./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_10-2.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_10-2.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 dd317ac0ecdb37853dacea373914a521115465e0 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_10-2.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 dd317ac0ecdb37853dacea373914a521115465e0 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:12:00,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:00,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:00,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:00,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:00,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:00,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:00,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:00,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:00,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:00,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:00,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:00,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:00,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:00,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:00,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:00,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:00,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:00,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:00,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:00,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:00,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:00,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:00,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:00,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:00,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:00,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:00,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:00,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:00,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:00,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:00,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:00,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:00,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:00,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:00,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:00,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:00,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:00,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:00,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:00,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:00,718 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:00,770 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:00,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:00,778 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:00,780 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:00,780 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:00,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:00,782 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:00,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:00,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:00,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:00,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:00,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:00,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:00,790 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:00,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:00,790 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:00,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:00,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:00,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:00,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:00,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:00,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:00,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:00,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:00,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:00,799 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:00,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:00,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:00,800 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 -> dd317ac0ecdb37853dacea373914a521115465e0 [2019-11-26 17:12:01,353 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:01,383 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:01,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:01,395 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:01,396 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:01,401 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_10-2.c [2019-11-26 17:12:01,563 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c086938bb/ff112ca640a74ed1808e54ac5bd47ee3/FLAG1ad74c5b3 [2019-11-26 17:12:02,625 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:02,626 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_10-2.c [2019-11-26 17:12:02,643 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c086938bb/ff112ca640a74ed1808e54ac5bd47ee3/FLAG1ad74c5b3 [2019-11-26 17:12:02,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c086938bb/ff112ca640a74ed1808e54ac5bd47ee3 [2019-11-26 17:12:02,691 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:02,696 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:02,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:02,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:02,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:02,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:02" (1/1) ... [2019-11-26 17:12:02,720 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 05:12:02, skipping insertion in model container [2019-11-26 17:12:02,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:02" (1/1) ... [2019-11-26 17:12:02,741 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:02,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:03,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:03,199 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:03,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:03,270 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:03,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03 WrapperNode [2019-11-26 17:12:03,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:03,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:03,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:03,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:03,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:03,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:03,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:03,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:03,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:03,494 INFO L168 Benchmark]: Toolchain (without parser) took 791.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:03,498 INFO L168 Benchmark]: CDTParser took 0.58 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 17:12:03,499 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.89 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 17:12:03,501 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.91 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:03,506 INFO L168 Benchmark]: Boogie Preprocessor took 135.09 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: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:03,520 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 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 573.89 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 74.91 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 135.09 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: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:12:07,378 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:07,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:07,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:07,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:07,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:07,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:07,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:07,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:07,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:07,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:07,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:07,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:07,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:07,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:07,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:07,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:07,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:07,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:07,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:07,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:07,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:07,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:07,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:07,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:07,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:07,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:07,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:07,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:07,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:07,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:07,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:07,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:07,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:07,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:07,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:07,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:07,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:07,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:07,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:07,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:07,555 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:07,611 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:07,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:07,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:07,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:07,617 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:07,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:07,619 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:07,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:07,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:07,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:07,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:07,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:07,622 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:07,623 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:07,624 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:07,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:07,627 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:07,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:07,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:07,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:07,628 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:07,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:07,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:07,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:07,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:07,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:07,632 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:07,633 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:07,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:07,633 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:07,635 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 -> dd317ac0ecdb37853dacea373914a521115465e0 [2019-11-26 17:12:08,204 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:08,246 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:08,256 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:08,261 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:08,262 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:08,264 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_10-2.c [2019-11-26 17:12:08,419 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62025d0bc/6df8da4207f04a439011459fa6ed3f64/FLAGed31c9634 [2019-11-26 17:12:09,461 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:09,464 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_10-2.c [2019-11-26 17:12:09,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62025d0bc/6df8da4207f04a439011459fa6ed3f64/FLAGed31c9634 [2019-11-26 17:12:09,519 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62025d0bc/6df8da4207f04a439011459fa6ed3f64 [2019-11-26 17:12:09,528 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:09,534 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:09,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:09,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:09,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:09,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:09" (1/1) ... [2019-11-26 17:12:09,560 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 05:12:09, skipping insertion in model container [2019-11-26 17:12:09,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:09" (1/1) ... [2019-11-26 17:12:09,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:09,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:10,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:10,034 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:10,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:10,089 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:10,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10 WrapperNode [2019-11-26 17:12:10,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:10,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:10,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:10,099 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:10,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:10,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:10,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:10,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:10,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:10,302 INFO L168 Benchmark]: Toolchain (without parser) took 751.08 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 997.0 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:10,304 INFO L168 Benchmark]: CDTParser took 0.45 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 17:12:10,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 550.94 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 17:12:10,311 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.97 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 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:10,314 INFO L168 Benchmark]: Boogie Preprocessor took 32.77 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. [2019-11-26 17:12:10,327 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 550.94 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 150.97 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 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 32.77 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...