./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive/Ackermann03.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/recursive/Ackermann03.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 33d0641b9a339cc7e30dea71c1d04be4d72dcf57 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-509859d [2019-11-27 17:49:03,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:49:03,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:49:03,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:49:03,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:49:03,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:49:03,831 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:49:03,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:49:03,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:49:03,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:49:03,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:49:03,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:49:03,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:49:03,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:49:03,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:49:03,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:49:03,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:49:03,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:49:03,897 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:49:03,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:49:03,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:49:03,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:49:03,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:49:03,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:49:03,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:49:03,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:49:03,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:49:03,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:49:03,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:49:03,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:49:03,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:49:03,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:49:03,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:49:03,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:49:03,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:49:03,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:49:03,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:49:03,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:49:03,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:49:03,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:49:03,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:49:03,968 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-11-27 17:49:04,008 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:49:04,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:49:04,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:49:04,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:49:04,017 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:49:04,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:49:04,020 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:49:04,020 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:49:04,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:49:04,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:49:04,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:49:04,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 17:49:04,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:49:04,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 17:49:04,024 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-27 17:49:04,025 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:49:04,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 17:49:04,025 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:49:04,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 17:49:04,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:49:04,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:49:04,031 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:49:04,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:49:04,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:49:04,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:49:04,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:49:04,032 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 17:49:04,033 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:49:04,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:49:04,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 17:49:04,035 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 -> 33d0641b9a339cc7e30dea71c1d04be4d72dcf57 [2019-11-27 17:49:04,598 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:49:04,630 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:49:04,638 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:49:04,644 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:49:04,645 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:49:04,646 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Ackermann03.c [2019-11-27 17:49:04,804 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad5042238/247592001f53410a8704eff0481e0376/FLAGbe65d7d07 [2019-11-27 17:49:05,881 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:49:05,883 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Ackermann03.c [2019-11-27 17:49:05,901 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad5042238/247592001f53410a8704eff0481e0376/FLAGbe65d7d07 [2019-11-27 17:49:05,941 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad5042238/247592001f53410a8704eff0481e0376 [2019-11-27 17:49:05,951 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:49:05,956 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 17:49:05,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:49:05,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:49:05,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:49:05,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:49:05" (1/1) ... [2019-11-27 17:49:05,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231fc69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:49:05, skipping insertion in model container [2019-11-27 17:49:05,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:49:05" (1/1) ... [2019-11-27 17:49:06,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:49:06,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:49:06,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:49:06,502 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:49:06,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:49:06,565 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:49:06,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:49:06 WrapperNode [2019-11-27 17:49:06,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:49:06,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 17:49:06,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 17:49:06,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 17:49:06,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:49:06" (1/1) ... [2019-11-27 17:49:06,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:49:06" (1/1) ... [2019-11-27 17:49:06,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 17:49:06,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:49:06,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:49:06,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:49:06,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:49:06" (1/1) ... [2019-11-27 17:49:06,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:49:06" (1/1) ... [2019-11-27 17:49:06,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:49:06" (1/1) ... [2019-11-27 17:49:06,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:49:06" (1/1) ... [2019-11-27 17:49:06,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:49:06" (1/1) ... [2019-11-27 17:49:06,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:49:06" (1/1) ... [2019-11-27 17:49:06,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:49:06" (1/1) ... [2019-11-27 17:49:06,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:49:06,818 INFO L168 Benchmark]: Toolchain (without parser) took 857.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.3 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:49:06,821 INFO L168 Benchmark]: CDTParser took 2.42 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:49:06,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.86 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:49:06,828 INFO L168 Benchmark]: Boogie Procedure Inliner took 170.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 17:49:06,829 INFO L168 Benchmark]: Boogie Preprocessor took 72.11 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:49:06,839 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.42 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 608.86 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 170.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 72.11 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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...