./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive/Fibonacci02.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/Fibonacci02.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 7e40a98558d0111ea95f3ee60a44cc14c7768182 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Fibonacci02.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 7e40a98558d0111ea95f3ee60a44cc14c7768182 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:21:17,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:17,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:17,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:17,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:17,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:17,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:17,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:17,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:17,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:17,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:17,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:17,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:17,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:17,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:17,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:17,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:17,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:17,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:17,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:17,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:17,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:17,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:17,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:17,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:17,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:17,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:17,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:17,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:17,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:17,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:17,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:17,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:17,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:17,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:17,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:17,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:17,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:17,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:17,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:17,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:17,456 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:21:17,494 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:17,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:17,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:17,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:17,501 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:17,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:17,501 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:17,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:21:17,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:17,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:17,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:17,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:17,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:17,507 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:17,507 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:17,509 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:17,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:17,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:17,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:17,510 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:17,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:17,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:17,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:17,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:17,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:17,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:21:17,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:21:17,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:17,516 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 -> 7e40a98558d0111ea95f3ee60a44cc14c7768182 [2019-11-27 16:21:18,128 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:18,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:18,165 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:18,170 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:18,171 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:18,173 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Fibonacci02.c [2019-11-27 16:21:18,325 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbdc86357/8e0e3044247b4381a8439ccc35be12c8/FLAG255fe6574 [2019-11-27 16:21:19,329 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:19,335 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci02.c [2019-11-27 16:21:19,350 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbdc86357/8e0e3044247b4381a8439ccc35be12c8/FLAG255fe6574 [2019-11-27 16:21:19,391 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbdc86357/8e0e3044247b4381a8439ccc35be12c8 [2019-11-27 16:21:19,398 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:19,404 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:19,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:19,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:19,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:19,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:19" (1/1) ... [2019-11-27 16:21:19,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70a9e384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:19, skipping insertion in model container [2019-11-27 16:21:19,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:19" (1/1) ... [2019-11-27 16:21:19,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:19,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:19,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:19,941 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:19,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:19,996 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:19,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:19 WrapperNode [2019-11-27 16:21:19,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:20,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:20,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:20,014 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:20,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:19" (1/1) ... [2019-11-27 16:21:20,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:19" (1/1) ... [2019-11-27 16:21:20,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:20,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:20,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:20,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:20,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:19" (1/1) ... [2019-11-27 16:21:20,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:19" (1/1) ... [2019-11-27 16:21:20,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:19" (1/1) ... [2019-11-27 16:21:20,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:19" (1/1) ... [2019-11-27 16:21:20,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:19" (1/1) ... [2019-11-27 16:21:20,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:19" (1/1) ... [2019-11-27 16:21:20,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:19" (1/1) ... [2019-11-27 16:21:20,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:20,223 INFO L168 Benchmark]: Toolchain (without parser) took 814.20 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 996.8 MB in the end (delta: -39.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:20,227 INFO L168 Benchmark]: CDTParser took 3.98 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 16:21:20,231 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.57 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 16:21:20,234 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 945.9 MB in the beginning and 996.8 MB in the end (delta: -50.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:20,237 INFO L168 Benchmark]: Boogie Preprocessor took 44.24 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:20,249 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.98 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 592.57 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 157.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 945.9 MB in the beginning and 996.8 MB in the end (delta: -50.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 44.24 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 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 0.1.24-509859d [2019-11-27 16:21:24,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:24,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:24,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:24,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:24,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:24,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:24,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:24,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:24,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:24,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:24,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:24,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:24,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:24,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:24,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:24,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:24,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:24,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:24,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:24,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:24,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:24,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:24,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:24,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:24,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:24,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:24,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:24,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:24,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:24,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:24,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:24,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:24,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:24,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:24,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:24,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:24,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:24,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:24,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:24,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:24,222 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:21:24,259 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:24,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:24,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:24,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:24,267 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:24,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:24,267 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:24,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:24,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:24,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:24,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:24,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:24,272 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:21:24,273 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:21:24,273 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:24,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:24,275 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:24,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:24,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:24,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:24,276 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:24,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:24,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:24,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:24,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:24,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:24,280 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:21:24,280 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:21:24,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:24,283 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:21:24,284 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 -> 7e40a98558d0111ea95f3ee60a44cc14c7768182 [2019-11-27 16:21:24,801 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:24,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:24,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:24,842 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:24,844 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:24,846 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Fibonacci02.c [2019-11-27 16:21:25,003 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7328e15d8/07c7f0a116654857bfa5f3a88bbea5e2/FLAG5ba13ea17 [2019-11-27 16:21:26,024 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:26,028 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci02.c [2019-11-27 16:21:26,042 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7328e15d8/07c7f0a116654857bfa5f3a88bbea5e2/FLAG5ba13ea17 [2019-11-27 16:21:26,080 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7328e15d8/07c7f0a116654857bfa5f3a88bbea5e2 [2019-11-27 16:21:26,093 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:26,095 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:26,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:26,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:26,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:26,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:26" (1/1) ... [2019-11-27 16:21:26,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36afd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:26, skipping insertion in model container [2019-11-27 16:21:26,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:26" (1/1) ... [2019-11-27 16:21:26,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:26,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:26,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:26,612 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:26,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:26,656 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:26,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:26 WrapperNode [2019-11-27 16:21:26,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:26,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:26,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:26,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:26,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:26" (1/1) ... [2019-11-27 16:21:26,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:26" (1/1) ... [2019-11-27 16:21:26,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:26,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:26,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:26,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:26,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:26" (1/1) ... [2019-11-27 16:21:26,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:26" (1/1) ... [2019-11-27 16:21:26,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:26" (1/1) ... [2019-11-27 16:21:26,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:26" (1/1) ... [2019-11-27 16:21:26,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:26" (1/1) ... [2019-11-27 16:21:26,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:26" (1/1) ... [2019-11-27 16:21:26,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:26" (1/1) ... [2019-11-27 16:21:26,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:26,896 INFO L168 Benchmark]: Toolchain (without parser) took 794.75 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 16:21:26,898 INFO L168 Benchmark]: CDTParser took 2.68 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 16:21:26,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 557.94 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 16:21:26,906 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.13 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: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:26,908 INFO L168 Benchmark]: Boogie Preprocessor took 54.08 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 16:21:26,919 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.68 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 557.94 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 161.13 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: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 54.08 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...