./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_4-2.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/fibo_2calls_4-2.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 7a7b79fb8a331a00295fb9ddfb653e17bda3c30d ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/fibo_2calls_4-2.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 7a7b79fb8a331a00295fb9ddfb653e17bda3c30d .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:21:37,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:37,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:37,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:37,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:37,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:37,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:37,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:37,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:37,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:37,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:37,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:37,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:37,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:37,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:37,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:37,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:37,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:37,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:37,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:37,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:37,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:37,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:37,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:37,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:37,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:37,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:37,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:37,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:37,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:37,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:37,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:37,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:37,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:37,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:37,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:37,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:37,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:37,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:37,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:37,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:37,482 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:21:37,524 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:37,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:37,529 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:37,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:37,530 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:37,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:37,534 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:37,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:21:37,535 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:37,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:37,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:37,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:37,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:37,537 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:37,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:37,541 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:37,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:37,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:37,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:37,542 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:37,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:37,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:37,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:37,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:37,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:37,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:21:37,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:21:37,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:37,547 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 -> 7a7b79fb8a331a00295fb9ddfb653e17bda3c30d [2019-11-27 16:21:38,118 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:38,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:38,155 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:38,161 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:38,162 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:38,163 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_4-2.c [2019-11-27 16:21:38,316 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a2cd7fe9/c9a779cb7dcc4c1f8884260b74d97c09/FLAG45966903e [2019-11-27 16:21:39,309 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:39,312 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_4-2.c [2019-11-27 16:21:39,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a2cd7fe9/c9a779cb7dcc4c1f8884260b74d97c09/FLAG45966903e [2019-11-27 16:21:39,370 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a2cd7fe9/c9a779cb7dcc4c1f8884260b74d97c09 [2019-11-27 16:21:39,378 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:39,383 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:39,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:39,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:39,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:39,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:39,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44d2104c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39, skipping insertion in model container [2019-11-27 16:21:39,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:39,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:39,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:39,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:39,904 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:39,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:39,961 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:39,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39 WrapperNode [2019-11-27 16:21:39,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:39,971 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:39,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:39,972 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:39,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:40,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:40,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:40,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:40,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:40,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:40,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:40,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:40,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:40,168 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:40,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:40,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:40,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:40,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:40,202 INFO L168 Benchmark]: Toolchain (without parser) took 821.39 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 991.1 MB in the end (delta: -33.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:40,205 INFO L168 Benchmark]: CDTParser took 1.39 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 16:21:40,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 578.38 ms. Allocated memory is still 1.0 GB. Free memory was 957.4 MB in the beginning and 945.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:40,218 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 945.9 MB in the beginning and 996.8 MB in the end (delta: -50.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:40,221 INFO L168 Benchmark]: Boogie Preprocessor took 60.82 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:40,232 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.39 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 578.38 ms. Allocated memory is still 1.0 GB. Free memory was 957.4 MB in the beginning and 945.9 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 166.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 945.9 MB in the beginning and 996.8 MB in the end (delta: -50.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 60.82 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:21:44,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:44,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:44,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:44,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:44,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:44,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:44,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:44,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:44,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:44,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:44,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:44,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:44,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:44,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:44,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:44,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:44,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:44,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:44,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:44,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:44,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:44,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:44,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:44,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:44,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:44,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:44,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:44,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:44,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:44,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:44,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:44,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:44,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:44,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:44,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:44,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:44,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:44,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:44,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:44,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:44,263 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:21:44,309 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:44,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:44,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:44,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:44,319 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:44,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:44,319 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:44,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:44,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:44,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:44,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:44,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:44,325 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:21:44,325 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:21:44,326 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:44,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:44,326 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:44,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:44,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:44,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:44,330 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:44,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:44,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:44,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:44,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:44,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:44,332 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:21:44,333 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:21:44,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:44,335 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:21:44,337 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 -> 7a7b79fb8a331a00295fb9ddfb653e17bda3c30d [2019-11-27 16:21:44,959 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:44,990 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:44,997 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:45,002 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:45,003 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:45,006 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_4-2.c [2019-11-27 16:21:45,167 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/638ef90c7/041a8ae6b4ef4cd4ae3fd2d6f064fdd5/FLAG864f428fa [2019-11-27 16:21:46,199 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:46,200 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_4-2.c [2019-11-27 16:21:46,217 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/638ef90c7/041a8ae6b4ef4cd4ae3fd2d6f064fdd5/FLAG864f428fa [2019-11-27 16:21:46,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/638ef90c7/041a8ae6b4ef4cd4ae3fd2d6f064fdd5 [2019-11-27 16:21:46,261 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:46,268 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:46,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:46,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:46,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:46,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:46" (1/1) ... [2019-11-27 16:21:46,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6404b3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:46, skipping insertion in model container [2019-11-27 16:21:46,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:46" (1/1) ... [2019-11-27 16:21:46,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:46,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:46,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:46,815 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:46,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:46,897 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:46,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:46 WrapperNode [2019-11-27 16:21:46,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:46,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:46,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:46,903 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:46,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:46" (1/1) ... [2019-11-27 16:21:47,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:46" (1/1) ... [2019-11-27 16:21:47,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:47,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:47,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:47,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:47,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:46" (1/1) ... [2019-11-27 16:21:47,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:46" (1/1) ... [2019-11-27 16:21:47,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:46" (1/1) ... [2019-11-27 16:21:47,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:46" (1/1) ... [2019-11-27 16:21:47,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:46" (1/1) ... [2019-11-27 16:21:47,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:46" (1/1) ... [2019-11-27 16:21:47,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:46" (1/1) ... [2019-11-27 16:21:47,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:47,148 INFO L168 Benchmark]: Toolchain (without parser) took 881.21 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 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:47,150 INFO L168 Benchmark]: CDTParser took 0.46 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 16:21:47,153 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.80 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 16:21:47,156 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.72 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 991.2 MB in the end (delta: -35.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:47,164 INFO L168 Benchmark]: Boogie Preprocessor took 67.63 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:47,176 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 629.80 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 173.72 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 991.2 MB in the end (delta: -35.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 67.63 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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...