./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/id_b3_o5-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version da95e156 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-simple/id_b3_o5-2.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 8d39666f7b9e3c393826226f879477647e7209cc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-da95e15 [2019-11-27 11:26:45,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:26:45,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:26:45,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:26:45,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:26:45,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:26:45,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:26:45,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:26:45,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:26:45,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:26:45,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:26:45,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:26:45,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:26:45,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:26:45,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:26:45,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:26:45,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:26:45,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:26:45,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:26:45,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:26:46,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:26:46,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:26:46,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:26:46,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:26:46,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:26:46,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:26:46,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:26:46,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:26:46,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:26:46,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:26:46,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:26:46,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:26:46,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:26:46,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:26:46,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:26:46,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:26:46,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:26:46,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:26:46,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:26:46,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:26:46,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:26:46,060 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-11-27 11:26:46,098 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:26:46,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:26:46,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:26:46,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:26:46,106 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:26:46,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:26:46,109 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:26:46,109 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:26:46,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:26:46,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:26:46,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:26:46,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 11:26:46,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:26:46,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 11:26:46,114 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-27 11:26:46,115 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:26:46,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 11:26:46,115 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:26:46,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 11:26:46,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:26:46,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:26:46,120 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:26:46,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:26:46,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:26:46,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:26:46,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:26:46,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 11:26:46,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:26:46,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:26:46,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 11:26:46,124 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 -> 8d39666f7b9e3c393826226f879477647e7209cc [2019-11-27 11:26:46,668 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:26:46,702 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:26:46,709 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:26:46,714 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:26:46,715 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:26:46,718 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_b3_o5-2.c [2019-11-27 11:26:46,878 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3971bde1/d479bdbf598f4fdab7b3874f285849c5/FLAG2ebea5da0 [2019-11-27 11:26:47,972 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:26:47,976 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_b3_o5-2.c [2019-11-27 11:26:47,990 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3971bde1/d479bdbf598f4fdab7b3874f285849c5/FLAG2ebea5da0 [2019-11-27 11:26:48,016 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3971bde1/d479bdbf598f4fdab7b3874f285849c5 [2019-11-27 11:26:48,040 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:26:48,045 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 11:26:48,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:26:48,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:26:48,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:26:48,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:26:48" (1/1) ... [2019-11-27 11:26:48,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fcfb979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:48, skipping insertion in model container [2019-11-27 11:26:48,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:26:48" (1/1) ... [2019-11-27 11:26:48,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:26:48,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:26:48,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:26:48,619 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:26:48,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:26:48,700 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:26:48,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:48 WrapperNode [2019-11-27 11:26:48,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:26:48,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 11:26:48,706 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 11:26:48,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 11:26:48,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:48" (1/1) ... [2019-11-27 11:26:48,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:48" (1/1) ... [2019-11-27 11:26:48,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 11:26:48,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:26:48,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:26:48,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:26:48,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:48" (1/1) ... [2019-11-27 11:26:48,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:48" (1/1) ... [2019-11-27 11:26:48,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:48" (1/1) ... [2019-11-27 11:26:48,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:48" (1/1) ... [2019-11-27 11:26:48,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:48" (1/1) ... [2019-11-27 11:26:48,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:48" (1/1) ... [2019-11-27 11:26:48,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:48" (1/1) ... [2019-11-27 11:26:48,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:26:48,937 INFO L168 Benchmark]: Toolchain (without parser) took 887.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.9 MB in the end (delta: -35.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:26:48,939 INFO L168 Benchmark]: CDTParser took 0.46 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 11:26:48,948 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.58 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 11:26:48,950 INFO L168 Benchmark]: Boogie Procedure Inliner took 182.08 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 11:26:48,954 INFO L168 Benchmark]: Boogie Preprocessor took 39.32 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:26:48,961 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 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 658.58 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 182.08 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 39.32 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 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...