./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted/RecursiveNonterminating-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 025d5a27 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/RecursiveNonterminating-2.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 5c710c9332055b5f06164a07be44be6850b8917f .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-025d5a2 [2019-11-26 18:00:26,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 18:00:26,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 18:00:26,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 18:00:26,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 18:00:26,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 18:00:26,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 18:00:27,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 18:00:27,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 18:00:27,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 18:00:27,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 18:00:27,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 18:00:27,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 18:00:27,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 18:00:27,046 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 18:00:27,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 18:00:27,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 18:00:27,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 18:00:27,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 18:00:27,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 18:00:27,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 18:00:27,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 18:00:27,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 18:00:27,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 18:00:27,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 18:00:27,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 18:00:27,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 18:00:27,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 18:00:27,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 18:00:27,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 18:00:27,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 18:00:27,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 18:00:27,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 18:00:27,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 18:00:27,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 18:00:27,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 18:00:27,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 18:00:27,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 18:00:27,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 18:00:27,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 18:00:27,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 18:00:27,141 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-11-26 18:00:27,179 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 18:00:27,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 18:00:27,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 18:00:27,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 18:00:27,189 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 18:00:27,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 18:00:27,189 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 18:00:27,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 18:00:27,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 18:00:27,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 18:00:27,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 18:00:27,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 18:00:27,194 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-26 18:00:27,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 18:00:27,197 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 18:00:27,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 18:00:27,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 18:00:27,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 18:00:27,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 18:00:27,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 18:00:27,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 18:00:27,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 18:00:27,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 18:00:27,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 18:00:27,204 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 18:00:27,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 18:00:27,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 18:00:27,205 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 -> 5c710c9332055b5f06164a07be44be6850b8917f [2019-11-26 18:00:27,828 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 18:00:27,859 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 18:00:27,868 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 18:00:27,871 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 18:00:27,873 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 18:00:27,875 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/RecursiveNonterminating-2.c [2019-11-26 18:00:28,040 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e73655af0/16970b5673e54defa4faebf23ba43651/FLAG7408ffba8 [2019-11-26 18:00:29,181 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 18:00:29,184 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/RecursiveNonterminating-2.c [2019-11-26 18:00:29,199 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e73655af0/16970b5673e54defa4faebf23ba43651/FLAG7408ffba8 [2019-11-26 18:00:29,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e73655af0/16970b5673e54defa4faebf23ba43651 [2019-11-26 18:00:29,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 18:00:29,258 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 18:00:29,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 18:00:29,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 18:00:29,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 18:00:29,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 06:00:29" (1/1) ... [2019-11-26 18:00:29,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6404b3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:00:29, skipping insertion in model container [2019-11-26 18:00:29,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 06:00:29" (1/1) ... [2019-11-26 18:00:29,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 18:00:29,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 18:00:29,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 18:00:29,691 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 18:00:29,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 18:00:29,740 INFO L208 MainTranslator]: Completed translation [2019-11-26 18:00:29,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:00:29 WrapperNode [2019-11-26 18:00:29,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 18:00:29,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 18:00:29,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 18:00:29,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 18:00:29,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:00:29" (1/1) ... [2019-11-26 18:00:29,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:00:29" (1/1) ... [2019-11-26 18:00:29,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 18:00:29,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 18:00:29,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 18:00:29,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 18:00:29,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:00:29" (1/1) ... [2019-11-26 18:00:29,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:00:29" (1/1) ... [2019-11-26 18:00:29,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:00:29" (1/1) ... [2019-11-26 18:00:29,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:00:29" (1/1) ... [2019-11-26 18:00:29,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:00:29" (1/1) ... [2019-11-26 18:00:29,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:00:29" (1/1) ... [2019-11-26 18:00:29,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:00:29" (1/1) ... [2019-11-26 18:00:29,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 18:00:29,964 INFO L168 Benchmark]: Toolchain (without parser) took 685.81 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 991.2 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 18:00:29,966 INFO L168 Benchmark]: CDTParser took 0.84 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. [2019-11-26 18:00:29,968 INFO L168 Benchmark]: CACSL2BoogieTranslator took 481.99 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. [2019-11-26 18:00:29,970 INFO L168 Benchmark]: Boogie Procedure Inliner took 163.35 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 996.9 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 18:00:29,975 INFO L168 Benchmark]: Boogie Preprocessor took 30.97 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. [2019-11-26 18:00:29,987 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84 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 481.99 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 163.35 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 996.9 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 30.97 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...