./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.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 7247ae16b148df748fe938ec7145d287536c0ad9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.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 7247ae16b148df748fe938ec7145d287536c0ad9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:12:08,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:08,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:08,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:08,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:08,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:08,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:08,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:08,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:08,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:08,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:08,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:08,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:08,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:08,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:08,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:08,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:08,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:08,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:08,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:08,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:08,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:08,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:08,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:08,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:08,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:08,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:08,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:08,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:08,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:08,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:08,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:08,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:08,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:08,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:08,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:08,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:08,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:08,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:08,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:08,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:08,656 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:08,694 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:08,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:08,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:08,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:08,705 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:08,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:08,706 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:08,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:08,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:08,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:08,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:08,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:08,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:08,710 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:08,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:08,712 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:08,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:08,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:08,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:08,716 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:08,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:08,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:08,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:08,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:08,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:08,720 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:08,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:08,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:08,721 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 -> 7247ae16b148df748fe938ec7145d287536c0ad9 [2019-11-26 17:12:09,267 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:09,294 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:09,300 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:09,304 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:09,306 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:09,309 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c [2019-11-26 17:12:09,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9e8af0a9/e57d79486db7465eaef68c83be87897a/FLAG434b2e2e1 [2019-11-26 17:12:10,468 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:10,472 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c [2019-11-26 17:12:10,487 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9e8af0a9/e57d79486db7465eaef68c83be87897a/FLAG434b2e2e1 [2019-11-26 17:12:10,525 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9e8af0a9/e57d79486db7465eaef68c83be87897a [2019-11-26 17:12:10,533 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:10,536 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:10,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:10,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:10,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:10,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e551884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10, skipping insertion in model container [2019-11-26 17:12:10,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:10,624 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:11,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:11,060 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:11,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:11,131 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:11,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11 WrapperNode [2019-11-26 17:12:11,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:11,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:11,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:11,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:11,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:11,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:11,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:11,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:11,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:11,366 INFO L168 Benchmark]: Toolchain (without parser) took 823.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.0 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:11,368 INFO L168 Benchmark]: CDTParser took 0.32 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 17:12:11,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.50 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 17:12:11,375 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:11,379 INFO L168 Benchmark]: Boogie Preprocessor took 58.01 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:11,390 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 594.50 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 161.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 58.01 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:12:15,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:15,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:15,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:15,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:15,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:15,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:15,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:15,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:15,331 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:15,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:15,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:15,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:15,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:15,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:15,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:15,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:15,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:15,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:15,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:15,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:15,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:15,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:15,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:15,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:15,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:15,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:15,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:15,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:15,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:15,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:15,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:15,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:15,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:15,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:15,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:15,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:15,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:15,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:15,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:15,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:15,439 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:15,477 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:15,481 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:15,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:15,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:15,485 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:15,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:15,487 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:15,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:15,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:15,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:15,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:15,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:15,491 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:15,491 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:15,492 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:15,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:15,492 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:15,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:15,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:15,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:15,494 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:15,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:15,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:15,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:15,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:15,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:15,495 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:15,496 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:15,496 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:15,496 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:15,498 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 -> 7247ae16b148df748fe938ec7145d287536c0ad9 [2019-11-26 17:12:16,110 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:16,141 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:16,152 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:16,157 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:16,158 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:16,159 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c [2019-11-26 17:12:16,309 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bd87b3d8/c945a2f2e6794ceeafcc443631ab77a1/FLAGcb2d52f12 [2019-11-26 17:12:17,248 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:17,250 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c [2019-11-26 17:12:17,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bd87b3d8/c945a2f2e6794ceeafcc443631ab77a1/FLAGcb2d52f12 [2019-11-26 17:12:17,442 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bd87b3d8/c945a2f2e6794ceeafcc443631ab77a1 [2019-11-26 17:12:17,448 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:17,450 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:17,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:17,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:17,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:17,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:17" (1/1) ... [2019-11-26 17:12:17,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad4f9b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:17, skipping insertion in model container [2019-11-26 17:12:17,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:17" (1/1) ... [2019-11-26 17:12:17,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:17,542 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:17,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:17,958 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:17,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:18,013 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:18,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18 WrapperNode [2019-11-26 17:12:18,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:18,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:18,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:18,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:18,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:18,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:18,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:18,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:18,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:18,239 INFO L168 Benchmark]: Toolchain (without parser) took 770.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 968.8 MB in the beginning and 991.3 MB in the end (delta: -22.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:18,240 INFO L168 Benchmark]: CDTParser took 3.58 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 17:12:18,244 INFO L168 Benchmark]: CACSL2BoogieTranslator took 552.69 ms. Allocated memory is still 1.0 GB. Free memory was 968.8 MB in the beginning and 957.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:18,247 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 997.0 MB in the end (delta: -39.6 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:18,249 INFO L168 Benchmark]: Boogie Preprocessor took 48.27 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:18,262 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.58 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 552.69 ms. Allocated memory is still 1.0 GB. Free memory was 968.8 MB in the beginning and 957.4 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 154.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 997.0 MB in the end (delta: -39.6 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 48.27 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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...