./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.16.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c6eb4584 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/AutomizerReach.xml -i ../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.16.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dadda19c56de835988eee8d19bbc724946613e79 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 22:21:41,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:21:41,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:21:41,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:21:41,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:21:41,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:21:41,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:21:41,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:21:41,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:21:41,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:21:41,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:21:41,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:21:41,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:21:41,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:21:41,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:21:41,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:21:41,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:21:41,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:21:41,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:21:41,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:21:41,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:21:42,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:21:42,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:21:42,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:21:42,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:21:42,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:21:42,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:21:42,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:21:42,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:21:42,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:21:42,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:21:42,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:21:42,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:21:42,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:21:42,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:21:42,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:21:42,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:21:42,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:21:42,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:21:42,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:21:42,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:21:42,046 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-11-16 22:21:42,117 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:21:42,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:21:42,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:21:42,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:21:42,128 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:21:42,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:21:42,130 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 22:21:42,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:21:42,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:21:42,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 22:21:42,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 22:21:42,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 22:21:42,137 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-16 22:21:42,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 22:21:42,138 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:21:42,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 22:21:42,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:21:42,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:21:42,144 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 22:21:42,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 22:21:42,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 22:21:42,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:21:42,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 22:21:42,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 22:21:42,150 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:21:42,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 22:21:42,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 22:21:42,151 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 ! overflow) ) 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 -> dadda19c56de835988eee8d19bbc724946613e79 [2019-11-16 22:21:42,720 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:21:42,749 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:21:42,760 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:21:42,763 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:21:42,768 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:21:42,769 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.16.c [2019-11-16 22:21:42,942 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e126df6d3/a127dbe065ee414b8ff262fab20d3e0f/FLAG0858cecc7 [2019-11-16 22:21:44,000 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:21:44,002 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.16.c [2019-11-16 22:21:44,022 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e126df6d3/a127dbe065ee414b8ff262fab20d3e0f/FLAG0858cecc7 [2019-11-16 22:21:44,061 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e126df6d3/a127dbe065ee414b8ff262fab20d3e0f [2019-11-16 22:21:44,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:21:44,077 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 22:21:44,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:21:44,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:21:44,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:21:44,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:21:44" (1/1) ... [2019-11-16 22:21:44,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4908a917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:21:44, skipping insertion in model container [2019-11-16 22:21:44,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:21:44" (1/1) ... [2019-11-16 22:21:44,136 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:21:44,175 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:21:44,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:21:44,535 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 22:21:44,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:21:44,568 INFO L192 MainTranslator]: Completed translation [2019-11-16 22:21:44,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:21:44 WrapperNode [2019-11-16 22:21:44,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:21:44,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 22:21:44,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 22:21:44,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 22:21:44,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:21:44" (1/1) ... [2019-11-16 22:21:44,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:21:44" (1/1) ... [2019-11-16 22:21:44,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 22:21:44,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 22:21:44,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 22:21:44,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 22:21:44,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:21:44" (1/1) ... [2019-11-16 22:21:44,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:21:44" (1/1) ... [2019-11-16 22:21:44,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:21:44" (1/1) ... [2019-11-16 22:21:44,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:21:44" (1/1) ... [2019-11-16 22:21:44,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:21:44" (1/1) ... [2019-11-16 22:21:44,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:21:44" (1/1) ... [2019-11-16 22:21:44,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:21:44" (1/1) ... [2019-11-16 22:21:44,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 22:21:44,775 INFO L168 Benchmark]: Toolchain (without parser) took 681.92 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 996.9 MB in the end (delta: -35.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:21:44,777 INFO L168 Benchmark]: CDTParser took 1.64 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. [2019-11-16 22:21:44,781 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.12 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. [2019-11-16 22:21:44,785 INFO L168 Benchmark]: Boogie Procedure Inliner took 147.25 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-16 22:21:44,786 INFO L168 Benchmark]: Boogie Preprocessor took 35.58 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:21:44,801 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.64 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 484.12 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 Procedure Inliner took 147.25 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 35.58 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...