./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_7-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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_7-2.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 16ceff9c26892934dc007d0ff3b64a1ad7cbb0e9 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_7-2.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 16ceff9c26892934dc007d0ff3b64a1ad7cbb0e9 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:04:50,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:04:50,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:04:50,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:04:50,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:04:50,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:04:50,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:04:50,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:04:50,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:04:50,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:04:50,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:04:50,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:04:50,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:04:50,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:04:50,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:04:50,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:04:50,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:04:50,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:04:50,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:04:50,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:04:50,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:04:50,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:04:50,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:04:50,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:04:50,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:04:50,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:04:50,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:04:50,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:04:50,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:04:50,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:04:50,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:04:50,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:04:50,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:04:50,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:04:50,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:04:50,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:04:50,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:04:50,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:04:50,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:04:50,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:04:50,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:04:50,789 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:04:50,829 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:04:50,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:04:50,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:04:50,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:04:50,836 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:04:50,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:04:50,837 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:04:50,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:04:50,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:04:50,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:04:50,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:04:50,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:04:50,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:04:50,843 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:04:50,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:04:50,844 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:04:50,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:04:50,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:04:50,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:04:50,848 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:04:50,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:04:50,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:04:50,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:04:50,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:04:50,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:04:50,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:04:50,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:04:50,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:04:50,851 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 -> 16ceff9c26892934dc007d0ff3b64a1ad7cbb0e9 [2019-11-25 23:04:51,439 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:04:51,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:04:51,478 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:04:51,481 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:04:51,486 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:04:51,488 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_7-2.c [2019-11-25 23:04:51,649 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47ec04a2d/39225edcb8d84df482f6db4d642a3e89/FLAG0507f73d5 [2019-11-25 23:04:52,725 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:04:52,729 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_7-2.c [2019-11-25 23:04:52,749 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47ec04a2d/39225edcb8d84df482f6db4d642a3e89/FLAG0507f73d5 [2019-11-25 23:04:52,788 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47ec04a2d/39225edcb8d84df482f6db4d642a3e89 [2019-11-25 23:04:52,800 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:04:52,802 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:04:52,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:52,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:04:52,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:04:52,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:52" (1/1) ... [2019-11-25 23:04:52,829 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 25.11 11:04:52, skipping insertion in model container [2019-11-25 23:04:52,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:52" (1/1) ... [2019-11-25 23:04:52,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:04:52,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:04:53,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:53,357 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:04:53,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:53,432 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:04:53,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:53 WrapperNode [2019-11-25 23:04:53,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:53,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:53,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:04:53,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:04:53,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:53" (1/1) ... [2019-11-25 23:04:53,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:53" (1/1) ... [2019-11-25 23:04:53,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:53,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:04:53,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:04:53,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:04:53,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:53" (1/1) ... [2019-11-25 23:04:53,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:53" (1/1) ... [2019-11-25 23:04:53,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:53" (1/1) ... [2019-11-25 23:04:53,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:53" (1/1) ... [2019-11-25 23:04:53,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:53" (1/1) ... [2019-11-25 23:04:53,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:53" (1/1) ... [2019-11-25 23:04:53,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:53" (1/1) ... [2019-11-25 23:04:53,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:04:53,668 INFO L168 Benchmark]: Toolchain (without parser) took 860.44 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 996.9 MB in the end (delta: -35.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:04:53,672 INFO L168 Benchmark]: CDTParser took 0.47 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. [2019-11-25 23:04:53,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.14 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. [2019-11-25 23:04:53,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.80 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 996.9 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-25 23:04:53,681 INFO L168 Benchmark]: Boogie Preprocessor took 32.78 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:04:53,693 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 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 632.14 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 167.80 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 996.9 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 32.78 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 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... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:04:57,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:04:57,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:04:57,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:04:57,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:04:57,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:04:57,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:04:57,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:04:57,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:04:57,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:04:57,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:04:57,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:04:57,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:04:57,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:04:57,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:04:57,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:04:57,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:04:57,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:04:57,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:04:57,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:04:57,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:04:57,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:04:57,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:04:57,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:04:57,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:04:57,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:04:57,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:04:57,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:04:57,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:04:57,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:04:57,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:04:57,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:04:57,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:04:57,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:04:57,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:04:57,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:04:57,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:04:57,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:04:57,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:04:57,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:04:57,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:04:57,920 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:04:57,960 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:04:57,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:04:57,967 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:04:57,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:04:57,969 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:04:57,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:04:57,970 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:04:57,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:04:57,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:04:57,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:04:57,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:04:57,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:04:57,975 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:04:57,975 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:04:57,978 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:04:57,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:04:57,979 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:04:57,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:04:57,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:04:57,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:04:57,980 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:04:57,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:04:57,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:04:57,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:04:57,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:04:57,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:04:57,985 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:04:57,985 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:04:57,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:04:57,986 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:04:57,987 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 -> 16ceff9c26892934dc007d0ff3b64a1ad7cbb0e9 [2019-11-25 23:04:58,563 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:04:58,592 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:04:58,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:04:58,604 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:04:58,604 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:04:58,606 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_7-2.c [2019-11-25 23:04:58,763 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/097163136/88131521111b49c48735c7b19e8f707a/FLAGa3ea8b353 [2019-11-25 23:04:59,802 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:04:59,804 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_7-2.c [2019-11-25 23:04:59,821 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/097163136/88131521111b49c48735c7b19e8f707a/FLAGa3ea8b353 [2019-11-25 23:04:59,863 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/097163136/88131521111b49c48735c7b19e8f707a [2019-11-25 23:04:59,870 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:04:59,878 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:04:59,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:59,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:04:59,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:04:59,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:59" (1/1) ... [2019-11-25 23:04:59,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b46442b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:59, skipping insertion in model container [2019-11-25 23:04:59,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:59" (1/1) ... [2019-11-25 23:04:59,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:04:59,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:05:00,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:05:00,446 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:05:00,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:05:00,514 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:05:00,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:00 WrapperNode [2019-11-25 23:05:00,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:05:00,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:05:00,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:05:00,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:05:00,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:00" (1/1) ... [2019-11-25 23:05:00,562 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:00" (1/1) ... [2019-11-25 23:05:00,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:05:00,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:05:00,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:05:00,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:05:00,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:00" (1/1) ... [2019-11-25 23:05:00,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:00" (1/1) ... [2019-11-25 23:05:00,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:00" (1/1) ... [2019-11-25 23:05:00,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:00" (1/1) ... [2019-11-25 23:05:00,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:00" (1/1) ... [2019-11-25 23:05:00,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:00" (1/1) ... [2019-11-25 23:05:00,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:00" (1/1) ... [2019-11-25 23:05:00,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:05:00,759 INFO L168 Benchmark]: Toolchain (without parser) took 877.21 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. [2019-11-25 23:05:00,762 INFO L168 Benchmark]: CDTParser took 3.82 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. [2019-11-25 23:05:00,764 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.53 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. [2019-11-25 23:05:00,770 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.75 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. [2019-11-25 23:05:00,771 INFO L168 Benchmark]: Boogie Preprocessor took 58.67 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. [2019-11-25 23:05:00,781 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.82 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 634.53 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 168.75 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 58.67 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...