./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_20-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/fibo_20-1.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 cea72d4d3a1fecd3ec62f7958af7c737a208f292 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_20-1.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 cea72d4d3a1fecd3ec62f7958af7c737a208f292 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:04:37,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:04:37,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:04:37,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:04:37,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:04:37,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:04:37,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:04:37,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:04:37,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:04:37,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:04:37,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:04:37,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:04:37,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:04:37,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:04:37,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:04:37,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:04:37,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:04:37,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:04:37,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:04:37,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:04:37,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:04:37,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:04:37,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:04:37,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:04:37,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:04:37,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:04:37,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:04:37,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:04:37,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:04:37,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:04:37,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:04:37,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:04:37,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:04:37,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:04:37,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:04:37,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:04:37,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:04:37,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:04:37,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:04:37,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:04:37,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:04:37,353 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:04:37,395 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:04:37,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:04:37,402 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:04:37,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:04:37,404 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:04:37,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:04:37,406 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:04:37,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:04:37,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:04:37,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:04:37,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:04:37,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:04:37,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:04:37,414 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:04:37,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:04:37,414 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:04:37,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:04:37,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:04:37,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:04:37,416 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:04:37,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:04:37,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:04:37,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:04:37,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:04:37,420 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:04:37,420 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:04:37,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:04:37,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:04:37,421 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 -> cea72d4d3a1fecd3ec62f7958af7c737a208f292 [2019-11-25 23:04:37,965 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:04:37,994 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:04:38,003 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:04:38,007 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:04:38,008 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:04:38,009 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_20-1.c [2019-11-25 23:04:38,161 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fbda66d2/1a10aa146f0b4f44af08d6b6735c3791/FLAG36cc0c2a6 [2019-11-25 23:04:39,206 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:04:39,209 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_20-1.c [2019-11-25 23:04:39,228 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fbda66d2/1a10aa146f0b4f44af08d6b6735c3791/FLAG36cc0c2a6 [2019-11-25 23:04:39,264 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fbda66d2/1a10aa146f0b4f44af08d6b6735c3791 [2019-11-25 23:04:39,272 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:04:39,276 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:04:39,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:39,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:04:39,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:04:39,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:39" (1/1) ... [2019-11-25 23:04:39,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e551884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:39, skipping insertion in model container [2019-11-25 23:04:39,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:39" (1/1) ... [2019-11-25 23:04:39,321 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:04:39,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:04:39,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:39,769 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:04:39,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:39,833 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:04:39,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:39 WrapperNode [2019-11-25 23:04:39,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:39,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:39,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:04:39,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:04:39,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:39" (1/1) ... [2019-11-25 23:04:39,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:39" (1/1) ... [2019-11-25 23:04:39,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:39,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:04:39,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:04:39,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:04:40,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:39" (1/1) ... [2019-11-25 23:04:40,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:39" (1/1) ... [2019-11-25 23:04:40,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:39" (1/1) ... [2019-11-25 23:04:40,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:39" (1/1) ... [2019-11-25 23:04:40,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:39" (1/1) ... [2019-11-25 23:04:40,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:39" (1/1) ... [2019-11-25 23:04:40,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:39" (1/1) ... [2019-11-25 23:04:40,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:04:40,034 INFO L168 Benchmark]: Toolchain (without parser) took 755.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 23:04:40,035 INFO L168 Benchmark]: CDTParser took 2.96 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:04:40,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 556.59 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 23:04:40,047 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.67 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:04:40,051 INFO L168 Benchmark]: Boogie Preprocessor took 129.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-25 23:04:40,064 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.96 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 556.59 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 53.67 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 129.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:04:43,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:04:43,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:04:44,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:04:44,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:04:44,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:04:44,037 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:04:44,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:04:44,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:04:44,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:04:44,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:04:44,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:04:44,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:04:44,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:04:44,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:04:44,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:04:44,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:04:44,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:04:44,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:04:44,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:04:44,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:04:44,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:04:44,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:04:44,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:04:44,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:04:44,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:04:44,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:04:44,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:04:44,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:04:44,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:04:44,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:04:44,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:04:44,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:04:44,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:04:44,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:04:44,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:04:44,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:04:44,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:04:44,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:04:44,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:04:44,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:04:44,191 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:04:44,233 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:04:44,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:04:44,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:04:44,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:04:44,242 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:04:44,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:04:44,243 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:04:44,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:04:44,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:04:44,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:04:44,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:04:44,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:04:44,247 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:04:44,247 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:04:44,248 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:04:44,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:04:44,248 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:04:44,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:04:44,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:04:44,250 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:04:44,252 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:04:44,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:04:44,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:04:44,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:04:44,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:04:44,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:04:44,256 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:04:44,256 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:04:44,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:04:44,257 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:04:44,260 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 -> cea72d4d3a1fecd3ec62f7958af7c737a208f292 [2019-11-25 23:04:44,804 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:04:44,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:04:44,837 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:04:44,843 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:04:44,844 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:04:44,845 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_20-1.c [2019-11-25 23:04:45,005 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecee6be43/431cb69a818349b3a4fcfd829a48fc9f/FLAGc575dec78 [2019-11-25 23:04:46,024 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:04:46,026 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_20-1.c [2019-11-25 23:04:46,048 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecee6be43/431cb69a818349b3a4fcfd829a48fc9f/FLAGc575dec78 [2019-11-25 23:04:46,085 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecee6be43/431cb69a818349b3a4fcfd829a48fc9f [2019-11-25 23:04:46,094 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:04:46,096 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:04:46,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:46,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:04:46,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:04:46,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:46" (1/1) ... [2019-11-25 23:04:46,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6404b3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:46, skipping insertion in model container [2019-11-25 23:04:46,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:46" (1/1) ... [2019-11-25 23:04:46,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:04:46,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:04:46,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:46,628 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:04:46,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:46,701 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:04:46,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:46 WrapperNode [2019-11-25 23:04:46,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:46,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:46,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:04:46,708 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:04:46,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:46" (1/1) ... [2019-11-25 23:04:46,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:46" (1/1) ... [2019-11-25 23:04:46,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:46,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:04:46,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:04:46,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:04:46,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:46" (1/1) ... [2019-11-25 23:04:46,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:46" (1/1) ... [2019-11-25 23:04:46,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:46" (1/1) ... [2019-11-25 23:04:46,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:46" (1/1) ... [2019-11-25 23:04:46,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:46" (1/1) ... [2019-11-25 23:04:46,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:46" (1/1) ... [2019-11-25 23:04:46,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:46" (1/1) ... [2019-11-25 23:04:46,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:04:46,984 INFO L168 Benchmark]: Toolchain (without parser) took 881.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:04:46,987 INFO L168 Benchmark]: CDTParser took 2.44 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:04:46,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.49 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 23:04:46,994 INFO L168 Benchmark]: Boogie Procedure Inliner took 215.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-25 23:04:46,995 INFO L168 Benchmark]: Boogie Preprocessor took 51.87 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:04:47,007 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.44 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 602.49 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 215.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 51.87 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...