./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_15-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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_15-2.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 80fdea232696d0d7072a18b7d2155bee217f3385 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_15-2.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 80fdea232696d0d7072a18b7d2155bee217f3385 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:17:56,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:17:56,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:17:56,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:17:56,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:17:56,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:17:56,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:17:56,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:17:56,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:17:56,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:17:56,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:17:56,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:17:56,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:17:56,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:17:56,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:17:56,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:17:56,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:17:56,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:17:56,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:17:56,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:17:56,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:17:56,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:17:56,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:17:56,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:17:56,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:17:56,633 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:17:56,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:17:56,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:17:56,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:17:56,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:17:56,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:17:56,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:17:56,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:17:56,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:17:56,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:17:56,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:17:56,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:17:56,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:17:56,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:17:56,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:17:56,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:17:56,668 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:17:56,712 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:17:56,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:17:56,718 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:17:56,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:17:56,719 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:17:56,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:17:56,720 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:17:56,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:17:56,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:17:56,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:17:56,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:17:56,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:17:56,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:17:56,727 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:17:56,728 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:17:56,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:17:56,728 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:17:56,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:17:56,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:17:56,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:17:56,731 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:17:56,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:17:56,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:17:56,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:17:56,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:17:56,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:17:56,734 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:17:56,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:17:56,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:17:56,735 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 -> 80fdea232696d0d7072a18b7d2155bee217f3385 [2019-11-24 21:17:57,293 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:17:57,327 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:17:57,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:17:57,335 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:17:57,339 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:17:57,340 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_15-2.c [2019-11-24 21:17:57,496 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d389dfe2d/94d1b4c7e52543f69a82f109abb6e483/FLAGa5e1c01a3 [2019-11-24 21:17:58,555 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:17:58,556 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_15-2.c [2019-11-24 21:17:58,575 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d389dfe2d/94d1b4c7e52543f69a82f109abb6e483/FLAGa5e1c01a3 [2019-11-24 21:17:58,611 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d389dfe2d/94d1b4c7e52543f69a82f109abb6e483 [2019-11-24 21:17:58,621 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:17:58,627 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:17:58,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:17:58,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:17:58,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:17:58,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:17:58" (1/1) ... [2019-11-24 21:17:58,649 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 24.11 09:17:58, skipping insertion in model container [2019-11-24 21:17:58,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:17:58" (1/1) ... [2019-11-24 21:17:58,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:17:58,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:17:59,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:17:59,172 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:17:59,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:17:59,231 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:17:59,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59 WrapperNode [2019-11-24 21:17:59,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:17:59,247 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:17:59,247 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:17:59,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:17:59,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59" (1/1) ... [2019-11-24 21:17:59,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59" (1/1) ... [2019-11-24 21:17:59,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:17:59,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:17:59,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:17:59,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:17:59,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59" (1/1) ... [2019-11-24 21:17:59,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59" (1/1) ... [2019-11-24 21:17:59,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59" (1/1) ... [2019-11-24 21:17:59,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59" (1/1) ... [2019-11-24 21:17:59,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59" (1/1) ... [2019-11-24 21:17:59,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59" (1/1) ... [2019-11-24 21:17:59,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59" (1/1) ... [2019-11-24 21:17:59,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:17:59,458 INFO L168 Benchmark]: Toolchain (without parser) took 829.90 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:17:59,463 INFO L168 Benchmark]: CDTParser took 1.84 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. [2019-11-24 21:17:59,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 613.39 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. [2019-11-24 21:17:59,470 INFO L168 Benchmark]: Boogie Procedure Inliner took 160.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.2 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:17:59,472 INFO L168 Benchmark]: Boogie Preprocessor took 43.49 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:17:59,484 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.84 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 613.39 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 160.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.2 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 43.49 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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 0.1.24-32f2683 [2019-11-24 21:18:03,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:03,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:03,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:03,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:03,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:03,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:03,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:03,518 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:03,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:03,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:03,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:03,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:03,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:03,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:03,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:03,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:03,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:03,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:03,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:03,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:03,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:03,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:03,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:03,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:03,603 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:03,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:03,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:03,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:03,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:03,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:03,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:03,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:03,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:03,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:03,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:03,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:03,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:03,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:03,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:03,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:03,638 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:18:03,678 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:03,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:03,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:03,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:03,685 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:03,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:03,688 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:03,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:03,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:03,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:03,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:03,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:03,693 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:03,693 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:18:03,694 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:18:03,694 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:03,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:03,694 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:03,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:03,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:03,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:03,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:03,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:03,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:03,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:03,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:03,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:03,700 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:18:03,700 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:18:03,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:03,703 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:18:03,704 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 -> 80fdea232696d0d7072a18b7d2155bee217f3385 [2019-11-24 21:18:04,216 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:04,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:04,247 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:04,250 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:04,253 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:04,254 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_15-2.c [2019-11-24 21:18:04,408 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/502a4958d/78de63ca81ca4919a276eb31be2df4ee/FLAGbad0a4080 [2019-11-24 21:18:05,442 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:05,444 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_15-2.c [2019-11-24 21:18:05,460 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/502a4958d/78de63ca81ca4919a276eb31be2df4ee/FLAGbad0a4080 [2019-11-24 21:18:05,501 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/502a4958d/78de63ca81ca4919a276eb31be2df4ee [2019-11-24 21:18:05,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:05,513 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:05,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:05,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:05,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:05,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:05" (1/1) ... [2019-11-24 21:18:05,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f8899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:05, skipping insertion in model container [2019-11-24 21:18:05,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:05" (1/1) ... [2019-11-24 21:18:05,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:05,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:06,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:06,048 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:06,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:06,099 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:06,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06 WrapperNode [2019-11-24 21:18:06,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:06,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:06,105 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:06,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:06,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:06,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:06,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:06,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:06,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:06,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:06,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:06,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:06,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:06,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:06,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:06,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:06,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:06,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:06,284 INFO L168 Benchmark]: Toolchain (without parser) took 771.89 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. [2019-11-24 21:18:06,287 INFO L168 Benchmark]: CDTParser took 2.35 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. [2019-11-24 21:18:06,288 INFO L168 Benchmark]: CACSL2BoogieTranslator took 586.67 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. [2019-11-24 21:18:06,290 INFO L168 Benchmark]: Boogie Procedure Inliner took 148.35 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: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:06,291 INFO L168 Benchmark]: Boogie Preprocessor took 26.90 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. [2019-11-24 21:18:06,312 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.35 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 586.67 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 148.35 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: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 26.90 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...