./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/Ben-Amram-LMCS2010-Ex2.3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-crafted-lit/Ben-Amram-LMCS2010-Ex2.3.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 914e210bb2ee753bbbdbfa23a6e9397216225fad ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-509859d [2019-11-27 17:48:27,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:48:27,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:48:27,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:48:27,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:48:27,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:48:27,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:48:27,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:48:27,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:48:27,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:48:27,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:48:27,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:48:27,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:48:27,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:48:27,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:48:27,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:48:27,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:48:27,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:48:27,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:48:27,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:48:27,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:48:27,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:48:27,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:48:27,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:48:27,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:48:27,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:48:27,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:48:27,185 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:48:27,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:48:27,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:48:27,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:48:27,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:48:27,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:48:27,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:48:27,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:48:27,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:48:27,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:48:27,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:48:27,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:48:27,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:48:27,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:48:27,212 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-11-27 17:48:27,252 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:48:27,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:48:27,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:48:27,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:48:27,262 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:48:27,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:48:27,263 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:48:27,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:48:27,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:48:27,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 17:48:27,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:48:27,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 17:48:27,265 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-27 17:48:27,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 17:48:27,267 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:48:27,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 17:48:27,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:48:27,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:48:27,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:48:27,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:48:27,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:48:27,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:48:27,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:48:27,273 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 17:48:27,273 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:48:27,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:48:27,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 17:48:27,276 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 -> 914e210bb2ee753bbbdbfa23a6e9397216225fad [2019-11-27 17:48:27,787 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:48:27,817 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:48:27,824 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:48:27,826 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:48:27,831 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:48:27,832 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/Ben-Amram-LMCS2010-Ex2.3.c [2019-11-27 17:48:27,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f81ae61/0861450bf09e4710a5cb11b2bfde5ab1/FLAG16530132a [2019-11-27 17:48:28,976 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:48:28,977 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/Ben-Amram-LMCS2010-Ex2.3.c [2019-11-27 17:48:28,995 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f81ae61/0861450bf09e4710a5cb11b2bfde5ab1/FLAG16530132a [2019-11-27 17:48:29,046 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f81ae61/0861450bf09e4710a5cb11b2bfde5ab1 [2019-11-27 17:48:29,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:48:29,059 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 17:48:29,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:48:29,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:48:29,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:48:29,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:48:29" (1/1) ... [2019-11-27 17:48:29,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d00d6c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:48:29, skipping insertion in model container [2019-11-27 17:48:29,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:48:29" (1/1) ... [2019-11-27 17:48:29,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:48:29,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:48:29,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:48:29,528 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:48:29,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:48:29,611 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:48:29,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:48:29 WrapperNode [2019-11-27 17:48:29,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:48:29,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 17:48:29,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 17:48:29,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 17:48:29,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:48:29" (1/1) ... [2019-11-27 17:48:29,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:48:29" (1/1) ... [2019-11-27 17:48:29,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 17:48:29,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:48:29,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:48:29,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:48:29,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:48:29" (1/1) ... [2019-11-27 17:48:29,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:48:29" (1/1) ... [2019-11-27 17:48:29,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:48:29" (1/1) ... [2019-11-27 17:48:29,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:48:29" (1/1) ... [2019-11-27 17:48:29,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:48:29" (1/1) ... [2019-11-27 17:48:29,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:48:29" (1/1) ... [2019-11-27 17:48:29,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:48:29" (1/1) ... [2019-11-27 17:48:29,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:48:29,850 INFO L168 Benchmark]: Toolchain (without parser) took 775.00 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 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:48:29,852 INFO L168 Benchmark]: CDTParser took 0.68 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:48:29,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.69 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:48:29,861 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.80 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.1 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 17:48:29,862 INFO L168 Benchmark]: Boogie Preprocessor took 43.78 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:48:29,872 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68 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 551.69 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 169.80 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.1 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 43.78 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 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...