./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_20-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/fibo_20-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cea72d4d3a1fecd3ec62f7958af7c737a208f292 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_20-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cea72d4d3a1fecd3ec62f7958af7c737a208f292 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:21:29,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:29,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:29,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:29,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:29,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:29,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:29,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:29,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:29,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:29,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:29,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:29,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:29,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:29,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:29,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:29,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:29,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:29,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:29,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:29,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:29,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:29,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:29,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:29,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:29,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:29,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:29,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:29,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:29,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:29,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:29,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:29,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:29,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:29,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:29,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:29,530 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:29,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:29,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:29,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:29,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:29,538 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:21:29,593 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:29,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:29,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:29,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:29,603 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:29,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:29,604 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:29,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:21:29,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:29,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:29,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:29,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:29,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:29,609 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:29,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:29,611 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:29,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:29,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:29,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:29,616 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:29,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:29,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:29,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:29,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:29,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:29,619 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:21:29,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:21:29,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:29,621 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 -> cea72d4d3a1fecd3ec62f7958af7c737a208f292 [2019-11-27 16:21:30,204 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:30,233 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:30,240 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:30,245 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:30,247 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:30,250 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_20-1.c [2019-11-27 16:21:30,418 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c77dcf3ef/6716b5e790a04f268d2696d1915bcc33/FLAGee8aa9aa9 [2019-11-27 16:21:31,496 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:31,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_20-1.c [2019-11-27 16:21:31,516 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c77dcf3ef/6716b5e790a04f268d2696d1915bcc33/FLAGee8aa9aa9 [2019-11-27 16:21:31,556 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c77dcf3ef/6716b5e790a04f268d2696d1915bcc33 [2019-11-27 16:21:31,566 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:31,573 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:31,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:31,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:31,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:31,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:31" (1/1) ... [2019-11-27 16:21:31,608 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 27.11 04:21:31, skipping insertion in model container [2019-11-27 16:21:31,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:31" (1/1) ... [2019-11-27 16:21:31,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:31,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:32,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:32,125 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:32,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:32,189 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:32,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:32 WrapperNode [2019-11-27 16:21:32,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:32,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:32,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:32,206 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:32,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:32" (1/1) ... [2019-11-27 16:21:32,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:32" (1/1) ... [2019-11-27 16:21:32,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:32,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:32,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:32,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:32,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:32" (1/1) ... [2019-11-27 16:21:32,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:32" (1/1) ... [2019-11-27 16:21:32,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:32" (1/1) ... [2019-11-27 16:21:32,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:32" (1/1) ... [2019-11-27 16:21:32,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:32" (1/1) ... [2019-11-27 16:21:32,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:32" (1/1) ... [2019-11-27 16:21:32,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:32" (1/1) ... [2019-11-27 16:21:32,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:32,457 INFO L168 Benchmark]: Toolchain (without parser) took 878.77 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. [2019-11-27 16:21:32,461 INFO L168 Benchmark]: CDTParser took 2.78 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 16:21:32,463 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.99 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. [2019-11-27 16:21:32,466 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.30 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. [2019-11-27 16:21:32,471 INFO L168 Benchmark]: Boogie Preprocessor took 150.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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. [2019-11-27 16:21:32,483 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.78 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 625.99 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 91.30 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 150.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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 0.1.24-509859d [2019-11-27 16:21:36,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:36,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:36,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:36,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:36,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:36,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:36,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:36,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:36,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:36,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:36,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:36,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:36,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:36,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:36,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:36,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:36,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:36,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:36,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:36,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:36,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:36,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:36,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:36,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:36,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:36,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:36,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:36,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:36,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:36,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:36,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:36,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:36,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:36,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:36,687 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:36,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:36,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:36,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:36,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:36,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:36,698 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:21:36,738 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:36,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:36,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:36,746 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:36,746 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:36,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:36,747 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:36,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:36,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:36,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:36,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:36,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:36,751 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:21:36,754 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:21:36,754 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:36,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:36,755 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:36,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:36,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:36,756 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:36,756 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:36,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:36,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:36,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:36,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:36,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:36,762 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:21:36,762 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:21:36,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:36,762 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:21:36,763 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 -> cea72d4d3a1fecd3ec62f7958af7c737a208f292 [2019-11-27 16:21:37,342 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:37,371 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:37,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:37,381 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:37,384 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:37,388 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_20-1.c [2019-11-27 16:21:37,547 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e631fd816/8b1eee2dfcb84755a88e35c905fffc1b/FLAG406fe3741 [2019-11-27 16:21:38,607 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:38,610 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_20-1.c [2019-11-27 16:21:38,625 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e631fd816/8b1eee2dfcb84755a88e35c905fffc1b/FLAG406fe3741 [2019-11-27 16:21:38,669 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e631fd816/8b1eee2dfcb84755a88e35c905fffc1b [2019-11-27 16:21:38,679 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:38,687 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:38,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:38,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:38,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:38,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:38" (1/1) ... [2019-11-27 16:21:38,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f8899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:38, skipping insertion in model container [2019-11-27 16:21:38,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:38" (1/1) ... [2019-11-27 16:21:38,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:38,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:39,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:39,191 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:39,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:39,249 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:39,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39 WrapperNode [2019-11-27 16:21:39,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:39,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:39,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:39,265 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:39,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:39,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:39,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:39,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:39,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:39,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:39,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:39,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:39,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:39,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:39,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:39,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:39,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:39,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:39,515 INFO L168 Benchmark]: Toolchain (without parser) took 822.93 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:39,518 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:39,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 559.73 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 16:21:39,525 INFO L168 Benchmark]: Boogie Procedure Inliner took 172.84 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 991.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:39,528 INFO L168 Benchmark]: Boogie Preprocessor took 64.99 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:39,540 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 559.73 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 172.84 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 991.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 64.99 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 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...