./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/RecursiveNonterminating-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 025d5a27 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/RecursiveNonterminating-1.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 f21f1881350863de740f7b7321104b53617dd8ce ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/RecursiveNonterminating-1.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 f21f1881350863de740f7b7321104b53617dd8ce ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:59:11,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:59:11,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:59:11,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:59:11,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:59:11,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:59:11,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:59:11,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:59:11,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:59:11,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:59:11,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:59:11,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:59:11,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:59:11,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:59:11,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:59:11,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:59:11,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:59:11,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:59:11,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:59:11,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:59:11,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:59:11,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:59:11,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:59:11,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:59:11,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:59:11,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:59:11,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:59:11,165 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:59:11,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:59:11,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:59:11,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:59:11,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:59:11,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:59:11,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:59:11,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:59:11,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:59:11,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:59:11,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:59:11,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:59:11,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:59:11,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:59:11,192 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-26 17:59:11,235 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:59:11,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:59:11,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:59:11,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:59:11,244 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:59:11,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:59:11,247 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:59:11,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:59:11,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:59:11,248 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:59:11,249 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:59:11,250 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:59:11,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:59:11,251 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:59:11,253 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:59:11,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:59:11,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:59:11,254 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:59:11,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:59:11,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:59:11,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:59:11,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:59:11,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:59:11,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:59:11,261 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 -> f21f1881350863de740f7b7321104b53617dd8ce [2019-11-26 17:59:11,907 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:59:11,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:59:11,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:59:11,950 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:59:11,951 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:59:11,952 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/RecursiveNonterminating-1.c [2019-11-26 17:59:12,110 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f89ad6e46/e9738b3f2cc64c4a9ec1209001586a99/FLAGdcef5a8dc [2019-11-26 17:59:13,186 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:59:13,188 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/RecursiveNonterminating-1.c [2019-11-26 17:59:13,206 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f89ad6e46/e9738b3f2cc64c4a9ec1209001586a99/FLAGdcef5a8dc [2019-11-26 17:59:13,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f89ad6e46/e9738b3f2cc64c4a9ec1209001586a99 [2019-11-26 17:59:13,253 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:59:13,256 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:59:13,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:13,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:59:13,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:59:13,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:13" (1/1) ... [2019-11-26 17:59:13,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c60f834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:13, skipping insertion in model container [2019-11-26 17:59:13,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:13" (1/1) ... [2019-11-26 17:59:13,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:59:13,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:59:13,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:59:13,797 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:59:13,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:59:13,854 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:59:13,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:13 WrapperNode [2019-11-26 17:59:13,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:13,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:59:13,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:59:13,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:59:13,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:13" (1/1) ... [2019-11-26 17:59:13,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:13" (1/1) ... [2019-11-26 17:59:13,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:13" (1/1) ... [2019-11-26 17:59:13,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:13" (1/1) ... [2019-11-26 17:59:13,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:13" (1/1) ... [2019-11-26 17:59:13,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:13" (1/1) ... [2019-11-26 17:59:13,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:13" (1/1) ... [2019-11-26 17:59:13,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:59:14,001 INFO L168 Benchmark]: Toolchain (without parser) took 737.85 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 997.1 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:14,004 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:59:14,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.47 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. [2019-11-26 17:59:14,012 INFO L168 Benchmark]: Boogie Preprocessor took 132.70 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 997.1 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:14,022 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 594.47 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 132.70 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 997.1 MB in the end (delta: -41.1 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 0.1.24-025d5a2 [2019-11-26 17:59:17,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:59:17,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:59:17,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:59:17,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:59:17,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:59:17,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:59:17,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:59:17,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:59:17,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:59:17,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:59:17,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:59:17,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:59:17,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:59:17,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:59:17,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:59:17,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:59:17,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:59:17,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:59:17,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:59:17,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:59:18,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:59:18,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:59:18,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:59:18,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:59:18,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:59:18,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:59:18,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:59:18,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:59:18,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:59:18,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:59:18,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:59:18,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:59:18,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:59:18,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:59:18,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:59:18,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:59:18,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:59:18,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:59:18,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:59:18,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:59:18,049 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-26 17:59:18,090 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:59:18,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:59:18,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:59:18,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:59:18,098 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:59:18,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:59:18,101 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:59:18,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:59:18,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:59:18,102 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:59:18,104 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:59:18,106 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:59:18,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:59:18,107 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:59:18,107 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:59:18,107 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:59:18,108 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:59:18,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:59:18,111 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:59:18,111 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:59:18,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:59:18,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:59:18,112 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:59:18,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:59:18,113 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:59:18,113 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:59:18,116 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:59:18,116 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 -> f21f1881350863de740f7b7321104b53617dd8ce [2019-11-26 17:59:18,732 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:59:18,759 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:59:18,769 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:59:18,770 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:59:18,774 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:59:18,775 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/RecursiveNonterminating-1.c [2019-11-26 17:59:18,939 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6709ed74b/76cac90190fc477986aa2f836bafc40b/FLAG6c68cbdb6 [2019-11-26 17:59:19,996 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:59:19,997 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/RecursiveNonterminating-1.c [2019-11-26 17:59:20,013 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6709ed74b/76cac90190fc477986aa2f836bafc40b/FLAG6c68cbdb6 [2019-11-26 17:59:20,053 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6709ed74b/76cac90190fc477986aa2f836bafc40b [2019-11-26 17:59:20,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:59:20,067 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:59:20,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:20,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:59:20,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:59:20,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:20" (1/1) ... [2019-11-26 17:59:20,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c60f834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:20, skipping insertion in model container [2019-11-26 17:59:20,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:20" (1/1) ... [2019-11-26 17:59:20,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:59:20,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:59:20,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:59:20,616 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:59:20,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:59:20,667 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:59:20,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:20 WrapperNode [2019-11-26 17:59:20,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:20,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:59:20,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:59:20,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:59:20,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:20" (1/1) ... [2019-11-26 17:59:20,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:20" (1/1) ... [2019-11-26 17:59:20,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:20" (1/1) ... [2019-11-26 17:59:20,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:20" (1/1) ... [2019-11-26 17:59:20,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:20" (1/1) ... [2019-11-26 17:59:20,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:20" (1/1) ... [2019-11-26 17:59:20,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:20" (1/1) ... [2019-11-26 17:59:20,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:59:20,840 INFO L168 Benchmark]: Toolchain (without parser) took 764.52 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. [2019-11-26 17:59:20,842 INFO L168 Benchmark]: CDTParser took 0.64 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:59:20,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.31 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. [2019-11-26 17:59:20,849 INFO L168 Benchmark]: Boogie Preprocessor took 158.03 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: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:20,858 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 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 598.31 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 158.03 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: -46.8 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...