./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-numeric/MultCommutative-1.c --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 47b0bc17 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-numeric/MultCommutative-1.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 a7af5709195f6c1eec73f2559f8e654af4840835 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-47b0bc1 [2019-11-20 23:49:27,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 23:49:27,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 23:49:27,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 23:49:27,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 23:49:27,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 23:49:27,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 23:49:27,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 23:49:27,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 23:49:27,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 23:49:27,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 23:49:27,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 23:49:27,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 23:49:27,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 23:49:27,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 23:49:27,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 23:49:27,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 23:49:27,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 23:49:27,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 23:49:27,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 23:49:27,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 23:49:27,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 23:49:27,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 23:49:27,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 23:49:27,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 23:49:27,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 23:49:27,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 23:49:27,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 23:49:27,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 23:49:27,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 23:49:27,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 23:49:27,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 23:49:27,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 23:49:27,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 23:49:27,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 23:49:27,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 23:49:27,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 23:49:27,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 23:49:27,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 23:49:27,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 23:49:27,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 23:49:27,798 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-11-20 23:49:27,826 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 23:49:27,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 23:49:27,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 23:49:27,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 23:49:27,833 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 23:49:27,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 23:49:27,834 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 23:49:27,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 23:49:27,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 23:49:27,834 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 23:49:27,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 23:49:27,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 23:49:27,836 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 23:49:27,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 23:49:27,836 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 23:49:27,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 23:49:27,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 23:49:27,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 23:49:27,837 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 23:49:27,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 23:49:27,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 23:49:27,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 23:49:27,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 23:49:27,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 23:49:27,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 23:49:27,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 23:49:27,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 23:49:27,842 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 -> a7af5709195f6c1eec73f2559f8e654af4840835 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 23:49:28,292 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 23:49:28,306 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 23:49:28,312 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 23:49:28,317 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 23:49:28,317 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 23:49:28,318 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-numeric/MultCommutative-1.c [2019-11-20 23:49:28,422 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0362dbc9/9b95e4418c894f84b4343237fb138964/FLAGbf1f1e62c [2019-11-20 23:49:29,124 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 23:49:29,124 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-numeric/MultCommutative-1.c [2019-11-20 23:49:29,145 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0362dbc9/9b95e4418c894f84b4343237fb138964/FLAGbf1f1e62c [2019-11-20 23:49:29,442 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0362dbc9/9b95e4418c894f84b4343237fb138964 [2019-11-20 23:49:29,449 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 23:49:29,453 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-20 23:49:29,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 23:49:29,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 23:49:29,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 23:49:29,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:49:29" (1/1) ... [2019-11-20 23:49:29,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1078e4a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:29, skipping insertion in model container [2019-11-20 23:49:29,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:49:29" (1/1) ... [2019-11-20 23:49:29,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 23:49:29,523 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 23:49:29,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:49:29,852 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 23:49:29,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:49:29,911 INFO L205 MainTranslator]: Completed translation [2019-11-20 23:49:29,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:29 WrapperNode [2019-11-20 23:49:29,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 23:49:29,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 23:49:29,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 23:49:29,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 23:49:29,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:29" (1/1) ... [2019-11-20 23:49:29,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:29" (1/1) ... [2019-11-20 23:49:30,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 23:49:30,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 23:49:30,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 23:49:30,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 23:49:30,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:29" (1/1) ... [2019-11-20 23:49:30,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:29" (1/1) ... [2019-11-20 23:49:30,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:29" (1/1) ... [2019-11-20 23:49:30,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:29" (1/1) ... [2019-11-20 23:49:30,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:29" (1/1) ... [2019-11-20 23:49:30,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:29" (1/1) ... [2019-11-20 23:49:30,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:29" (1/1) ... [2019-11-20 23:49:30,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 23:49:30,099 INFO L168 Benchmark]: Toolchain (without parser) took 645.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 991.2 MB in the end (delta: -28.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 23:49:30,103 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. [2019-11-20 23:49:30,106 INFO L168 Benchmark]: CACSL2BoogieTranslator took 459.65 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.5 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-20 23:49:30,111 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.5 MB in the beginning and 997.0 MB in the end (delta: -45.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-20 23:49:30,115 INFO L168 Benchmark]: Boogie Preprocessor took 47.30 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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. [2019-11-20 23:49:30,129 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 459.65 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.5 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 128.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.5 MB in the beginning and 997.0 MB in the end (delta: -45.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 47.30 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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...