./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_10-2.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_2calls_10-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7b225e80ee922ecd6d28f97f9a97339f737a7de4 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_10-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7b225e80ee922ecd6d28f97f9a97339f737a7de4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:04:42,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:04:42,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:04:42,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:04:42,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:04:42,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:04:42,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:04:42,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:04:42,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:04:42,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:04:42,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:04:42,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:04:42,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:04:42,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:04:42,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:04:42,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:04:42,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:04:42,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:04:42,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:04:42,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:04:42,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:04:42,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:04:42,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:04:42,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:04:42,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:04:42,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:04:42,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:04:42,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:04:42,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:04:42,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:04:42,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:04:42,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:04:42,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:04:42,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:04:42,502 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:04:42,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:04:42,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:04:42,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:04:42,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:04:42,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:04:42,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:04:42,517 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:04:42,559 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:04:42,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:04:42,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:04:42,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:04:42,565 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:04:42,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:04:42,569 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:04:42,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:04:42,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:04:42,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:04:42,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:04:42,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:04:42,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:04:42,572 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:04:42,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:04:42,575 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:04:42,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:04:42,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:04:42,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:04:42,576 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:04:42,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:04:42,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:04:42,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:04:42,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:04:42,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:04:42,580 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:04:42,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:04:42,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:04:42,582 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 -> 7b225e80ee922ecd6d28f97f9a97339f737a7de4 [2019-11-25 23:04:43,197 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:04:43,219 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:04:43,225 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:04:43,229 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:04:43,229 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:04:43,230 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_10-2.c [2019-11-25 23:04:43,380 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b7916bf8/d398404f812649ee9f9807ea44fde7ae/FLAG397103765 [2019-11-25 23:04:44,482 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:04:44,485 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_10-2.c [2019-11-25 23:04:44,503 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b7916bf8/d398404f812649ee9f9807ea44fde7ae/FLAG397103765 [2019-11-25 23:04:44,530 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b7916bf8/d398404f812649ee9f9807ea44fde7ae [2019-11-25 23:04:44,537 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:04:44,540 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:04:44,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:44,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:04:44,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:04:44,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:44" (1/1) ... [2019-11-25 23:04:44,557 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 25.11 11:04:44, skipping insertion in model container [2019-11-25 23:04:44,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:44" (1/1) ... [2019-11-25 23:04:44,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:04:44,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:04:45,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:45,015 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:04:45,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:45,075 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:04:45,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:45 WrapperNode [2019-11-25 23:04:45,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:45,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:45,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:04:45,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:04:45,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:45" (1/1) ... [2019-11-25 23:04:45,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:45" (1/1) ... [2019-11-25 23:04:45,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:45,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:04:45,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:04:45,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:04:45,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:45" (1/1) ... [2019-11-25 23:04:45,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:45" (1/1) ... [2019-11-25 23:04:45,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:45" (1/1) ... [2019-11-25 23:04:45,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:45" (1/1) ... [2019-11-25 23:04:45,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:45" (1/1) ... [2019-11-25 23:04:45,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:45" (1/1) ... [2019-11-25 23:04:45,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:45" (1/1) ... [2019-11-25 23:04:45,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:04:45,309 INFO L168 Benchmark]: Toolchain (without parser) took 750.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.0 MB in the end (delta: -23.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:04:45,310 INFO L168 Benchmark]: CDTParser took 0.23 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. [2019-11-25 23:04:45,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 535.26 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 23:04:45,319 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.8 MB in the end (delta: -40.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. [2019-11-25 23:04:45,321 INFO L168 Benchmark]: Boogie Preprocessor took 40.34 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:04:45,331 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 535.26 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 162.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.8 MB in the end (delta: -40.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 40.34 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 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... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:04:49,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:04:49,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:04:49,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:04:49,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:04:49,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:04:49,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:04:49,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:04:49,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:04:49,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:04:49,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:04:49,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:04:49,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:04:49,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:04:49,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:04:49,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:04:49,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:04:49,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:04:49,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:04:49,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:04:49,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:04:49,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:04:49,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:04:49,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:04:49,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:04:49,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:04:49,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:04:49,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:04:49,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:04:49,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:04:49,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:04:49,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:04:49,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:04:49,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:04:49,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:04:49,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:04:49,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:04:49,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:04:49,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:04:49,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:04:49,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:04:49,315 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:04:49,356 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:04:49,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:04:49,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:04:49,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:04:49,363 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:04:49,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:04:49,365 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:04:49,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:04:49,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:04:49,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:04:49,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:04:49,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:04:49,371 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:04:49,371 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:04:49,372 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:04:49,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:04:49,372 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:04:49,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:04:49,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:04:49,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:04:49,376 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:04:49,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:04:49,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:04:49,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:04:49,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:04:49,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:04:49,380 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:04:49,381 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:04:49,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:04:49,381 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:04:49,383 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 -> 7b225e80ee922ecd6d28f97f9a97339f737a7de4 [2019-11-25 23:04:49,946 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:04:49,982 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:04:49,990 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:04:49,992 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:04:49,997 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:04:49,999 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_10-2.c [2019-11-25 23:04:50,161 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/444d0ec38/9e62321bbeb74c04879ce121b93f33cd/FLAGf1d508fe4 [2019-11-25 23:04:51,201 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:04:51,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_10-2.c [2019-11-25 23:04:51,216 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/444d0ec38/9e62321bbeb74c04879ce121b93f33cd/FLAGf1d508fe4 [2019-11-25 23:04:51,257 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/444d0ec38/9e62321bbeb74c04879ce121b93f33cd [2019-11-25 23:04:51,266 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:04:51,271 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:04:51,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:51,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:04:51,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:04:51,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:51" (1/1) ... [2019-11-25 23:04:51,294 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 11:04:51, skipping insertion in model container [2019-11-25 23:04:51,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:51" (1/1) ... [2019-11-25 23:04:51,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:04:51,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:04:51,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:51,772 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:04:51,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:51,826 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:04:51,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:51 WrapperNode [2019-11-25 23:04:51,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:51,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:51,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:04:51,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:04:51,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:51" (1/1) ... [2019-11-25 23:04:51,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:51" (1/1) ... [2019-11-25 23:04:52,002 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:52,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:04:52,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:04:52,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:04:52,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:51" (1/1) ... [2019-11-25 23:04:52,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:51" (1/1) ... [2019-11-25 23:04:52,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:51" (1/1) ... [2019-11-25 23:04:52,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:51" (1/1) ... [2019-11-25 23:04:52,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:51" (1/1) ... [2019-11-25 23:04:52,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:51" (1/1) ... [2019-11-25 23:04:52,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:51" (1/1) ... [2019-11-25 23:04:52,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:04:52,079 INFO L168 Benchmark]: Toolchain (without parser) took 801.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:04:52,082 INFO L168 Benchmark]: CDTParser took 0.36 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 23:04:52,084 INFO L168 Benchmark]: CACSL2BoogieTranslator took 554.01 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 23:04:52,089 INFO L168 Benchmark]: Boogie Procedure Inliner took 160.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 23:04:52,092 INFO L168 Benchmark]: Boogie Preprocessor took 66.52 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:04:52,104 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 554.01 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 160.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 66.52 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 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...