./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive/Ackermann04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/recursive/Ackermann04.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-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 32bit --witnessprinter.graph.data.programhash 307542ef0214b83df72c59e51df6e57e6557ac8b ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_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 22:26:48,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:26:48,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:26:48,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:26:48,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:26:48,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:26:48,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:26:48,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:26:48,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:26:48,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:26:48,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:26:48,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:26:48,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:26:48,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:26:48,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:26:48,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:26:48,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:26:48,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:26:48,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:26:48,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:26:48,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:26:48,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:26:48,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:26:48,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:26:48,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:26:48,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:26:48,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:26:48,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:26:48,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:26:48,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:26:48,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:26:48,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:26:48,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:26:48,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:26:48,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:26:48,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:26:48,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:26:48,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:26:48,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:26:48,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:26:48,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:26:48,346 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-11-24 22:26:48,386 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:26:48,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:26:48,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:26:48,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:26:48,395 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:26:48,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:26:48,395 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:26:48,397 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:26:48,397 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:26:48,397 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:26:48,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:26:48,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 22:26:48,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:26:48,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 22:26:48,403 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-24 22:26:48,403 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:26:48,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 22:26:48,404 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:26:48,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 22:26:48,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:26:48,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:26:48,406 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:26:48,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:26:48,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:26:48,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:26:48,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:26:48,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 22:26:48,410 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:26:48,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:26:48,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 22:26:48,412 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 307542ef0214b83df72c59e51df6e57e6557ac8b [2019-11-24 22:26:48,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:26:49,009 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:26:49,019 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:26:49,023 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:26:49,026 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:26:49,028 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Ackermann04.c [2019-11-24 22:26:49,186 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b550d54a3/815d6d4d1c334fcc871c8b17dff0fcb3/FLAGbf34190fe [2019-11-24 22:26:50,196 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:26:50,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Ackermann04.c [2019-11-24 22:26:50,216 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b550d54a3/815d6d4d1c334fcc871c8b17dff0fcb3/FLAGbf34190fe [2019-11-24 22:26:50,373 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b550d54a3/815d6d4d1c334fcc871c8b17dff0fcb3 [2019-11-24 22:26:50,385 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:26:50,387 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 22:26:50,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:26:50,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:26:50,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:26:50,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:26:50" (1/1) ... [2019-11-24 22:26:50,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7547f8bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:26:50, skipping insertion in model container [2019-11-24 22:26:50,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:26:50" (1/1) ... [2019-11-24 22:26:50,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:26:50,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:26:50,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:26:50,945 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:26:50,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:26:51,009 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:26:51,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:26:51 WrapperNode [2019-11-24 22:26:51,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:26:51,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 22:26:51,019 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 22:26:51,019 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 22:26:51,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:26:51" (1/1) ... [2019-11-24 22:26:51,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:26:51" (1/1) ... [2019-11-24 22:26:51,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 22:26:51,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:26:51,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:26:51,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:26:51,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:26:51" (1/1) ... [2019-11-24 22:26:51,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:26:51" (1/1) ... [2019-11-24 22:26:51,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:26:51" (1/1) ... [2019-11-24 22:26:51,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:26:51" (1/1) ... [2019-11-24 22:26:51,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:26:51" (1/1) ... [2019-11-24 22:26:51,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:26:51" (1/1) ... [2019-11-24 22:26:51,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:26:51" (1/1) ... [2019-11-24 22:26:51,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:26:51,204 INFO L168 Benchmark]: Toolchain (without parser) took 813.48 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). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:26:51,210 INFO L168 Benchmark]: CDTParser took 0.40 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 22:26:51,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.77 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. [2019-11-24 22:26:51,216 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.85 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:26:51,221 INFO L168 Benchmark]: Boogie Preprocessor took 111.46 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. [2019-11-24 22:26:51,233 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 619.77 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 Procedure Inliner took 67.85 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 111.46 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...