./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c6eb4584 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_6-1.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 595c6555624af5bbcf79585a20acb2500e3eeee8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 21:25:38,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:25:38,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:25:38,492 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:25:38,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:25:38,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:25:38,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:25:38,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:25:38,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:25:38,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:25:38,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:25:38,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:25:38,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:25:38,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:25:38,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:25:38,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:25:38,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:25:38,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:25:38,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:25:38,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:25:38,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:25:38,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:25:38,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:25:38,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:25:38,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:25:38,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:25:38,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:25:38,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:25:38,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:25:38,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:25:38,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:25:38,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:25:38,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:25:38,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:25:38,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:25:38,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:25:38,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:25:38,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:25:38,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:25:38,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:25:38,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:25:38,593 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:25:38,624 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:25:38,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:25:38,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:25:38,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:25:38,629 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:25:38,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:25:38,631 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:25:38,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:25:38,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:25:38,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:25:38,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:25:38,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:25:38,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:25:38,636 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:25:38,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:25:38,637 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:25:38,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:25:38,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:25:38,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:25:38,638 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:25:38,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:25:38,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:25:38,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:25:38,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:25:38,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:25:38,639 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:25:38,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:25:38,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:25:38,639 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 -> 595c6555624af5bbcf79585a20acb2500e3eeee8 [2019-11-16 21:25:39,037 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:25:39,052 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:25:39,059 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:25:39,062 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:25:39,066 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:25:39,067 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c [2019-11-16 21:25:39,176 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84e4968df/75e9d1a887f046c998cc5ba4be0816ef/FLAG54f060093 [2019-11-16 21:25:39,875 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:25:39,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c [2019-11-16 21:25:39,892 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84e4968df/75e9d1a887f046c998cc5ba4be0816ef/FLAG54f060093 [2019-11-16 21:25:40,203 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84e4968df/75e9d1a887f046c998cc5ba4be0816ef [2019-11-16 21:25:40,206 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:25:40,208 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:25:40,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:25:40,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:25:40,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:25:40,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:25:40" (1/1) ... [2019-11-16 21:25:40,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21131fc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:25:40, skipping insertion in model container [2019-11-16 21:25:40,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:25:40" (1/1) ... [2019-11-16 21:25:40,233 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:25:40,252 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:25:40,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:25:40,524 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:25:40,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:25:40,555 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:25:40,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:25:40 WrapperNode [2019-11-16 21:25:40,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:25:40,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:25:40,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:25:40,558 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:25:40,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:25:40" (1/1) ... [2019-11-16 21:25:40,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:25:40" (1/1) ... [2019-11-16 21:25:40,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:25:40,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:25:40,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:25:40,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:25:40,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:25:40" (1/1) ... [2019-11-16 21:25:40,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:25:40" (1/1) ... [2019-11-16 21:25:40,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:25:40" (1/1) ... [2019-11-16 21:25:40,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:25:40" (1/1) ... [2019-11-16 21:25:40,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:25:40" (1/1) ... [2019-11-16 21:25:40,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:25:40" (1/1) ... [2019-11-16 21:25:40,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:25:40" (1/1) ... [2019-11-16 21:25:40,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:25:40,721 INFO L168 Benchmark]: Toolchain (without parser) took 512.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:25:40,725 INFO L168 Benchmark]: CDTParser took 0.24 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. [2019-11-16 21:25:40,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.43 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. [2019-11-16 21:25:40,733 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.41 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 9.4 MB. Max. memory is 12.5 GB. [2019-11-16 21:25:40,735 INFO L168 Benchmark]: Boogie Preprocessor took 46.85 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-16 21:25:40,743 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 342.43 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 106.41 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 9.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 46.85 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...