./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.17.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 32f26835 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-Ex2.17.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 fa8b000db85f6baa9a8166cfa49c36a95b11ebe6 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 22:26:19,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:26:19,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:26:19,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:26:19,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:26:19,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:26:19,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:26:19,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:26:19,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:26:19,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:26:19,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:26:19,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:26:19,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:26:19,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:26:19,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:26:19,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:26:19,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:26:19,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:26:19,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:26:19,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:26:19,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:26:19,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:26:19,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:26:19,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:26:19,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:26:19,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:26:19,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:26:19,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:26:19,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:26:19,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:26:19,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:26:19,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:26:19,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:26:19,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:26:19,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:26:19,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:26:19,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:26:19,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:26:19,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:26:19,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:26:19,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:26:19,789 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-11-24 22:26:19,832 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:26:19,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:26:19,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:26:19,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:26:19,838 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:26:19,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:26:19,841 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:26:19,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:26:19,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:26:19,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 22:26:19,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:26:19,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 22:26:19,846 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-24 22:26:19,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 22:26:19,847 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:26:19,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 22:26:19,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:26:19,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:26:19,849 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:26:19,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:26:19,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:26:19,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:26:19,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:26:19,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 22:26:19,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:26:19,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:26:19,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 22:26:19,854 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 -> fa8b000db85f6baa9a8166cfa49c36a95b11ebe6 [2019-11-24 22:26:20,449 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:26:20,480 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:26:20,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:26:20,492 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:26:20,495 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:26:20,496 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.17.c [2019-11-24 22:26:20,673 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d41b9cf49/495fd6faccb24832a5dd6a5aa2144051/FLAGe88ab07c5 [2019-11-24 22:26:21,753 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:26:21,757 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.17.c [2019-11-24 22:26:21,771 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d41b9cf49/495fd6faccb24832a5dd6a5aa2144051/FLAGe88ab07c5 [2019-11-24 22:26:21,812 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d41b9cf49/495fd6faccb24832a5dd6a5aa2144051 [2019-11-24 22:26:21,820 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:26:21,824 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 22:26:21,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:26:21,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:26:21,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:26:21,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:26:21" (1/1) ... [2019-11-24 22:26:21,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4437ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:26:21, skipping insertion in model container [2019-11-24 22:26:21,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:26:21" (1/1) ... [2019-11-24 22:26:21,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:26:21,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:26:22,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:26:22,396 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:26:22,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:26:22,471 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:26:22,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:26:22 WrapperNode [2019-11-24 22:26:22,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:26:22,476 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 22:26:22,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 22:26:22,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 22:26:22,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:26:22" (1/1) ... [2019-11-24 22:26:22,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:26:22" (1/1) ... [2019-11-24 22:26:22,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 22:26:22,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:26:22,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:26:22,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:26:22,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:26:22" (1/1) ... [2019-11-24 22:26:22,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:26:22" (1/1) ... [2019-11-24 22:26:22,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:26:22" (1/1) ... [2019-11-24 22:26:22,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:26:22" (1/1) ... [2019-11-24 22:26:22,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:26:22" (1/1) ... [2019-11-24 22:26:22,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:26:22" (1/1) ... [2019-11-24 22:26:22,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:26:22" (1/1) ... [2019-11-24 22:26:22,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:26:22,726 INFO L168 Benchmark]: Toolchain (without parser) took 894.33 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:26:22,728 INFO L168 Benchmark]: CDTParser took 0.62 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. [2019-11-24 22:26:22,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.33 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. [2019-11-24 22:26:22,747 INFO L168 Benchmark]: Boogie Procedure Inliner took 190.95 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 9.3 MB. Max. memory is 12.5 GB. [2019-11-24 22:26:22,750 INFO L168 Benchmark]: Boogie Preprocessor took 48.35 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:26:22,763 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 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 645.33 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 190.95 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 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 48.35 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...