./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 65d6cd23 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/McCarthy91_Iteration.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 f36e762e796a59800b85d8514c20c7f73c19b5c1 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/McCarthy91_Iteration.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 f36e762e796a59800b85d8514c20c7f73c19b5c1 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:28:47,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:47,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:47,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:47,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:47,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:47,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:47,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:47,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:47,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:47,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:47,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:47,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:47,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:47,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:47,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:47,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:47,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:47,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:47,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:47,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:47,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:47,992 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:47,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:48,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:48,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:48,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:48,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:48,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:48,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:48,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:48,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:48,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:48,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:48,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:48,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:48,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:48,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:48,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:48,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:48,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:48,034 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-26 00:28:48,074 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:48,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:48,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:48,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:48,082 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:48,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:48,083 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:48,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:48,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:48,085 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:48,086 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:48,087 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:48,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:48,088 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:48,089 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:48,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:48,090 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:48,093 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:48,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:48,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:48,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:48,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:48,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:28:48,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:28:48,095 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 -> f36e762e796a59800b85d8514c20c7f73c19b5c1 [2019-11-26 00:28:48,650 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:48,683 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:48,692 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:48,697 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:48,698 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:48,702 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2019-11-26 00:28:48,865 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84097c806/9892884364dc4b57a4d284cc96115494/FLAG8fa6d24ba [2019-11-26 00:28:49,849 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:49,850 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2019-11-26 00:28:49,869 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84097c806/9892884364dc4b57a4d284cc96115494/FLAG8fa6d24ba [2019-11-26 00:28:50,045 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84097c806/9892884364dc4b57a4d284cc96115494 [2019-11-26 00:28:50,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:50,063 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:50,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:50,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:50,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:50,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:50" (1/1) ... [2019-11-26 00:28:50,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@726eb83f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:50, skipping insertion in model container [2019-11-26 00:28:50,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:50" (1/1) ... [2019-11-26 00:28:50,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:50,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:50,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:50,541 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:50,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:50,593 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:50,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:50 WrapperNode [2019-11-26 00:28:50,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:50,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:50,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:50,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:50,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:50" (1/1) ... [2019-11-26 00:28:50,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:50" (1/1) ... [2019-11-26 00:28:50,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:50" (1/1) ... [2019-11-26 00:28:50,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:50" (1/1) ... [2019-11-26 00:28:50,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:50" (1/1) ... [2019-11-26 00:28:50,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:50" (1/1) ... [2019-11-26 00:28:50,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:50" (1/1) ... [2019-11-26 00:28:50,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:50,767 INFO L168 Benchmark]: Toolchain (without parser) took 699.90 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 995.6 MB in the end (delta: -33.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:50,769 INFO L168 Benchmark]: CDTParser took 0.56 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 00:28:50,781 INFO L168 Benchmark]: CACSL2BoogieTranslator took 527.77 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 00:28:50,783 INFO L168 Benchmark]: Boogie Preprocessor took 156.23 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 1.0 GB in the end (delta: -51.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:50,790 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 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 527.77 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 156.23 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 1.0 GB in the end (delta: -51.1 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 0.1.24-65d6cd2 [2019-11-26 00:28:54,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:54,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:54,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:54,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:54,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:54,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:54,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:54,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:54,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:54,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:54,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:54,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:54,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:54,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:54,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:54,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:54,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:54,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:54,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:54,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:54,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:54,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:54,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:54,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:54,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:54,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:54,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:54,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:54,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:54,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:54,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:54,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:54,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:54,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:54,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:54,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:54,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:54,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:54,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:54,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:54,838 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-26 00:28:54,877 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:54,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:54,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:54,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:54,885 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:54,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:54,885 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:54,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:54,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:54,887 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:54,888 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:54,890 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:54,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:54,891 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:54,891 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:28:54,893 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:28:54,893 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:54,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:54,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:54,894 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:54,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:54,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:54,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:54,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:54,897 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:28:54,899 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:28:54,899 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:28:54,899 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 -> f36e762e796a59800b85d8514c20c7f73c19b5c1 [2019-11-26 00:28:55,484 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:55,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:55,522 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:55,525 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:55,529 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:55,530 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2019-11-26 00:28:55,690 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7945aa8c/e1a312f634bf4dd282912aebd7284c5f/FLAG902c9b55c [2019-11-26 00:28:56,783 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:56,785 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2019-11-26 00:28:56,800 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7945aa8c/e1a312f634bf4dd282912aebd7284c5f/FLAG902c9b55c [2019-11-26 00:28:56,840 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7945aa8c/e1a312f634bf4dd282912aebd7284c5f [2019-11-26 00:28:56,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:56,855 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:56,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:56,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:56,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:56,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:56" (1/1) ... [2019-11-26 00:28:56,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@131603f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:56, skipping insertion in model container [2019-11-26 00:28:56,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:56" (1/1) ... [2019-11-26 00:28:56,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:56,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:57,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:57,375 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:57,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:57,446 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:57,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:57 WrapperNode [2019-11-26 00:28:57,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:57,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:57,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:57,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:57,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:57" (1/1) ... [2019-11-26 00:28:57,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:57" (1/1) ... [2019-11-26 00:28:57,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:57" (1/1) ... [2019-11-26 00:28:57,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:57" (1/1) ... [2019-11-26 00:28:57,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:57" (1/1) ... [2019-11-26 00:28:57,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:57" (1/1) ... [2019-11-26 00:28:57,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:57" (1/1) ... [2019-11-26 00:28:57,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:57,625 INFO L168 Benchmark]: Toolchain (without parser) took 767.22 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 00:28:57,626 INFO L168 Benchmark]: CDTParser took 0.70 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 00:28:57,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.47 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 00:28:57,630 INFO L168 Benchmark]: Boogie Preprocessor took 165.91 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 00:28:57,640 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 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 589.47 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 165.91 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...