./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/id2_i5_o5-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 59c5766d3cddc0d41e2678bb5221cccc60217431 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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/id2_i5_o5-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 59c5766d3cddc0d41e2678bb5221cccc60217431 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:59:53,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:59:53,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:59:53,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:59:53,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:59:53,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:59:53,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:59:53,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:59:53,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:59:53,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:59:53,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:59:53,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:59:53,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:59:53,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:59:53,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:59:53,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:59:53,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:59:53,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:59:53,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:59:53,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:59:53,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:59:53,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:59:53,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:59:53,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:59:53,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:59:53,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:59:53,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:59:53,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:59:53,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:59:53,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:59:53,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:59:53,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:59:53,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:59:53,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:59:53,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:59:53,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:59:53,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:59:53,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:59:53,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:59:53,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:59:53,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:59:53,208 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:59:53,264 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:59:53,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:59:53,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:59:53,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:59:53,268 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:59:53,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:59:53,271 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:59:53,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:59:53,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:59:53,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:59:53,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:59:53,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:59:53,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:59:53,275 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:59:53,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:59:53,276 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:59:53,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:59:53,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:59:53,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:59:53,280 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:59:53,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:59:53,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:59:53,281 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:59:53,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:59:53,281 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:59:53,282 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:59:53,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:59:53,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:59:53,285 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 ! call(__VERIFIER_error())) ) 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 -> 59c5766d3cddc0d41e2678bb5221cccc60217431 [2019-11-27 09:59:53,834 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:59:53,863 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:59:53,870 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:59:53,873 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:59:53,877 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:59:53,879 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c [2019-11-27 09:59:54,040 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd8325bb5/cb308ee93c1544fdb7c252cd0931729f/FLAGb81f3cb8d [2019-11-27 09:59:55,062 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:59:55,066 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c [2019-11-27 09:59:55,077 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd8325bb5/cb308ee93c1544fdb7c252cd0931729f/FLAGb81f3cb8d [2019-11-27 09:59:55,119 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd8325bb5/cb308ee93c1544fdb7c252cd0931729f [2019-11-27 09:59:55,128 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:59:55,133 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:59:55,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:55,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:59:55,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:59:55,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:55" (1/1) ... [2019-11-27 09:59:55,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f01879f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:55, skipping insertion in model container [2019-11-27 09:59:55,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:55" (1/1) ... [2019-11-27 09:59:55,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:59:55,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:59:55,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:55,642 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:59:55,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:55,717 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:59:55,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:55 WrapperNode [2019-11-27 09:59:55,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:55,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:55,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:59:55,726 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:59:55,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:55" (1/1) ... [2019-11-27 09:59:55,760 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:55" (1/1) ... [2019-11-27 09:59:55,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:55,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:59:55,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:59:55,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:59:55,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:55" (1/1) ... [2019-11-27 09:59:55,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:55" (1/1) ... [2019-11-27 09:59:55,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:55" (1/1) ... [2019-11-27 09:59:55,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:55" (1/1) ... [2019-11-27 09:59:55,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:55" (1/1) ... [2019-11-27 09:59:55,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:55" (1/1) ... [2019-11-27 09:59:55,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:55" (1/1) ... [2019-11-27 09:59:55,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:59:55,950 INFO L168 Benchmark]: Toolchain (without parser) took 809.12 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 09:59:55,952 INFO L168 Benchmark]: CDTParser took 3.64 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 09:59:55,957 INFO L168 Benchmark]: CACSL2BoogieTranslator took 584.13 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 09:59:55,959 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.80 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 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:59:55,963 INFO L168 Benchmark]: Boogie Preprocessor took 49.12 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:59:55,976 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.64 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 584.13 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 165.80 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 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 49.12 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:59:59,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:59:59,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:59:59,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:59:59,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:59:59,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:59:59,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:59:59,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:59:59,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:59:59,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:59:59,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:59:59,808 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:59:59,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:59:59,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:59:59,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:59:59,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:59:59,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:59:59,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:59:59,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:59:59,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:59:59,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:59:59,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:59:59,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:59:59,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:59:59,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:59:59,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:59:59,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:59:59,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:59:59,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:59:59,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:59:59,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:59:59,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:59:59,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:59:59,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:59:59,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:59:59,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:59:59,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:59:59,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:59:59,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:59:59,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:59:59,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:59:59,913 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:59:59,951 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:59:59,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:59:59,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:59:59,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:59:59,960 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:59:59,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:59:59,963 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:59:59,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:59:59,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:59:59,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:59:59,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:59:59,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:59:59,966 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:59:59,968 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:59:59,969 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:59:59,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:59:59,969 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:59:59,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:59:59,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:59:59,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:59:59,974 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:59:59,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:59:59,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:59:59,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:59:59,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:59:59,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:59:59,975 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:59:59,976 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:59:59,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:59:59,978 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:59:59,979 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 ! call(__VERIFIER_error())) ) 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 -> 59c5766d3cddc0d41e2678bb5221cccc60217431 [2019-11-27 10:00:00,551 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:00,581 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:00,585 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:00,590 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:00,594 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:00,596 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c [2019-11-27 10:00:00,751 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0001a743/da748a5749b54649b284164c427a0a8c/FLAGc02ca9aba [2019-11-27 10:00:01,738 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:01,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c [2019-11-27 10:00:01,755 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0001a743/da748a5749b54649b284164c427a0a8c/FLAGc02ca9aba [2019-11-27 10:00:01,926 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0001a743/da748a5749b54649b284164c427a0a8c [2019-11-27 10:00:01,937 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:01,939 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:01,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:01,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:01,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:01,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:01" (1/1) ... [2019-11-27 10:00:01,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e8bcb7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:01, skipping insertion in model container [2019-11-27 10:00:01,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:01" (1/1) ... [2019-11-27 10:00:01,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:02,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:02,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:02,413 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:02,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:02,491 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:02,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02 WrapperNode [2019-11-27 10:00:02,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:02,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:02,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:02,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:02,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:02,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:02,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:02,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:02,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:02,677 INFO L168 Benchmark]: Toolchain (without parser) took 732.83 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:02,679 INFO L168 Benchmark]: CDTParser took 0.36 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 10:00:02,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 552.52 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 10:00:02,686 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.84 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 991.3 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:02,689 INFO L168 Benchmark]: Boogie Preprocessor took 25.88 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:02,705 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 552.52 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 146.84 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 991.3 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 25.88 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 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...