./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 da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety/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-da95e15 [2019-11-27 11:20:18,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:20:18,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:20:18,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:20:18,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:20:18,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:20:18,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:20:18,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:20:18,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:20:18,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:20:18,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:20:18,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:20:18,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:20:18,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:20:18,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:20:18,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:20:18,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:20:18,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:20:18,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:20:18,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:20:18,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:20:18,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:20:18,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:20:18,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:20:18,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:20:18,784 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:20:18,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:20:18,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:20:18,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:20:18,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:20:18,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:20:18,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:20:18,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:20:18,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:20:18,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:20:18,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:20:18,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:20:18,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:20:18,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:20:18,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:20:18,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:20:18,822 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:20:18,866 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:20:18,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:20:18,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:20:18,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:20:18,873 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:20:18,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:20:18,874 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:20:18,874 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:20:18,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:20:18,875 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:20:18,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:20:18,877 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:20:18,879 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:20:18,880 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:20:18,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:20:18,881 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:20:18,881 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:20:18,881 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:20:18,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:20:18,883 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:20:18,883 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:20:18,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:20:18,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:20:18,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:20:18,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:20:18,887 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:20:18,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:20:18,887 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 [2019-11-27 11:20:19,515 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:20:19,550 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:20:19,557 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:20:19,559 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:20:19,562 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:20:19,564 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrncat_unsafe.c [2019-11-27 11:20:19,734 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b24c872d4/e961a31b6cde425e8738d62cc226a06f/FLAG28158bb6e [2019-11-27 11:20:20,776 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:20:20,777 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrncat_unsafe.c [2019-11-27 11:20:20,793 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b24c872d4/e961a31b6cde425e8738d62cc226a06f/FLAG28158bb6e [2019-11-27 11:20:20,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b24c872d4/e961a31b6cde425e8738d62cc226a06f [2019-11-27 11:20:20,840 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:20:20,843 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:20:20,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:20,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:20:20,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:20:20,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:20" (1/1) ... [2019-11-27 11:20:20,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4437ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:20, skipping insertion in model container [2019-11-27 11:20:20,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:20" (1/1) ... [2019-11-27 11:20:20,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:20:20,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:20:21,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:21,373 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:20:21,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:21,420 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:20:21,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:21 WrapperNode [2019-11-27 11:20:21,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:21,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:20:21,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:20:21,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:20:21,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:21" (1/1) ... [2019-11-27 11:20:21,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:21" (1/1) ... [2019-11-27 11:20:21,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:21" (1/1) ... [2019-11-27 11:20:21,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:21" (1/1) ... [2019-11-27 11:20:21,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:21" (1/1) ... [2019-11-27 11:20:21,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:21" (1/1) ... [2019-11-27 11:20:21,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:21" (1/1) ... [2019-11-27 11:20:21,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:20:21,631 INFO L168 Benchmark]: Toolchain (without parser) took 777.44 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. [2019-11-27 11:20:21,634 INFO L168 Benchmark]: CDTParser took 2.78 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:21,641 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.87 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. [2019-11-27 11:20:21,645 INFO L168 Benchmark]: Boogie Preprocessor took 193.35 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. [2019-11-27 11:20:21,656 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.78 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 573.87 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 193.35 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-da95e15 [2019-11-27 11:20:25,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:20:25,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:20:25,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:20:25,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:20:25,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:20:25,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:20:25,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:20:25,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:20:25,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:20:25,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:20:25,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:20:25,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:20:25,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:20:25,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:20:25,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:20:25,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:20:25,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:20:25,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:20:25,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:20:25,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:20:25,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:20:25,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:20:25,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:20:25,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:20:25,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:20:25,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:20:25,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:20:25,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:20:25,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:20:25,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:20:25,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:20:25,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:20:25,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:20:25,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:20:25,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:20:25,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:20:25,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:20:25,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:20:25,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:20:25,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:20:25,706 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:20:25,748 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:20:25,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:20:25,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:20:25,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:20:25,756 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:20:25,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:20:25,757 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:20:25,757 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:20:25,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:20:25,759 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:20:25,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:20:25,761 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:20:25,764 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:20:25,765 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:20:25,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:20:25,765 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:20:25,765 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:20:25,766 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:20:25,766 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:20:25,766 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:20:25,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:20:25,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:20:25,769 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:20:25,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:20:25,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:20:25,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:20:25,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:20:25,771 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:20:25,771 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:20:25,772 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:20:25,775 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 [2019-11-27 11:20:26,341 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:20:26,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:20:26,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:20:26,380 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:20:26,383 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:20:26,387 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrncat_unsafe.c [2019-11-27 11:20:26,545 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98778ebdf/d1f0e10074044a0184f3efc773bd8638/FLAGf23c732e2 [2019-11-27 11:20:27,526 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:20:27,527 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrncat_unsafe.c [2019-11-27 11:20:27,544 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98778ebdf/d1f0e10074044a0184f3efc773bd8638/FLAGf23c732e2 [2019-11-27 11:20:27,695 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98778ebdf/d1f0e10074044a0184f3efc773bd8638 [2019-11-27 11:20:27,705 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:20:27,714 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:20:27,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:27,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:20:27,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:20:27,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:27" (1/1) ... [2019-11-27 11:20:27,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@456125ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:27, skipping insertion in model container [2019-11-27 11:20:27,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:27" (1/1) ... [2019-11-27 11:20:27,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:20:27,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:20:28,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:28,271 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:20:28,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:28,355 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:20:28,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:28 WrapperNode [2019-11-27 11:20:28,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:28,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:20:28,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:20:28,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:20:28,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:28" (1/1) ... [2019-11-27 11:20:28,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:28" (1/1) ... [2019-11-27 11:20:28,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:28" (1/1) ... [2019-11-27 11:20:28,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:28" (1/1) ... [2019-11-27 11:20:28,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:28" (1/1) ... [2019-11-27 11:20:28,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:28" (1/1) ... [2019-11-27 11:20:28,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:28" (1/1) ... [2019-11-27 11:20:28,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:20:28,559 INFO L168 Benchmark]: Toolchain (without parser) took 842.07 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 991.1 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:20:28,561 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:28,564 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.48 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. [2019-11-27 11:20:28,568 INFO L168 Benchmark]: Boogie Preprocessor took 191.72 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 991.1 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 11:20:28,578 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 639.48 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 191.72 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 991.1 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...