./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/Ackermann-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 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/Ackermann-2.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 5ecb2c96c3072d53870105e0fcaf3f74cb197e51 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Ackermann-2.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 5ecb2c96c3072d53870105e0fcaf3f74cb197e51 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:46:25,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:46:25,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:46:25,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:46:25,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:46:25,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:46:25,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:46:25,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:46:25,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:46:25,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:46:25,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:46:25,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:46:25,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:46:25,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:46:25,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:46:25,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:46:25,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:46:25,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:46:26,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:46:26,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:46:26,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:46:26,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:46:26,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:46:26,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:46:26,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:46:26,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:46:26,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:46:26,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:46:26,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:46:26,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:46:26,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:46:26,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:46:26,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:46:26,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:46:26,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:46:26,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:46:26,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:46:26,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:46:26,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:46:26,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:46:26,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:46:26,081 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-27 17:46:26,121 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:46:26,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:46:26,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:46:26,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:46:26,131 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:46:26,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:46:26,131 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:46:26,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:46:26,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:46:26,132 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:46:26,134 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:46:26,137 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:46:26,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:46:26,138 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:46:26,138 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:46:26,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:46:26,139 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:46:26,139 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:46:26,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:46:26,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:46:26,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:46:26,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:46:26,143 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:46:26,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:46:26,144 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 -> 5ecb2c96c3072d53870105e0fcaf3f74cb197e51 [2019-11-27 17:46:26,808 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:46:26,840 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:46:26,847 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:46:26,851 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:46:26,856 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:46:26,857 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Ackermann-2.c [2019-11-27 17:46:27,009 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f2c6868f/04dc607bc3fe43d6b997026e7dfd1c7b/FLAG4dbb1b490 [2019-11-27 17:46:27,972 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:46:27,973 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Ackermann-2.c [2019-11-27 17:46:27,991 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f2c6868f/04dc607bc3fe43d6b997026e7dfd1c7b/FLAG4dbb1b490 [2019-11-27 17:46:28,184 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f2c6868f/04dc607bc3fe43d6b997026e7dfd1c7b [2019-11-27 17:46:28,192 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:46:28,196 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:46:28,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:28,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:46:28,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:46:28,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:28" (1/1) ... [2019-11-27 17:46:28,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@549c264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:28, skipping insertion in model container [2019-11-27 17:46:28,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:28" (1/1) ... [2019-11-27 17:46:28,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:46:28,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:46:28,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:28,666 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:46:28,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:28,715 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:46:28,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:28 WrapperNode [2019-11-27 17:46:28,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:28,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:46:28,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:46:28,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:46:28,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:28" (1/1) ... [2019-11-27 17:46:28,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:28" (1/1) ... [2019-11-27 17:46:28,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:28" (1/1) ... [2019-11-27 17:46:28,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:28" (1/1) ... [2019-11-27 17:46:28,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:28" (1/1) ... [2019-11-27 17:46:28,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:28" (1/1) ... [2019-11-27 17:46:28,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:28" (1/1) ... [2019-11-27 17:46:28,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:46:28,879 INFO L168 Benchmark]: Toolchain (without parser) took 683.70 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.3 MB in the end (delta: -23.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:28,881 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. [2019-11-27 17:46:28,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 515.12 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 17:46:28,895 INFO L168 Benchmark]: Boogie Preprocessor took 158.54 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 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:28,904 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 515.12 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 158.54 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 9.2 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 0.1.24-509859d [2019-11-27 17:46:32,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:46:32,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:46:32,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:46:32,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:46:32,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:46:32,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:46:32,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:46:32,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:46:32,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:46:32,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:46:32,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:46:32,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:46:32,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:46:32,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:46:32,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:46:32,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:46:32,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:46:32,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:46:32,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:46:32,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:46:32,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:46:32,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:46:32,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:46:32,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:46:32,998 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:46:32,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:46:33,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:46:33,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:46:33,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:46:33,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:46:33,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:46:33,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:46:33,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:46:33,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:46:33,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:46:33,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:46:33,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:46:33,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:46:33,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:46:33,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:46:33,030 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-27 17:46:33,072 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:46:33,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:46:33,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:46:33,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:46:33,078 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:46:33,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:46:33,079 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:46:33,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:46:33,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:46:33,081 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:46:33,082 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:46:33,083 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:46:33,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:46:33,086 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:46:33,086 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:46:33,087 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:46:33,087 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:46:33,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:46:33,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:46:33,088 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:46:33,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:46:33,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:46:33,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:46:33,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:46:33,091 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:46:33,091 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:46:33,091 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:46:33,091 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 -> 5ecb2c96c3072d53870105e0fcaf3f74cb197e51 [2019-11-27 17:46:33,671 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:46:33,701 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:46:33,707 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:46:33,713 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:46:33,714 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:46:33,717 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Ackermann-2.c [2019-11-27 17:46:33,885 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31e09b038/327a393e6d7a40419d6c4f374805b61b/FLAGd6d8b5894 [2019-11-27 17:46:34,905 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:46:34,906 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Ackermann-2.c [2019-11-27 17:46:34,924 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31e09b038/327a393e6d7a40419d6c4f374805b61b/FLAGd6d8b5894 [2019-11-27 17:46:34,962 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31e09b038/327a393e6d7a40419d6c4f374805b61b [2019-11-27 17:46:34,971 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:46:34,977 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:46:34,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:34,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:46:34,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:46:34,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:34" (1/1) ... [2019-11-27 17:46:35,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c002b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:34, skipping insertion in model container [2019-11-27 17:46:35,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:34" (1/1) ... [2019-11-27 17:46:35,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:46:35,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:46:35,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:35,508 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:46:35,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:35,557 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:46:35,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:35 WrapperNode [2019-11-27 17:46:35,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:35,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:46:35,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:46:35,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:46:35,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:35" (1/1) ... [2019-11-27 17:46:35,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:35" (1/1) ... [2019-11-27 17:46:35,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:35" (1/1) ... [2019-11-27 17:46:35,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:35" (1/1) ... [2019-11-27 17:46:35,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:35" (1/1) ... [2019-11-27 17:46:35,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:35" (1/1) ... [2019-11-27 17:46:35,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:35" (1/1) ... [2019-11-27 17:46:35,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:46:35,731 INFO L168 Benchmark]: Toolchain (without parser) took 750.90 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 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:35,733 INFO L168 Benchmark]: CDTParser took 0.75 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 17:46:35,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.15 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 17:46:35,740 INFO L168 Benchmark]: Boogie Preprocessor took 163.17 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 17:46:35,750 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75 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 576.15 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 163.17 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...