./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/cstrncat_unsafe.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 32f26835 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/cstrncat_unsafe.c -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 25bb35238109f4fc42bc09877cec45401fedd3ae ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/cstrncat_unsafe.c -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 25bb35238109f4fc42bc09877cec45401fedd3ae ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 22:20:29,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:20:29,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:20:29,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:20:29,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:20:29,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:20:29,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:20:29,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:20:29,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:20:29,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:20:29,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:20:29,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:20:29,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:20:29,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:20:29,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:20:29,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:20:29,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:20:29,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:20:29,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:20:29,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:20:29,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:20:29,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:20:29,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:20:29,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:20:29,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:20:29,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:20:29,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:20:29,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:20:29,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:20:29,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:20:29,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:20:29,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:20:29,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:20:29,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:20:29,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:20:29,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:20:29,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:20:29,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:20:29,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:20:29,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:20:29,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:20:29,216 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:20:29,272 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:20:29,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:20:29,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:20:29,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:20:29,283 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:20:29,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:20:29,284 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:20:29,284 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:20:29,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:20:29,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:20:29,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:20:29,285 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:20:29,287 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:20:29,287 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:20:29,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:20:29,291 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:20:29,291 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:20:29,292 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:20:29,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:20:29,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:20:29,293 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:20:29,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:20:29,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:20:29,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:20:29,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:20:29,296 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:20:29,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:20:29,296 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 -> 25bb35238109f4fc42bc09877cec45401fedd3ae [2019-11-24 22:20:29,939 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:20:29,967 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:20:29,976 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:20:29,979 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:20:29,980 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:20:29,984 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrncat_unsafe.c [2019-11-24 22:20:30,146 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b1af3045/a6acec16349244b6881cffc1a260171a/FLAGb3a4cc201 [2019-11-24 22:20:31,201 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:20:31,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrncat_unsafe.c [2019-11-24 22:20:31,219 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b1af3045/a6acec16349244b6881cffc1a260171a/FLAGb3a4cc201 [2019-11-24 22:20:31,256 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b1af3045/a6acec16349244b6881cffc1a260171a [2019-11-24 22:20:31,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:20:31,269 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:20:31,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:31,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:20:31,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:20:31,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:31" (1/1) ... [2019-11-24 22:20:31,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe53f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:31, skipping insertion in model container [2019-11-24 22:20:31,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:31" (1/1) ... [2019-11-24 22:20:31,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:20:31,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:20:31,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:31,864 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:20:31,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:31,945 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:20:31,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:31 WrapperNode [2019-11-24 22:20:31,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:31,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:20:31,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:20:31,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:20:32,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:31" (1/1) ... [2019-11-24 22:20:32,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:31" (1/1) ... [2019-11-24 22:20:32,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:31" (1/1) ... [2019-11-24 22:20:32,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:31" (1/1) ... [2019-11-24 22:20:32,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:31" (1/1) ... [2019-11-24 22:20:32,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:31" (1/1) ... [2019-11-24 22:20:32,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:31" (1/1) ... [2019-11-24 22:20:32,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:20:32,156 INFO L168 Benchmark]: Toolchain (without parser) took 881.07 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 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:20:32,161 INFO L168 Benchmark]: CDTParser took 1.50 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. [2019-11-24 22:20:32,168 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.45 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 22:20:32,172 INFO L168 Benchmark]: Boogie Preprocessor took 196.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 22:20:32,184 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.50 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 675.45 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 196.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. 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 0.1.24-32f2683 [2019-11-24 22:20:36,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:20:36,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:20:36,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:20:36,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:20:36,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:20:36,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:20:36,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:20:36,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:20:36,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:20:36,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:20:36,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:20:36,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:20:36,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:20:36,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:20:36,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:20:36,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:20:36,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:20:36,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:20:36,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:20:36,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:20:36,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:20:36,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:20:36,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:20:36,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:20:36,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:20:36,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:20:36,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:20:36,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:20:36,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:20:36,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:20:36,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:20:36,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:20:36,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:20:36,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:20:36,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:20:36,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:20:36,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:20:36,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:20:36,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:20:36,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:20:36,261 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:20:36,314 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:20:36,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:20:36,321 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:20:36,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:20:36,325 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:20:36,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:20:36,328 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:20:36,328 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:20:36,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:20:36,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:20:36,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:20:36,329 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:20:36,331 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:20:36,333 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:20:36,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:20:36,333 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:20:36,336 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:20:36,336 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:20:36,336 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:20:36,337 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:20:36,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:20:36,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:20:36,338 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:20:36,338 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:20:36,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:20:36,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:20:36,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:20:36,342 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:20:36,343 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:20:36,343 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:20:36,344 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 -> 25bb35238109f4fc42bc09877cec45401fedd3ae [2019-11-24 22:20:36,934 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:20:36,979 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:20:36,982 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:20:36,990 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:20:36,990 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:20:36,993 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrncat_unsafe.c [2019-11-24 22:20:37,155 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/786ca7146/fbc970133cae416fa5b2b997e2dab818/FLAG15ac15f16 [2019-11-24 22:20:38,199 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:20:38,200 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrncat_unsafe.c [2019-11-24 22:20:38,219 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/786ca7146/fbc970133cae416fa5b2b997e2dab818/FLAG15ac15f16 [2019-11-24 22:20:38,256 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/786ca7146/fbc970133cae416fa5b2b997e2dab818 [2019-11-24 22:20:38,264 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:20:38,267 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:20:38,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:38,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:20:38,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:20:38,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:38" (1/1) ... [2019-11-24 22:20:38,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2649282b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:38, skipping insertion in model container [2019-11-24 22:20:38,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:38" (1/1) ... [2019-11-24 22:20:38,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:20:38,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:20:38,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:38,826 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:20:38,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:38,903 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:20:38,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:38 WrapperNode [2019-11-24 22:20:38,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:38,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:20:38,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:20:38,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:20:39,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:38" (1/1) ... [2019-11-24 22:20:39,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:38" (1/1) ... [2019-11-24 22:20:39,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:38" (1/1) ... [2019-11-24 22:20:39,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:38" (1/1) ... [2019-11-24 22:20:39,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:38" (1/1) ... [2019-11-24 22:20:39,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:38" (1/1) ... [2019-11-24 22:20:39,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:38" (1/1) ... [2019-11-24 22:20:39,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:20:39,141 INFO L168 Benchmark]: Toolchain (without parser) took 866.06 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 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:20:39,142 INFO L168 Benchmark]: CDTParser took 1.57 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. [2019-11-24 22:20:39,145 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.11 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 22:20:39,148 INFO L168 Benchmark]: Boogie Preprocessor took 224.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 22:20:39,160 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.57 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 633.11 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 224.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...