./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_8-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/fibo_2calls_8-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cd6d4490a7412402195d3193de0347508566f7c8 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/fibo_2calls_8-1.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 cd6d4490a7412402195d3193de0347508566f7c8 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:12:12,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:12,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:12,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:12,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:12,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:12,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:12,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:12,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:12,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:12,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:12,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:12,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:12,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:12,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:12,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:12,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:12,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:12,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:12,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:12,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:12,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:12,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:12,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:12,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:12,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:12,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:12,507 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:12,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:12,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:12,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:12,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:12,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:12,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:12,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:12,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:12,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:12,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:12,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:12,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:12,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:12,531 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:12,574 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:12,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:12,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:12,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:12,585 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:12,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:12,585 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:12,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:12,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:12,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:12,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:12,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:12,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:12,589 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:12,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:12,591 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:12,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:12,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:12,592 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:12,592 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:12,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:12,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:12,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:12,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:12,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:12,597 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:12,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:12,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:12,598 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 -> cd6d4490a7412402195d3193de0347508566f7c8 [2019-11-26 17:12:13,136 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:13,165 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:13,171 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:13,177 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:13,178 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:13,182 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_8-1.c [2019-11-26 17:12:13,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57d735ed5/410c1977263c4c73933ae10d879e49af/FLAGc6dd42a4e [2019-11-26 17:12:14,274 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:14,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_8-1.c [2019-11-26 17:12:14,292 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57d735ed5/410c1977263c4c73933ae10d879e49af/FLAGc6dd42a4e [2019-11-26 17:12:14,460 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57d735ed5/410c1977263c4c73933ae10d879e49af [2019-11-26 17:12:14,465 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:14,467 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:14,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:14,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:14,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:14,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:14" (1/1) ... [2019-11-26 17:12:14,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad4f9b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:14, skipping insertion in model container [2019-11-26 17:12:14,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:14" (1/1) ... [2019-11-26 17:12:14,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:14,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:14,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:14,985 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:15,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:15,047 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:15,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:15 WrapperNode [2019-11-26 17:12:15,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:15,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:15,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:15,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:15,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:15" (1/1) ... [2019-11-26 17:12:15,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:15" (1/1) ... [2019-11-26 17:12:15,213 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:15,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:15,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:15,214 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:15,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:15" (1/1) ... [2019-11-26 17:12:15,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:15" (1/1) ... [2019-11-26 17:12:15,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:15" (1/1) ... [2019-11-26 17:12:15,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:15" (1/1) ... [2019-11-26 17:12:15,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:15" (1/1) ... [2019-11-26 17:12:15,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:15" (1/1) ... [2019-11-26 17:12:15,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:15" (1/1) ... [2019-11-26 17:12:15,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:15,276 INFO L168 Benchmark]: Toolchain (without parser) took 802.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 991.2 MB in the end (delta: -28.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:15,278 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. [2019-11-26 17:12:15,293 INFO L168 Benchmark]: CACSL2BoogieTranslator took 572.04 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.5 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:15,296 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.5 MB in the beginning and 1.0 GB in the end (delta: -51.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:15,300 INFO L168 Benchmark]: Boogie Preprocessor took 53.25 ms. Allocated memory is still 1.0 GB. Free memory was 1.0 GB in the beginning and 991.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:15,311 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 572.04 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.5 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 157.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.5 MB in the beginning and 1.0 GB in the end (delta: -51.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 53.25 ms. Allocated memory is still 1.0 GB. Free memory was 1.0 GB in the beginning and 991.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:12:19,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:19,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:19,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:19,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:19,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:19,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:19,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:19,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:19,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:19,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:19,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:19,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:19,243 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:19,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:19,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:19,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:19,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:19,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:19,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:19,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:19,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:19,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:19,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:19,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:19,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:19,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:19,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:19,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:19,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:19,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:19,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:19,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:19,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:19,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:19,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:19,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:19,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:19,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:19,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:19,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:19,330 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:19,371 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:19,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:19,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:19,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:19,378 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:19,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:19,378 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:19,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:19,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:19,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:19,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:19,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:19,385 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:19,386 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:19,386 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:19,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:19,387 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:19,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:19,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:19,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:19,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:19,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:19,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:19,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:19,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:19,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:19,397 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:19,397 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:19,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:19,398 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:19,399 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 -> cd6d4490a7412402195d3193de0347508566f7c8 [2019-11-26 17:12:19,923 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:19,952 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:19,961 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:19,963 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:19,965 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:19,966 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_8-1.c [2019-11-26 17:12:20,115 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f0c778dd/9420aae1920547038f9dfa8ddb115474/FLAGfe7d28adb [2019-11-26 17:12:21,123 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:21,125 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_8-1.c [2019-11-26 17:12:21,139 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f0c778dd/9420aae1920547038f9dfa8ddb115474/FLAGfe7d28adb [2019-11-26 17:12:21,413 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f0c778dd/9420aae1920547038f9dfa8ddb115474 [2019-11-26 17:12:21,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:21,429 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:21,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:21,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:21,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:21,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:21" (1/1) ... [2019-11-26 17:12:21,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2802928b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:21, skipping insertion in model container [2019-11-26 17:12:21,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:21" (1/1) ... [2019-11-26 17:12:21,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:21,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:21,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:21,934 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:21,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:22,001 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:22,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:22 WrapperNode [2019-11-26 17:12:22,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:22,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:22,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:22,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:22,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:22" (1/1) ... [2019-11-26 17:12:22,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:22" (1/1) ... [2019-11-26 17:12:22,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:22,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:22,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:22,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:22,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:22" (1/1) ... [2019-11-26 17:12:22,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:22" (1/1) ... [2019-11-26 17:12:22,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:22" (1/1) ... [2019-11-26 17:12:22,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:22" (1/1) ... [2019-11-26 17:12:22,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:22" (1/1) ... [2019-11-26 17:12:22,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:22" (1/1) ... [2019-11-26 17:12:22,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:22" (1/1) ... [2019-11-26 17:12:22,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:22,233 INFO L168 Benchmark]: Toolchain (without parser) took 789.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 991.2 MB in the end (delta: -25.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:22,236 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:22,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.82 ms. Allocated memory is still 1.0 GB. Free memory was 965.9 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:22,243 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.70 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 991.2 MB in the end (delta: -36.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:22,244 INFO L168 Benchmark]: Boogie Preprocessor took 44.97 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. [2019-11-26 17:12:22,256 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 570.82 ms. Allocated memory is still 1.0 GB. Free memory was 965.9 MB in the beginning and 954.5 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 158.70 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 991.2 MB in the end (delta: -36.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 44.97 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...