./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/MutualRecursion_1b.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-crafted/MutualRecursion_1b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 64bit --witnessprinter.graph.data.programhash 9072a9376e1e28de1ef4dc11b7134f6f175023b7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/termination-crafted/MutualRecursion_1b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 64bit --witnessprinter.graph.data.programhash 9072a9376e1e28de1ef4dc11b7134f6f175023b7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:24:12,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:24:12,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:24:12,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:24:12,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:24:12,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:24:12,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:24:12,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:24:12,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:24:12,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:24:12,825 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:24:12,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:24:12,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:24:12,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:24:12,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:24:12,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:24:12,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:24:12,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:24:12,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:24:12,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:24:12,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:24:12,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:24:12,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:24:12,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:24:12,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:24:12,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:24:12,895 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:24:12,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:24:12,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:24:12,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:24:12,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:24:12,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:24:12,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:24:12,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:24:12,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:24:12,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:24:12,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:24:12,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:24:12,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:24:12,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:24:12,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:24:12,930 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-27 11:24:12,971 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:24:12,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:24:12,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:24:12,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:24:12,979 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:24:12,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:24:12,981 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:24:12,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:24:12,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:24:12,984 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:24:12,985 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:24:12,986 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:24:12,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:24:12,987 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:24:12,987 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:24:12,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:24:12,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:24:12,989 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:24:12,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:24:12,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:24:12,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:24:12,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:24:12,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:24:12,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:24:12,994 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9072a9376e1e28de1ef4dc11b7134f6f175023b7 [2019-11-27 11:24:13,681 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:24:13,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:24:13,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:24:13,722 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:24:13,722 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:24:13,723 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/MutualRecursion_1b.c [2019-11-27 11:24:13,879 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a76808501/6d9cd452315a4a57864e15dbbc5e838b/FLAGdf3bac31f [2019-11-27 11:24:14,952 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:24:14,956 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/MutualRecursion_1b.c [2019-11-27 11:24:14,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a76808501/6d9cd452315a4a57864e15dbbc5e838b/FLAGdf3bac31f [2019-11-27 11:24:15,202 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a76808501/6d9cd452315a4a57864e15dbbc5e838b [2019-11-27 11:24:15,208 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:24:15,211 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:24:15,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:15,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:24:15,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:24:15,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:15" (1/1) ... [2019-11-27 11:24:15,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18499849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:15, skipping insertion in model container [2019-11-27 11:24:15,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:15" (1/1) ... [2019-11-27 11:24:15,256 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:24:15,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:24:15,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:15,713 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:24:15,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:15,794 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:24:15,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:15 WrapperNode [2019-11-27 11:24:15,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:15,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:24:15,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:24:15,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:24:15,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:15" (1/1) ... [2019-11-27 11:24:15,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:15" (1/1) ... [2019-11-27 11:24:15,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:15" (1/1) ... [2019-11-27 11:24:15,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:15" (1/1) ... [2019-11-27 11:24:15,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:15" (1/1) ... [2019-11-27 11:24:15,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:15" (1/1) ... [2019-11-27 11:24:15,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:15" (1/1) ... [2019-11-27 11:24:15,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:24:15,959 INFO L168 Benchmark]: Toolchain (without parser) took 740.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.3 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:15,962 INFO L168 Benchmark]: CDTParser took 2.29 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:24:15,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 584.58 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:15,969 INFO L168 Benchmark]: Boogie Preprocessor took 150.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 991.3 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:15,984 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.29 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 584.58 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 150.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 991.3 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.1 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 11:24:19,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:24:19,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:24:19,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:24:19,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:24:19,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:24:19,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:24:19,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:24:19,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:24:19,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:24:19,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:24:19,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:24:19,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:24:19,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:24:19,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:24:19,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:24:19,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:24:19,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:24:19,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:24:19,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:24:19,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:24:19,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:24:19,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:24:19,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:24:19,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:24:19,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:24:19,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:24:19,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:24:19,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:24:19,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:24:19,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:24:19,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:24:19,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:24:19,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:24:19,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:24:19,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:24:19,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:24:19,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:24:19,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:24:19,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:24:19,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:24:19,897 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-27 11:24:19,937 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:24:19,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:24:19,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:24:19,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:24:19,943 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:24:19,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:24:19,946 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:24:19,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:24:19,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:24:19,947 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:24:19,948 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:24:19,951 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:24:19,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:24:19,952 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:24:19,952 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:24:19,953 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:24:19,953 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:24:19,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:24:19,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:24:19,957 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:24:19,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:24:19,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:24:19,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:24:19,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:24:19,959 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:24:19,961 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:24:19,961 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:24:19,961 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9072a9376e1e28de1ef4dc11b7134f6f175023b7 [2019-11-27 11:24:20,591 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:24:20,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:24:20,628 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:24:20,631 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:24:20,635 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:24:20,636 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/MutualRecursion_1b.c [2019-11-27 11:24:20,783 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f7d6c96d/2ebe343d2b9d433e8cf1a4fefbc710a8/FLAGd165b7493 [2019-11-27 11:24:21,813 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:24:21,814 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/MutualRecursion_1b.c [2019-11-27 11:24:21,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f7d6c96d/2ebe343d2b9d433e8cf1a4fefbc710a8/FLAGd165b7493 [2019-11-27 11:24:21,870 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f7d6c96d/2ebe343d2b9d433e8cf1a4fefbc710a8 [2019-11-27 11:24:21,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:24:21,882 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:24:21,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:21,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:24:21,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:24:21,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:21" (1/1) ... [2019-11-27 11:24:21,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d624a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:21, skipping insertion in model container [2019-11-27 11:24:21,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:21" (1/1) ... [2019-11-27 11:24:21,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:24:21,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:24:22,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:22,373 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:24:22,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:22,447 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:24:22,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22 WrapperNode [2019-11-27 11:24:22,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:22,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:24:22,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:24:22,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:24:22,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (1/1) ... [2019-11-27 11:24:22,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (1/1) ... [2019-11-27 11:24:22,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (1/1) ... [2019-11-27 11:24:22,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (1/1) ... [2019-11-27 11:24:22,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (1/1) ... [2019-11-27 11:24:22,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (1/1) ... [2019-11-27 11:24:22,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (1/1) ... [2019-11-27 11:24:22,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:24:22,629 INFO L168 Benchmark]: Toolchain (without parser) took 742.10 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 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:22,633 INFO L168 Benchmark]: CDTParser took 0.68 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 11:24:22,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 567.60 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 11:24:22,638 INFO L168 Benchmark]: Boogie Preprocessor took 167.53 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 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:22,645 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68 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 567.60 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 167.53 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 997.0 MB in the end (delta: -46.7 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...