./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_i15_o15-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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_i15_o15-2.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 ad4e6ad99a266ddeead98987e8e44db723af5bc7 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_i15_o15-2.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 ad4e6ad99a266ddeead98987e8e44db723af5bc7 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:04:58,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:04:58,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:04:58,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:04:58,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:04:58,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:04:58,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:04:58,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:04:58,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:04:59,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:04:59,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:04:59,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:04:59,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:04:59,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:04:59,024 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:04:59,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:04:59,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:04:59,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:04:59,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:04:59,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:04:59,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:04:59,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:04:59,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:04:59,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:04:59,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:04:59,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:04:59,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:04:59,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:04:59,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:04:59,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:04:59,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:04:59,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:04:59,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:04:59,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:04:59,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:04:59,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:04:59,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:04:59,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:04:59,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:04:59,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:04:59,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:04:59,121 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:04:59,161 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:04:59,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:04:59,164 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:04:59,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:04:59,166 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:04:59,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:04:59,168 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:04:59,168 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:04:59,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:04:59,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:04:59,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:04:59,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:04:59,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:04:59,174 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:04:59,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:04:59,174 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:04:59,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:04:59,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:04:59,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:04:59,178 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:04:59,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:04:59,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:04:59,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:04:59,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:04:59,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:04:59,180 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:04:59,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:04:59,183 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:04:59,183 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 -> ad4e6ad99a266ddeead98987e8e44db723af5bc7 [2019-11-25 23:04:59,674 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:04:59,706 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:04:59,711 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:04:59,716 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:04:59,717 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:04:59,721 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i15_o15-2.c [2019-11-25 23:04:59,877 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da21ed265/5923fb2ce06e40c7bfd229f7e47e4b42/FLAGd294052f2 [2019-11-25 23:05:00,897 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:05:00,902 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i15_o15-2.c [2019-11-25 23:05:00,918 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da21ed265/5923fb2ce06e40c7bfd229f7e47e4b42/FLAGd294052f2 [2019-11-25 23:05:01,170 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da21ed265/5923fb2ce06e40c7bfd229f7e47e4b42 [2019-11-25 23:05:01,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:05:01,181 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:05:01,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:05:01,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:05:01,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:05:01,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:05:01" (1/1) ... [2019-11-25 23:05:01,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57cbf806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:01, skipping insertion in model container [2019-11-25 23:05:01,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:05:01" (1/1) ... [2019-11-25 23:05:01,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:05:01,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:05:01,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:05:01,651 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:05:01,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:05:01,691 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:05:01,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:01 WrapperNode [2019-11-25 23:05:01,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:05:01,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:05:01,702 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:05:01,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:05:01,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:01" (1/1) ... [2019-11-25 23:05:01,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:01" (1/1) ... [2019-11-25 23:05:01,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:05:01,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:05:01,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:05:01,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:05:01,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:01" (1/1) ... [2019-11-25 23:05:01,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:01" (1/1) ... [2019-11-25 23:05:01,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:01" (1/1) ... [2019-11-25 23:05:01,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:01" (1/1) ... [2019-11-25 23:05:01,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:01" (1/1) ... [2019-11-25 23:05:01,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:01" (1/1) ... [2019-11-25 23:05:01,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:01" (1/1) ... [2019-11-25 23:05:01,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:05:01,924 INFO L168 Benchmark]: Toolchain (without parser) took 736.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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. [2019-11-25 23:05:01,926 INFO L168 Benchmark]: CDTParser took 0.42 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. [2019-11-25 23:05:01,930 INFO L168 Benchmark]: CACSL2BoogieTranslator took 507.82 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. [2019-11-25 23:05:01,933 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.87 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: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-25 23:05:01,938 INFO L168 Benchmark]: Boogie Preprocessor took 43.98 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. [2019-11-25 23:05:01,950 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 507.82 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 168.87 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: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 43.98 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... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:05:05,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:05:05,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:05:05,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:05:05,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:05:05,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:05:05,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:05:05,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:05:05,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:05:05,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:05:05,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:05:05,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:05:05,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:05:05,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:05:05,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:05:05,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:05:05,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:05:05,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:05:05,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:05:05,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:05:05,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:05:05,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:05:05,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:05:05,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:05:05,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:05:06,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:05:06,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:05:06,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:05:06,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:05:06,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:05:06,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:05:06,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:05:06,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:05:06,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:05:06,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:05:06,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:05:06,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:05:06,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:05:06,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:05:06,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:05:06,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:05:06,034 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:05:06,083 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:05:06,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:05:06,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:05:06,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:05:06,092 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:05:06,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:05:06,093 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:05:06,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:05:06,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:05:06,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:05:06,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:05:06,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:05:06,097 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:05:06,097 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:05:06,100 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:05:06,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:05:06,100 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:05:06,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:05:06,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:05:06,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:05:06,102 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:05:06,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:05:06,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:05:06,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:05:06,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:05:06,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:05:06,106 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:05:06,107 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:05:06,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:05:06,107 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:05:06,110 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 -> ad4e6ad99a266ddeead98987e8e44db723af5bc7 [2019-11-25 23:05:06,726 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:05:06,751 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:05:06,758 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:05:06,762 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:05:06,766 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:05:06,768 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i15_o15-2.c [2019-11-25 23:05:06,905 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c4e8587b/8fc2cbb188be49c3ad043a7e1deec68b/FLAGdfaf9372e [2019-11-25 23:05:07,874 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:05:07,876 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i15_o15-2.c [2019-11-25 23:05:07,891 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c4e8587b/8fc2cbb188be49c3ad043a7e1deec68b/FLAGdfaf9372e [2019-11-25 23:05:08,081 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c4e8587b/8fc2cbb188be49c3ad043a7e1deec68b [2019-11-25 23:05:08,089 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:05:08,093 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:05:08,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:05:08,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:05:08,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:05:08,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:05:08" (1/1) ... [2019-11-25 23:05:08,121 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 25.11 11:05:08, skipping insertion in model container [2019-11-25 23:05:08,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:05:08" (1/1) ... [2019-11-25 23:05:08,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:05:08,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:05:08,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:05:08,545 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:05:08,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:05:08,584 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:05:08,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:08 WrapperNode [2019-11-25 23:05:08,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:05:08,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:05:08,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:05:08,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:05:08,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:08" (1/1) ... [2019-11-25 23:05:08,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:08" (1/1) ... [2019-11-25 23:05:08,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:05:08,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:05:08,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:05:08,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:05:08,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:08" (1/1) ... [2019-11-25 23:05:08,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:08" (1/1) ... [2019-11-25 23:05:08,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:08" (1/1) ... [2019-11-25 23:05:08,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:08" (1/1) ... [2019-11-25 23:05:08,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:08" (1/1) ... [2019-11-25 23:05:08,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:08" (1/1) ... [2019-11-25 23:05:08,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:08" (1/1) ... [2019-11-25 23:05:08,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:05:08,764 INFO L168 Benchmark]: Toolchain (without parser) took 653.51 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. [2019-11-25 23:05:08,766 INFO L168 Benchmark]: CDTParser took 0.41 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. [2019-11-25 23:05:08,768 INFO L168 Benchmark]: CACSL2BoogieTranslator took 485.16 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. [2019-11-25 23:05:08,774 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.67 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. [2019-11-25 23:05:08,775 INFO L168 Benchmark]: Boogie Preprocessor took 25.34 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. [2019-11-25 23:05:08,786 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 485.16 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 131.67 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 25.34 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...