./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_8-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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_8-2.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 e21c3699338992ddad7e6d15f4351c8cc3315b0b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_8-2.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 e21c3699338992ddad7e6d15f4351c8cc3315b0b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:12:12,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:12,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:12,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:12,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:12,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:12,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:12,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:12,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:12,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:12,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:12,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:12,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:12,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:12,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:12,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:12,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:12,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:12,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:12,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:12,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:12,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:12,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:12,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:12,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:12,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:12,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:12,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:12,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:12,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:12,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:12,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:12,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:12,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:12,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:12,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:12,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:12,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:12,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:12,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:12,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:12,550 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:12,609 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:12,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:12,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:12,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:12,616 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:12,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:12,619 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:12,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:12,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:12,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:12,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:12,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:12,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:12,627 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:12,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:12,628 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:12,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:12,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:12,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:12,629 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:12,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:12,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:12,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:12,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:12,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:12,635 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:12,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:12,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:12,637 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 -> e21c3699338992ddad7e6d15f4351c8cc3315b0b [2019-11-26 17:12:13,192 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:13,223 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:13,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:13,233 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:13,236 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:13,238 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_8-2.c [2019-11-26 17:12:13,401 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/683cb8584/835466dc304944a5b8e5c3c24c5a5284/FLAGe1596b153 [2019-11-26 17:12:14,431 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:14,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_8-2.c [2019-11-26 17:12:14,448 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/683cb8584/835466dc304944a5b8e5c3c24c5a5284/FLAGe1596b153 [2019-11-26 17:12:14,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/683cb8584/835466dc304944a5b8e5c3c24c5a5284 [2019-11-26 17:12:14,493 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:14,496 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:14,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:14,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:14,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:14,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:14" (1/1) ... [2019-11-26 17:12:14,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e551884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:14, skipping insertion in model container [2019-11-26 17:12:14,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:14" (1/1) ... [2019-11-26 17:12:14,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:14,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:15,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:15,021 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:15,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:15,090 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:15,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:15 WrapperNode [2019-11-26 17:12:15,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:15,099 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:15,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:15,100 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:15,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:15" (1/1) ... [2019-11-26 17:12:15,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:15" (1/1) ... [2019-11-26 17:12:15,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:15,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:15,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:15,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:15,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:15" (1/1) ... [2019-11-26 17:12:15,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:15" (1/1) ... [2019-11-26 17:12:15,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:15" (1/1) ... [2019-11-26 17:12:15,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:15" (1/1) ... [2019-11-26 17:12:15,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:15" (1/1) ... [2019-11-26 17:12:15,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:15" (1/1) ... [2019-11-26 17:12:15,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:15" (1/1) ... [2019-11-26 17:12:15,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:15,302 INFO L168 Benchmark]: Toolchain (without parser) took 800.06 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 991.0 MB in the end (delta: -29.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:15,305 INFO L168 Benchmark]: CDTParser took 2.67 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. [2019-11-26 17:12:15,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 588.99 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. [2019-11-26 17:12:15,322 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:15,326 INFO L168 Benchmark]: Boogie Preprocessor took 38.85 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:15,337 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.67 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 588.99 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 155.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 38.85 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 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 0.1.24-025d5a2 [2019-11-26 17:12:19,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:19,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:19,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:19,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:19,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:19,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:19,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:19,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:19,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:19,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:19,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:19,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:19,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:19,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:19,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:19,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:19,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:19,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:19,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:19,272 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:19,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:19,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:19,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:19,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:19,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:19,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:19,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:19,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:19,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:19,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:19,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:19,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:19,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:19,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:19,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:19,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:19,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:19,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:19,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:19,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:19,325 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:19,366 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:19,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:19,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:19,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:19,375 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:19,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:19,376 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:19,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:19,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:19,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:19,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:19,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:19,380 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:19,380 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:19,381 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:19,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:19,381 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:19,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:19,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:19,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:19,384 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:19,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:19,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:19,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:19,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:19,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:19,387 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:19,387 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:19,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:19,389 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:19,391 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 -> e21c3699338992ddad7e6d15f4351c8cc3315b0b [2019-11-26 17:12:19,951 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:19,982 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:19,992 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:19,994 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:19,995 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:19,998 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_8-2.c [2019-11-26 17:12:20,159 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81fb90df0/171c9e0ff6ba4b879ff0c9cc7b86f1e0/FLAG7e333e623 [2019-11-26 17:12:21,200 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:21,201 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_8-2.c [2019-11-26 17:12:21,220 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81fb90df0/171c9e0ff6ba4b879ff0c9cc7b86f1e0/FLAG7e333e623 [2019-11-26 17:12:21,257 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81fb90df0/171c9e0ff6ba4b879ff0c9cc7b86f1e0 [2019-11-26 17:12:21,268 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:21,274 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:21,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:21,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:21,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:21,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:21" (1/1) ... [2019-11-26 17:12:21,294 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 26.11 05:12:21, skipping insertion in model container [2019-11-26 17:12:21,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:21" (1/1) ... [2019-11-26 17:12:21,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:21,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:21,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:21,757 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:21,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:21,816 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:21,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:21 WrapperNode [2019-11-26 17:12:21,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:21,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:21,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:21,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:21,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:21" (1/1) ... [2019-11-26 17:12:21,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:21" (1/1) ... [2019-11-26 17:12:21,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:21,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:21,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:21,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:21,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:21" (1/1) ... [2019-11-26 17:12:21,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:21" (1/1) ... [2019-11-26 17:12:22,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:21" (1/1) ... [2019-11-26 17:12:22,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:21" (1/1) ... [2019-11-26 17:12:22,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:21" (1/1) ... [2019-11-26 17:12:22,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:21" (1/1) ... [2019-11-26 17:12:22,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:21" (1/1) ... [2019-11-26 17:12:22,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:22,050 INFO L168 Benchmark]: Toolchain (without parser) took 762.53 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. [2019-11-26 17:12:22,051 INFO L168 Benchmark]: CDTParser took 0.40 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. [2019-11-26 17:12:22,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 542.41 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. [2019-11-26 17:12:22,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 151.72 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 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:22,061 INFO L168 Benchmark]: Boogie Preprocessor took 53.57 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:22,074 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 542.41 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 151.72 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 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 53.57 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 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...