./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_15-1.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_15-1.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 e276c1695adb4f8d30ce6cf27956cb3af3968bc9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_15-1.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 e276c1695adb4f8d30ce6cf27956cb3af3968bc9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:17:56,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:17:56,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:17:56,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:17:56,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:17:56,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:17:56,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:17:56,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:17:56,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:17:56,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:17:56,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:17:56,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:17:56,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:17:56,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:17:56,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:17:56,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:17:56,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:17:56,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:17:56,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:17:56,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:17:56,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:17:56,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:17:56,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:17:56,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:17:56,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:17:56,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:17:56,281 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:17:56,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:17:56,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:17:56,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:17:56,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:17:56,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:17:56,294 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:17:56,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:17:56,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:17:56,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:17:56,304 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:17:56,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:17:56,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:17:56,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:17:56,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:17:56,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:17:56,361 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:17:56,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:17:56,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:17:56,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:17:56,375 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:17:56,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:17:56,377 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:17:56,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:17:56,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:17:56,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:17:56,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:17:56,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:17:56,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:17:56,381 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:17:56,384 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:17:56,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:17:56,385 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:17:56,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:17:56,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:17:56,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:17:56,386 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:17:56,386 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:17:56,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:17:56,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:17:56,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:17:56,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:17:56,389 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:17:56,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:17:56,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:17:56,392 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 -> e276c1695adb4f8d30ce6cf27956cb3af3968bc9 [2019-11-24 21:17:57,023 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:17:57,052 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:17:57,060 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:17:57,065 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:17:57,067 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:17:57,068 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_15-1.c [2019-11-24 21:17:57,222 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66ffcf725/a08f6c23a74e40598efa25b636ec3642/FLAG8f2e76bc0 [2019-11-24 21:17:58,285 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:17:58,289 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_15-1.c [2019-11-24 21:17:58,301 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66ffcf725/a08f6c23a74e40598efa25b636ec3642/FLAG8f2e76bc0 [2019-11-24 21:17:58,341 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66ffcf725/a08f6c23a74e40598efa25b636ec3642 [2019-11-24 21:17:58,358 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:17:58,365 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:17:58,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:17:58,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:17:58,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:17:58,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:17:58" (1/1) ... [2019-11-24 21:17:58,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b329d5a 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 21:17:58,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:17:58" (1/1) ... [2019-11-24 21:17:58,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:17:58,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:17:58,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:17:58,909 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:17:58,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:17:58,981 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:17:58,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:58 WrapperNode [2019-11-24 21:17:58,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:17:58,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:17:58,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:17:58,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:17:59,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:58" (1/1) ... [2019-11-24 21:17:59,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:58" (1/1) ... [2019-11-24 21:17:59,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:17:59,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:17:59,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:17:59,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:17:59,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:58" (1/1) ... [2019-11-24 21:17:59,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:58" (1/1) ... [2019-11-24 21:17:59,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:58" (1/1) ... [2019-11-24 21:17:59,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:58" (1/1) ... [2019-11-24 21:17:59,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:58" (1/1) ... [2019-11-24 21:17:59,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:58" (1/1) ... [2019-11-24 21:17:59,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:58" (1/1) ... [2019-11-24 21:17:59,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:17:59,212 INFO L168 Benchmark]: Toolchain (without parser) took 844.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 996.9 MB in the end (delta: -39.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:17:59,216 INFO L168 Benchmark]: CDTParser took 4.85 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 21:17:59,218 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.86 ms. Allocated memory is still 1.0 GB. Free memory was 957.4 MB in the beginning and 945.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:17:59,223 INFO L168 Benchmark]: Boogie Procedure Inliner took 170.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 945.9 MB in the beginning and 996.9 MB in the end (delta: -51.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:17:59,224 INFO L168 Benchmark]: Boogie Preprocessor took 42.06 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. [2019-11-24 21:17:59,235 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.85 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 614.86 ms. Allocated memory is still 1.0 GB. Free memory was 957.4 MB in the beginning and 945.9 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 170.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 945.9 MB in the beginning and 996.9 MB in the end (delta: -51.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 42.06 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 0.1.24-32f2683 [2019-11-24 21:18:03,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:03,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:03,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:03,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:03,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:03,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:03,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:03,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:03,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:03,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:03,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:03,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:03,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:03,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:03,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:03,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:03,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:03,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:03,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:03,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:03,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:03,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:03,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:03,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:03,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:03,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:03,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:03,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:03,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:03,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:03,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:03,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:03,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:03,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:03,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:03,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:03,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:03,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:03,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:03,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:03,421 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:18:03,462 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:03,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:03,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:03,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:03,466 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:03,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:03,469 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:03,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:03,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:03,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:03,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:03,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:03,472 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:03,472 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:18:03,474 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:18:03,474 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:03,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:03,475 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:03,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:03,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:03,477 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:03,477 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:03,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:03,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:03,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:03,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:03,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:03,481 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:18:03,481 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:18:03,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:03,484 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:18:03,484 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 -> e276c1695adb4f8d30ce6cf27956cb3af3968bc9 [2019-11-24 21:18:04,046 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:04,074 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:04,083 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:04,089 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:04,090 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:04,091 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_15-1.c [2019-11-24 21:18:04,261 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c024c5235/42ff8c40d4074a8aa42ee6613acff2da/FLAG25b8faf18 [2019-11-24 21:18:05,316 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:05,319 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_15-1.c [2019-11-24 21:18:05,338 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c024c5235/42ff8c40d4074a8aa42ee6613acff2da/FLAG25b8faf18 [2019-11-24 21:18:05,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c024c5235/42ff8c40d4074a8aa42ee6613acff2da [2019-11-24 21:18:05,388 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:05,392 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:05,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:05,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:05,404 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:05,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:05" (1/1) ... [2019-11-24 21:18:05,419 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 21:18:05,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:05" (1/1) ... [2019-11-24 21:18:05,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:05,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:05,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:05,925 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:05,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:05,983 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:05,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:05 WrapperNode [2019-11-24 21:18:05,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:06,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:06,000 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:06,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:06,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:05" (1/1) ... [2019-11-24 21:18:06,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:05" (1/1) ... [2019-11-24 21:18:06,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:06,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:06,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:06,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:06,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:05" (1/1) ... [2019-11-24 21:18:06,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:05" (1/1) ... [2019-11-24 21:18:06,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:05" (1/1) ... [2019-11-24 21:18:06,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:05" (1/1) ... [2019-11-24 21:18:06,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:05" (1/1) ... [2019-11-24 21:18:06,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:05" (1/1) ... [2019-11-24 21:18:06,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:05" (1/1) ... [2019-11-24 21:18:06,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:06,247 INFO L168 Benchmark]: Toolchain (without parser) took 851.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:06,252 INFO L168 Benchmark]: CDTParser took 1.45 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 21:18:06,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.99 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 21:18:06,259 INFO L168 Benchmark]: Boogie Procedure Inliner took 181.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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 21:18:06,264 INFO L168 Benchmark]: Boogie Preprocessor took 56.78 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 21:18:06,276 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.45 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 589.99 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 181.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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 56.78 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...