./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_i15_o15-1.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/id_i15_o15-1.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 946ca263ceeb3f3c46f4e6e15a44f3d7052d43ca .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_o15-1.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 946ca263ceeb3f3c46f4e6e15a44f3d7052d43ca ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:59:58,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:59:58,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:59:58,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:59:58,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:59:58,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:59:58,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:59:58,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:59:58,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:59:58,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:59:58,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:59:58,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:59:58,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:59:58,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:59:58,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:59:58,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:59:58,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:59:58,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:59:58,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:59:58,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:59:58,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:59:58,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:59:58,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:59:58,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:59:58,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:59:58,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:59:58,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:59:58,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:59:58,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:59:58,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:59:58,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:59:58,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:59:58,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:59:58,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:59:58,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:59:58,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:59:58,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:59:58,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:59:58,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:59:58,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:59:58,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:59:58,333 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:59:58,375 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:59:58,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:59:58,382 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:59:58,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:59:58,386 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:59:58,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:59:58,387 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:59:58,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:59:58,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:59:58,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:59:58,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:59:58,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:59:58,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:59:58,390 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:59:58,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:59:58,394 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:59:58,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:59:58,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:59:58,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:59:58,395 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:59:58,395 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:59:58,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:59:58,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:59:58,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:59:58,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:59:58,399 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:59:58,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:59:58,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:59:58,400 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 -> 946ca263ceeb3f3c46f4e6e15a44f3d7052d43ca [2019-11-27 09:59:59,008 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:59:59,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:59:59,058 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:59:59,061 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:59:59,065 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:59:59,066 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i15_o15-1.c [2019-11-27 09:59:59,228 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7d53a01a/0ae90ca748064ace9e6ac5d1e4149d00/FLAG61df81593 [2019-11-27 10:00:00,262 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:00,264 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i15_o15-1.c [2019-11-27 10:00:00,280 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7d53a01a/0ae90ca748064ace9e6ac5d1e4149d00/FLAG61df81593 [2019-11-27 10:00:00,317 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7d53a01a/0ae90ca748064ace9e6ac5d1e4149d00 [2019-11-27 10:00:00,326 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:00,331 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:00,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:00,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:00,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:00,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:00" (1/1) ... [2019-11-27 10:00:00,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa44881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:00, skipping insertion in model container [2019-11-27 10:00:00,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:00" (1/1) ... [2019-11-27 10:00:00,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:00,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:00,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:00,821 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:00,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:00,866 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:00,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:00 WrapperNode [2019-11-27 10:00:00,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:00,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:00,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:00,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:00,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:00" (1/1) ... [2019-11-27 10:00:00,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:00" (1/1) ... [2019-11-27 10:00:00,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:00,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:00,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:00,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:01,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:00" (1/1) ... [2019-11-27 10:00:01,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:00" (1/1) ... [2019-11-27 10:00:01,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:00" (1/1) ... [2019-11-27 10:00:01,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:00" (1/1) ... [2019-11-27 10:00:01,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:00" (1/1) ... [2019-11-27 10:00:01,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:00" (1/1) ... [2019-11-27 10:00:01,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:00" (1/1) ... [2019-11-27 10:00:01,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:01,096 INFO L168 Benchmark]: Toolchain (without parser) took 747.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:01,098 INFO L168 Benchmark]: CDTParser took 0.42 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 10:00:01,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 535.84 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 10:00:01,104 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.29 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:01,109 INFO L168 Benchmark]: Boogie Preprocessor took 119.78 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 996.8 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:01,120 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 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 535.84 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 79.29 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 119.78 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 996.8 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 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 10:00:04,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:04,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:04,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:05,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:05,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:05,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:05,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:05,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:05,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:05,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:05,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:05,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:05,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:05,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:05,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:05,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:05,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:05,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:05,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:05,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:05,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:05,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:05,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:05,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:05,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:05,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:05,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:05,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:05,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:05,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:05,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:05,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:05,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:05,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:05,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:05,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:05,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:05,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:05,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:05,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:05,152 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:00:05,191 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:05,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:05,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:05,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:05,200 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:05,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:05,201 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:05,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:05,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:05,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:05,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:05,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:05,205 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:00:05,208 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:00:05,209 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:05,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:05,209 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:05,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:05,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:05,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:05,211 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:05,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:05,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:05,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:05,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:05,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:05,216 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:00:05,216 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:00:05,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:05,217 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:00:05,220 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 -> 946ca263ceeb3f3c46f4e6e15a44f3d7052d43ca [2019-11-27 10:00:05,779 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:05,809 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:05,816 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:05,821 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:05,821 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:05,825 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i15_o15-1.c [2019-11-27 10:00:05,981 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1e2bc6ad/d0375244ca4d46efaedb48856dc24404/FLAG1930d206b [2019-11-27 10:00:07,024 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:07,028 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i15_o15-1.c [2019-11-27 10:00:07,042 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1e2bc6ad/d0375244ca4d46efaedb48856dc24404/FLAG1930d206b [2019-11-27 10:00:07,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1e2bc6ad/d0375244ca4d46efaedb48856dc24404 [2019-11-27 10:00:07,098 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:07,105 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:07,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:07,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:07,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:07,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa44881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07, skipping insertion in model container [2019-11-27 10:00:07,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:07,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:07,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:07,593 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:07,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:07,634 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:07,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07 WrapperNode [2019-11-27 10:00:07,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:07,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:07,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:07,644 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:07,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:07,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:07,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:07,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:07,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:07,824 INFO L168 Benchmark]: Toolchain (without parser) took 715.41 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 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:07,839 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. [2019-11-27 10:00:07,843 INFO L168 Benchmark]: CACSL2BoogieTranslator took 525.98 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 10:00:07,846 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.38 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:07,848 INFO L168 Benchmark]: Boogie Preprocessor took 25.88 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:07,860 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 525.98 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 146.38 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 997.0 MB in the end (delta: -46.8 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 997.0 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...