./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.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 270febbf0dbfd2a8201149cf361e4abcb386583d ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_15-2.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 270febbf0dbfd2a8201149cf361e4abcb386583d ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:12:04,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:04,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:04,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:04,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:04,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:04,317 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:04,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:04,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:04,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:04,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:04,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:04,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:04,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:04,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:04,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:04,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:04,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:04,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:04,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:04,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:04,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:04,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:04,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:04,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:04,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:04,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:04,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:04,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:04,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:04,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:04,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:04,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:04,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:04,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:04,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:04,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:04,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:04,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:04,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:04,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:04,406 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:04,433 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:04,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:04,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:04,439 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:04,439 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:04,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:04,440 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:04,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:04,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:04,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:04,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:04,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:04,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:04,445 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:04,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:04,446 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:04,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:04,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:04,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:04,447 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:04,447 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:04,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:04,447 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:04,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:04,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:04,448 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:04,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:04,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:04,450 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 -> 270febbf0dbfd2a8201149cf361e4abcb386583d [2019-11-26 17:12:04,912 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:04,930 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:04,936 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:04,937 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:04,941 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:04,942 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c [2019-11-26 17:12:05,045 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/122d1bce3/4c99158e72ac442f976daaf209cdcb9e/FLAGffde5072b [2019-11-26 17:12:05,730 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:05,732 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c [2019-11-26 17:12:05,751 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/122d1bce3/4c99158e72ac442f976daaf209cdcb9e/FLAGffde5072b [2019-11-26 17:12:06,092 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/122d1bce3/4c99158e72ac442f976daaf209cdcb9e [2019-11-26 17:12:06,100 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:06,102 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:06,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:06,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:06,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:06,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:06" (1/1) ... [2019-11-26 17:12:06,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@489f1e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:06, skipping insertion in model container [2019-11-26 17:12:06,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:06" (1/1) ... [2019-11-26 17:12:06,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:06,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:06,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:06,519 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:06,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:06,571 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:06,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:06 WrapperNode [2019-11-26 17:12:06,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:06,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:06,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:06,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:06,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:06" (1/1) ... [2019-11-26 17:12:06,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:06" (1/1) ... [2019-11-26 17:12:06,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:06,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:06,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:06,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:06,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:06" (1/1) ... [2019-11-26 17:12:06,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:06" (1/1) ... [2019-11-26 17:12:06,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:06" (1/1) ... [2019-11-26 17:12:06,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:06" (1/1) ... [2019-11-26 17:12:06,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:06" (1/1) ... [2019-11-26 17:12:06,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:06" (1/1) ... [2019-11-26 17:12:06,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:06" (1/1) ... [2019-11-26 17:12:06,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:06,724 INFO L168 Benchmark]: Toolchain (without parser) took 605.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.0 MB in the end (delta: -30.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:06,725 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:06,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 467.07 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:06,731 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 996.8 MB in the end (delta: -48.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:06,732 INFO L168 Benchmark]: Boogie Preprocessor took 31.40 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. [2019-11-26 17:12:06,740 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 467.07 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 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 95.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 996.8 MB in the end (delta: -48.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 31.40 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 0.1.24-025d5a2 [2019-11-26 17:12:09,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:09,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:09,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:09,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:09,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:09,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:09,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:09,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:09,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:09,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:09,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:09,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:09,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:09,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:09,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:09,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:09,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:09,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:09,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:09,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:09,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:09,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:09,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:09,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:09,513 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:09,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:09,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:09,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:09,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:09,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:09,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:09,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:09,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:09,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:09,525 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:09,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:09,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:09,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:09,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:09,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:09,536 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:09,560 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:09,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:09,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:09,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:09,567 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:09,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:09,567 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:09,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:09,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:09,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:09,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:09,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:09,569 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:09,572 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:09,572 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:09,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:09,573 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:09,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:09,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:09,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:09,574 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:09,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:09,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:09,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:09,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:09,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:09,577 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:09,577 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:09,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:09,578 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:09,579 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 -> 270febbf0dbfd2a8201149cf361e4abcb386583d [2019-11-26 17:12:10,008 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:10,025 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:10,028 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:10,031 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:10,035 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:10,036 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c [2019-11-26 17:12:10,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccba4afd7/5775d9e8cdc94e73a890ab1454c3caf9/FLAGcde36ff48 [2019-11-26 17:12:10,848 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:10,849 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c [2019-11-26 17:12:10,859 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccba4afd7/5775d9e8cdc94e73a890ab1454c3caf9/FLAGcde36ff48 [2019-11-26 17:12:11,158 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccba4afd7/5775d9e8cdc94e73a890ab1454c3caf9 [2019-11-26 17:12:11,164 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:11,166 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:11,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:11,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:11,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:11,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2802928b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11, skipping insertion in model container [2019-11-26 17:12:11,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:11,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:11,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:11,515 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:11,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:11,547 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:11,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11 WrapperNode [2019-11-26 17:12:11,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:11,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:11,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:11,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:11,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,633 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:11,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:11,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:11,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:11,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:11,700 INFO L168 Benchmark]: Toolchain (without parser) took 518.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 991.3 MB in the end (delta: -28.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:11,701 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:11,702 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.48 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:11,704 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.7 MB in the beginning and 997.0 MB in the end (delta: -45.4 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:11,705 INFO L168 Benchmark]: Boogie Preprocessor took 28.03 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:11,716 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 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 381.48 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.7 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 100.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.7 MB in the beginning and 997.0 MB in the end (delta: -45.4 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 28.03 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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...