./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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-simple/id_i20_o20-1.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 4d7026bf672987d88e3a6ea48c2c5a690fd9a5f2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/id_i20_o20-1.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 4d7026bf672987d88e3a6ea48c2c5a690fd9a5f2 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:21:45,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:45,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:45,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:45,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:45,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:45,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:45,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:45,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:45,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:45,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:45,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:45,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:45,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:45,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:45,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:45,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:45,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:45,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:45,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:45,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:45,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:46,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:46,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:46,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:46,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:46,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:46,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:46,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:46,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:46,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:46,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:46,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:46,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:46,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:46,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:46,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:46,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:46,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:46,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:46,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:46,049 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:21:46,086 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:46,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:46,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:46,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:46,094 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:46,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:46,095 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:46,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:21:46,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:46,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:46,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:46,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:46,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:46,100 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:46,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:46,102 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:46,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:46,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:46,103 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:46,105 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:46,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:46,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:46,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:46,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:46,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:46,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:21:46,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:21:46,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:46,109 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 -> 4d7026bf672987d88e3a6ea48c2c5a690fd9a5f2 [2019-11-27 16:21:46,657 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:46,684 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:46,692 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:46,695 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:46,697 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:46,700 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2019-11-27 16:21:46,850 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e121e1686/0f414c72ae8c459983090228b28e0ff7/FLAG61f08a4cb [2019-11-27 16:21:47,767 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:47,770 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2019-11-27 16:21:47,790 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e121e1686/0f414c72ae8c459983090228b28e0ff7/FLAG61f08a4cb [2019-11-27 16:21:48,002 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e121e1686/0f414c72ae8c459983090228b28e0ff7 [2019-11-27 16:21:48,010 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:48,013 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:48,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:48,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:48,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:48,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:48" (1/1) ... [2019-11-27 16:21:48,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785470ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:48, skipping insertion in model container [2019-11-27 16:21:48,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:48" (1/1) ... [2019-11-27 16:21:48,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:48,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:48,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:48,515 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:48,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:48,585 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:48,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:48 WrapperNode [2019-11-27 16:21:48,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:48,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:48,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:48,596 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:48,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:48" (1/1) ... [2019-11-27 16:21:48,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:48" (1/1) ... [2019-11-27 16:21:48,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:48,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:48,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:48,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:48,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:48" (1/1) ... [2019-11-27 16:21:48,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:48" (1/1) ... [2019-11-27 16:21:48,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:48" (1/1) ... [2019-11-27 16:21:48,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:48" (1/1) ... [2019-11-27 16:21:48,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:48" (1/1) ... [2019-11-27 16:21:48,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:48" (1/1) ... [2019-11-27 16:21:48,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:48" (1/1) ... [2019-11-27 16:21:48,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:48,780 INFO L168 Benchmark]: Toolchain (without parser) took 748.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 996.9 MB in the end (delta: -31.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:48,782 INFO L168 Benchmark]: CDTParser took 0.32 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 16:21:48,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 569.50 ms. Allocated memory is still 1.0 GB. Free memory was 965.9 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:48,787 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.23 ms. Allocated memory is still 1.0 GB. Free memory is still 954.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:48,792 INFO L168 Benchmark]: Boogie Preprocessor took 121.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 996.9 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:48,804 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 569.50 ms. Allocated memory is still 1.0 GB. Free memory was 965.9 MB in the beginning and 954.5 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 42.23 ms. Allocated memory is still 1.0 GB. Free memory is still 954.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 121.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 996.9 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.2 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 0.1.24-509859d [2019-11-27 16:21:52,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:52,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:52,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:52,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:52,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:52,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:52,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:52,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:52,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:52,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:52,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:52,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:52,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:52,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:52,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:52,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:52,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:52,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:52,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:52,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:52,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:52,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:52,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:52,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:52,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:52,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:52,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:52,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:52,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:52,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:52,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:52,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:52,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:52,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:52,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:52,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:52,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:52,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:52,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:52,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:52,833 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:21:52,860 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:52,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:52,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:52,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:52,865 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:52,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:52,867 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:52,867 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:52,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:52,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:52,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:52,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:52,869 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:21:52,869 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:21:52,869 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:52,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:52,872 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:52,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:52,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:52,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:52,873 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:52,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:52,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:52,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:52,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:52,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:52,877 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:21:52,877 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:21:52,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:52,878 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:21:52,879 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 -> 4d7026bf672987d88e3a6ea48c2c5a690fd9a5f2 [2019-11-27 16:21:53,437 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:53,465 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:53,471 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:53,476 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:53,477 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:53,481 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2019-11-27 16:21:53,624 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a63c83ec/1d3841d4baeb4769bb9632d1fb58519f/FLAG9a1541fd1 [2019-11-27 16:21:54,581 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:54,582 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2019-11-27 16:21:54,598 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a63c83ec/1d3841d4baeb4769bb9632d1fb58519f/FLAG9a1541fd1 [2019-11-27 16:21:54,785 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a63c83ec/1d3841d4baeb4769bb9632d1fb58519f [2019-11-27 16:21:54,795 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:54,798 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:54,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:54,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:54,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:54,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:54" (1/1) ... [2019-11-27 16:21:54,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb904a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:54, skipping insertion in model container [2019-11-27 16:21:54,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:54" (1/1) ... [2019-11-27 16:21:54,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:54,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:55,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:55,315 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:55,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:55,389 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:55,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:55 WrapperNode [2019-11-27 16:21:55,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:55,392 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:55,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:55,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:55,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:55" (1/1) ... [2019-11-27 16:21:55,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:55" (1/1) ... [2019-11-27 16:21:55,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:55,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:55,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:55,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:55,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:55" (1/1) ... [2019-11-27 16:21:55,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:55" (1/1) ... [2019-11-27 16:21:55,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:55" (1/1) ... [2019-11-27 16:21:55,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:55" (1/1) ... [2019-11-27 16:21:55,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:55" (1/1) ... [2019-11-27 16:21:55,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:55" (1/1) ... [2019-11-27 16:21:55,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:55" (1/1) ... [2019-11-27 16:21:55,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:55,571 INFO L168 Benchmark]: Toolchain (without parser) took 756.80 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.9 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:55,573 INFO L168 Benchmark]: CDTParser took 0.39 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 16:21:55,578 INFO L168 Benchmark]: CACSL2BoogieTranslator took 588.02 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 16:21:55,581 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.68 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: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:55,584 INFO L168 Benchmark]: Boogie Preprocessor took 24.41 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 16:21:55,590 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 588.02 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 135.68 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: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 24.41 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...