./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_25-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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_25-2.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 6feb2d9df0581d47b74bce2be80636ed1d300948 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_25-2.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 6feb2d9df0581d47b74bce2be80636ed1d300948 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:59:39,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:59:39,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:59:39,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:59:39,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:59:39,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:59:39,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:59:39,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:59:39,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:59:39,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:59:39,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:59:39,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:59:39,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:59:39,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:59:39,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:59:39,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:59:39,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:59:39,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:59:39,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:59:39,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:59:39,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:59:39,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:59:39,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:59:39,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:59:39,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:59:39,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:59:39,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:59:39,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:59:39,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:59:39,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:59:39,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:59:39,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:59:39,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:59:39,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:59:39,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:59:39,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:59:39,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:59:39,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:59:39,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:59:39,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:59:39,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:59:39,789 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:59:39,828 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:59:39,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:59:39,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:59:39,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:59:39,837 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:59:39,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:59:39,839 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:59:39,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:59:39,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:59:39,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:59:39,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:59:39,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:59:39,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:59:39,844 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:59:39,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:59:39,846 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:59:39,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:59:39,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:59:39,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:59:39,850 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:59:39,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:59:39,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:59:39,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:59:39,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:59:39,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:59:39,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:59:39,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:59:39,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:59:39,854 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 -> 6feb2d9df0581d47b74bce2be80636ed1d300948 [2019-11-27 09:59:40,431 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:59:40,463 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:59:40,472 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:59:40,477 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:59:40,477 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:59:40,480 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_25-2.c [2019-11-27 09:59:40,642 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46ba778d8/6c985082f00246a3858242e55eb980a6/FLAG60ec82279 [2019-11-27 09:59:41,685 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:59:41,688 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_25-2.c [2019-11-27 09:59:41,705 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46ba778d8/6c985082f00246a3858242e55eb980a6/FLAG60ec82279 [2019-11-27 09:59:41,744 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46ba778d8/6c985082f00246a3858242e55eb980a6 [2019-11-27 09:59:41,753 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:59:41,758 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:59:41,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:41,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:59:41,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:59:41,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:41" (1/1) ... [2019-11-27 09:59:41,783 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 09:59:41, skipping insertion in model container [2019-11-27 09:59:41,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:41" (1/1) ... [2019-11-27 09:59:41,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:59:41,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:59:42,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:42,322 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:59:42,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:42,402 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:59:42,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:42 WrapperNode [2019-11-27 09:59:42,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:42,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:42,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:59:42,412 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:59:42,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:42" (1/1) ... [2019-11-27 09:59:42,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:42" (1/1) ... [2019-11-27 09:59:42,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:42,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:59:42,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:59:42,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:59:42,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:42" (1/1) ... [2019-11-27 09:59:42,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:42" (1/1) ... [2019-11-27 09:59:42,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:42" (1/1) ... [2019-11-27 09:59:42,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:42" (1/1) ... [2019-11-27 09:59:42,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:42" (1/1) ... [2019-11-27 09:59:42,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:42" (1/1) ... [2019-11-27 09:59:42,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:42" (1/1) ... [2019-11-27 09:59:42,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:59:42,662 INFO L168 Benchmark]: Toolchain (without parser) took 894.68 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 09:59:42,665 INFO L168 Benchmark]: CDTParser took 1.93 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 09:59:42,670 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.32 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 09:59:42,671 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.60 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 09:59:42,675 INFO L168 Benchmark]: Boogie Preprocessor took 148.19 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 09:59:42,689 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.93 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 647.32 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 90.60 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 148.19 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-da95e15 [2019-11-27 09:59:46,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:59:46,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:59:46,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:59:46,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:59:46,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:59:46,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:59:46,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:59:46,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:59:46,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:59:46,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:59:46,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:59:46,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:59:46,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:59:46,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:59:46,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:59:46,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:59:46,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:59:46,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:59:46,831 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:59:46,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:59:46,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:59:46,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:59:46,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:59:46,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:59:46,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:59:46,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:59:46,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:59:46,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:59:46,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:59:46,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:59:46,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:59:46,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:59:46,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:59:46,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:59:46,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:59:46,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:59:46,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:59:46,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:59:46,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:59:46,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:59:46,893 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:59:46,951 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:59:46,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:59:46,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:59:46,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:59:46,959 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:59:46,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:59:46,960 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:59:46,960 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:59:46,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:59:46,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:59:46,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:59:46,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:59:46,966 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:59:46,966 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:59:46,968 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:59:46,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:59:46,968 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:59:46,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:59:46,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:59:46,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:59:46,973 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:59:46,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:59:46,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:59:46,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:59:46,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:59:46,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:59:46,978 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:59:46,978 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:59:46,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:59:46,980 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:59:46,981 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 -> 6feb2d9df0581d47b74bce2be80636ed1d300948 [2019-11-27 09:59:47,648 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:59:47,679 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:59:47,688 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:59:47,695 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:59:47,696 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:59:47,697 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_25-2.c [2019-11-27 09:59:47,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/871ac48f4/6f0eb71ce14e42aebe0e4082d69767d5/FLAG5dc27a45a [2019-11-27 09:59:48,910 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:59:48,912 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_25-2.c [2019-11-27 09:59:48,929 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/871ac48f4/6f0eb71ce14e42aebe0e4082d69767d5/FLAG5dc27a45a [2019-11-27 09:59:48,968 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/871ac48f4/6f0eb71ce14e42aebe0e4082d69767d5 [2019-11-27 09:59:48,978 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:59:48,980 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:59:48,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:48,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:59:48,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:59:49,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:48" (1/1) ... [2019-11-27 09:59:49,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6404b3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:49, skipping insertion in model container [2019-11-27 09:59:49,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:48" (1/1) ... [2019-11-27 09:59:49,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:59:49,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:59:49,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:49,558 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:59:49,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:49,645 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:59:49,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:49 WrapperNode [2019-11-27 09:59:49,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:49,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:49,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:59:49,654 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:59:49,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:49" (1/1) ... [2019-11-27 09:59:49,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:49" (1/1) ... [2019-11-27 09:59:49,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:49,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:59:49,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:59:49,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:59:49,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:49" (1/1) ... [2019-11-27 09:59:49,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:49" (1/1) ... [2019-11-27 09:59:49,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:49" (1/1) ... [2019-11-27 09:59:49,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:49" (1/1) ... [2019-11-27 09:59:49,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:49" (1/1) ... [2019-11-27 09:59:49,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:49" (1/1) ... [2019-11-27 09:59:49,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:49" (1/1) ... [2019-11-27 09:59:49,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:59:49,912 INFO L168 Benchmark]: Toolchain (without parser) took 925.00 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 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:59:49,917 INFO L168 Benchmark]: CDTParser took 2.44 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 09:59:49,921 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.42 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 09:59:49,924 INFO L168 Benchmark]: Boogie Procedure Inliner took 184.38 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:59:49,925 INFO L168 Benchmark]: Boogie Preprocessor took 64.01 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:59:49,940 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.44 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 663.42 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 184.38 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 64.01 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...