./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cstrncat-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_cstrncat-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 bea41ba7ef8afa8e6ccd1150cee95a00bf0377da ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_cstrncat-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 bea41ba7ef8afa8e6ccd1150cee95a00bf0377da ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:25:11,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:25:11,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:25:11,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:25:12,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:25:12,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:25:12,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:25:12,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:25:12,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:25:12,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:25:12,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:25:12,043 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:25:12,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:25:12,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:25:12,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:25:12,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:25:12,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:25:12,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:25:12,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:25:12,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:25:12,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:25:12,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:25:12,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:25:12,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:25:12,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:25:12,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:25:12,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:25:12,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:25:12,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:25:12,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:25:12,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:25:12,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:25:12,111 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:25:12,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:25:12,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:25:12,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:25:12,120 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:25:12,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:25:12,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:25:12,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:25:12,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:25:12,129 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:25:12,183 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:25:12,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:25:12,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:25:12,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:25:12,191 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:25:12,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:25:12,194 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:25:12,195 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:25:12,196 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:25:12,196 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:25:12,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:25:12,198 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:25:12,198 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:25:12,198 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:25:12,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:25:12,201 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:25:12,202 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:25:12,202 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:25:12,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:25:12,203 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:25:12,203 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:25:12,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:25:12,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:25:12,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:25:12,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:25:12,206 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:25:12,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:25:12,208 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 -> bea41ba7ef8afa8e6ccd1150cee95a00bf0377da [2019-11-26 00:25:12,813 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:25:12,845 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:25:12,855 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:25:12,857 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:25:12,861 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:25:12,862 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrncat-alloca-2.i [2019-11-26 00:25:13,022 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c56afb3b/414baa1dfa0e4c609cafbbc77383748a/FLAG0152c3a75 [2019-11-26 00:25:14,268 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:25:14,269 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrncat-alloca-2.i [2019-11-26 00:25:14,307 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c56afb3b/414baa1dfa0e4c609cafbbc77383748a/FLAG0152c3a75 [2019-11-26 00:25:14,343 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c56afb3b/414baa1dfa0e4c609cafbbc77383748a [2019-11-26 00:25:14,351 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:25:14,359 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:25:14,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:14,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:25:14,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:25:14,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:14" (1/1) ... [2019-11-26 00:25:14,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@281e5afc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:14, skipping insertion in model container [2019-11-26 00:25:14,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:14" (1/1) ... [2019-11-26 00:25:14,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:25:14,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:25:15,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:15,480 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:25:15,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:15,740 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:25:15,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:15 WrapperNode [2019-11-26 00:25:15,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:15,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:25:15,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:25:15,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:25:15,768 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 00:25:15,769 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 00:25:15,833 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 00:25:15,836 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 00:25:15,890 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 00:25:15,902 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 00:25:15,914 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 00:25:15,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:25:15,955 INFO L168 Benchmark]: Toolchain (without parser) took 1577.15 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 00:25:15,956 INFO L168 Benchmark]: CDTParser took 1.58 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 00:25:15,958 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1379.86 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. [2019-11-26 00:25:15,964 INFO L168 Benchmark]: Boogie Preprocessor took 186.75 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 00:25:15,972 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.58 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 1379.86 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 186.75 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 00:25:20,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:25:20,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:25:20,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:25:20,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:25:20,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:25:20,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:25:20,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:25:20,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:25:20,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:25:20,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:25:20,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:25:20,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:25:20,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:25:20,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:25:20,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:25:20,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:25:20,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:25:20,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:25:20,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:25:20,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:25:20,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:25:20,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:25:20,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:25:20,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:25:20,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:25:20,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:25:20,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:25:20,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:25:20,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:25:20,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:25:20,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:25:20,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:25:20,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:25:20,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:25:20,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:25:20,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:25:20,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:25:20,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:25:20,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:25:20,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:25:20,189 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:25:20,236 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:25:20,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:25:20,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:25:20,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:25:20,241 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:25:20,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:25:20,242 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:25:20,244 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:25:20,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:25:20,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:25:20,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:25:20,246 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:25:20,246 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:25:20,249 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:25:20,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:25:20,250 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:25:20,250 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:25:20,251 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:25:20,251 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:25:20,251 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:25:20,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:25:20,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:25:20,254 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:25:20,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:25:20,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:25:20,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:25:20,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:25:20,256 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:25:20,256 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:25:20,257 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:25:20,261 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 -> bea41ba7ef8afa8e6ccd1150cee95a00bf0377da [2019-11-26 00:25:20,802 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:25:20,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:25:20,842 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:25:20,844 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:25:20,848 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:25:20,850 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrncat-alloca-2.i [2019-11-26 00:25:21,011 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46a6a15c4/09a98a06ad90416f8aa7db136c3e2b7b/FLAGa5d29b691 [2019-11-26 00:25:22,201 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:25:22,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrncat-alloca-2.i [2019-11-26 00:25:22,238 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46a6a15c4/09a98a06ad90416f8aa7db136c3e2b7b/FLAGa5d29b691 [2019-11-26 00:25:22,694 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46a6a15c4/09a98a06ad90416f8aa7db136c3e2b7b [2019-11-26 00:25:22,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:25:22,707 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:25:22,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:22,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:25:22,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:25:22,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:22" (1/1) ... [2019-11-26 00:25:22,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fb8afde 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 00:25:22,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:22" (1/1) ... [2019-11-26 00:25:22,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:25:22,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:25:23,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:23,819 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:25:23,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:24,101 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:25:24,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:24 WrapperNode [2019-11-26 00:25:24,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:24,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:25:24,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:25:24,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:25:24,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:24" (1/1) ... [2019-11-26 00:25:24,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:24" (1/1) ... [2019-11-26 00:25:24,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:24" (1/1) ... [2019-11-26 00:25:24,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:24" (1/1) ... [2019-11-26 00:25:24,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:24" (1/1) ... [2019-11-26 00:25:24,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:24" (1/1) ... [2019-11-26 00:25:24,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:24" (1/1) ... [2019-11-26 00:25:24,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:25:24,311 INFO L168 Benchmark]: Toolchain (without parser) took 1602.79 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 979.6 MB in the end (delta: -18.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:25:24,312 INFO L168 Benchmark]: CDTParser took 2.53 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 00:25:24,316 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1384.04 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 979.6 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 00:25:24,322 INFO L168 Benchmark]: Boogie Preprocessor took 201.49 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:25:24,325 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.53 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 1384.04 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 979.6 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 201.49 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 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...