./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_4-1.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_2calls_4-1.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 ffdaeeffc8c5fdb555812137dbba1199bd1a626d ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_4-1.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 ffdaeeffc8c5fdb555812137dbba1199bd1a626d .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:18:04,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:04,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:04,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:04,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:04,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:04,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:04,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:04,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:04,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:04,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:04,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:04,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:04,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:04,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:04,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:04,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:04,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:04,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:04,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:04,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:04,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:04,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:04,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:04,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:04,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:04,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:04,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:04,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:04,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:04,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:04,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:04,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:04,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:04,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:04,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:04,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:04,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:04,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:04,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:04,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:04,298 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:18:04,336 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:04,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:04,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:04,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:04,346 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:04,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:04,348 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:04,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:18:04,348 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:04,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:04,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:04,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:04,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:04,354 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:04,354 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:04,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:04,355 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:04,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:04,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:04,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:04,358 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:04,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:04,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:04,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:04,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:04,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:04,360 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:18:04,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:18:04,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:04,361 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 -> ffdaeeffc8c5fdb555812137dbba1199bd1a626d [2019-11-24 21:18:05,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:05,026 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:05,033 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:05,036 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:05,040 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:05,041 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_4-1.c [2019-11-24 21:18:05,194 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/207e541ac/cdfbec0115ca44ffbf02f3bfb7f35068/FLAGea73846da [2019-11-24 21:18:06,176 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:06,177 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_4-1.c [2019-11-24 21:18:06,194 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/207e541ac/cdfbec0115ca44ffbf02f3bfb7f35068/FLAGea73846da [2019-11-24 21:18:06,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/207e541ac/cdfbec0115ca44ffbf02f3bfb7f35068 [2019-11-24 21:18:06,383 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:06,385 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:06,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:06,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:06,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:06,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:06,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730d4db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06, skipping insertion in model container [2019-11-24 21:18:06,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:06,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:06,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:06,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:06,894 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:06,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:06,966 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:06,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06 WrapperNode [2019-11-24 21:18:06,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:06,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:06,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:06,974 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:06,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:06,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:07,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:07,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:07,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:07,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:07,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:07,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:07,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:07,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:07,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:07,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:07,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:07,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:07,153 INFO L168 Benchmark]: Toolchain (without parser) took 761.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.2 MB in the end (delta: -25.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:07,154 INFO L168 Benchmark]: CDTParser took 0.83 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. [2019-11-24 21:18:07,168 INFO L168 Benchmark]: CACSL2BoogieTranslator took 572.70 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.4 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:07,175 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.4 MB in the beginning and 1.0 GB in the end (delta: -48.2 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:07,177 INFO L168 Benchmark]: Boogie Preprocessor took 51.59 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. [2019-11-24 21:18:07,187 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 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 572.70 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.4 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 123.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.4 MB in the beginning and 1.0 GB in the end (delta: -48.2 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 51.59 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 0.1.24-32f2683 [2019-11-24 21:18:11,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:11,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:11,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:11,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:11,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:11,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:11,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:11,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:11,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:11,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:11,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:11,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:11,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:11,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:11,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:11,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:11,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:11,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:11,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:11,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:11,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:11,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:11,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:11,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:11,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:11,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:11,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:11,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:11,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:11,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:11,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:11,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:11,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:11,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:11,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:11,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:11,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:11,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:11,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:11,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:11,195 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:18:11,233 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:11,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:11,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:11,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:11,242 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:11,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:11,245 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:11,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:11,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:11,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:11,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:11,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:11,248 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:11,250 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:18:11,251 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:18:11,251 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:11,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:11,251 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:11,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:11,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:11,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:11,256 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:11,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:11,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:11,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:11,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:11,258 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:11,258 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:18:11,259 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:18:11,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:11,260 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:18:11,260 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 -> ffdaeeffc8c5fdb555812137dbba1199bd1a626d [2019-11-24 21:18:11,784 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:11,814 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:11,821 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:11,824 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:11,827 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:11,828 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_4-1.c [2019-11-24 21:18:11,983 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bca4eb88c/77620aabdf804d68b74faacf3dcaa531/FLAG7a5d725f4 [2019-11-24 21:18:12,904 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:12,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_4-1.c [2019-11-24 21:18:12,936 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bca4eb88c/77620aabdf804d68b74faacf3dcaa531/FLAG7a5d725f4 [2019-11-24 21:18:13,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bca4eb88c/77620aabdf804d68b74faacf3dcaa531 [2019-11-24 21:18:13,125 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:13,132 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:13,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:13,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:13,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:13,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:13" (1/1) ... [2019-11-24 21:18:13,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730d4db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:13, skipping insertion in model container [2019-11-24 21:18:13,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:13" (1/1) ... [2019-11-24 21:18:13,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:13,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:13,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:13,657 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:13,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:13,734 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:13,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:13 WrapperNode [2019-11-24 21:18:13,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:13,738 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:13,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:13,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:13,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:13" (1/1) ... [2019-11-24 21:18:13,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:13" (1/1) ... [2019-11-24 21:18:13,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:13,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:13,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:13,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:13,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:13" (1/1) ... [2019-11-24 21:18:13,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:13" (1/1) ... [2019-11-24 21:18:13,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:13" (1/1) ... [2019-11-24 21:18:13,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:13" (1/1) ... [2019-11-24 21:18:13,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:13" (1/1) ... [2019-11-24 21:18:13,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:13" (1/1) ... [2019-11-24 21:18:13,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:13" (1/1) ... [2019-11-24 21:18:13,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:13,985 INFO L168 Benchmark]: Toolchain (without parser) took 849.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:13,989 INFO L168 Benchmark]: CDTParser took 2.37 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 21:18:13,993 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.39 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:13,996 INFO L168 Benchmark]: Boogie Procedure Inliner took 170.54 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 997.2 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:13,998 INFO L168 Benchmark]: Boogie Preprocessor took 66.50 ms. Allocated memory is still 1.0 GB. Free memory was 997.2 MB in the beginning and 991.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:14,009 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.37 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 602.39 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 170.54 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 997.2 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 66.50 ms. Allocated memory is still 1.0 GB. Free memory was 997.2 MB in the beginning and 991.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...