./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 509859d6 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 0.1.24-509859d [2019-11-27 16:21:31,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:31,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:31,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:31,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:31,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:31,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:31,384 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:31,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:31,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:31,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:31,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:31,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:31,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:31,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:31,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:31,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:31,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:31,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:31,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:31,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:31,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:31,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:31,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:31,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:31,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:31,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:31,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:31,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:31,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:31,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:31,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:31,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:31,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:31,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:31,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:31,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:31,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:31,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:31,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:31,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:31,499 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:21:31,539 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:31,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:31,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:31,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:31,546 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:31,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:31,547 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:31,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:21:31,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:31,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:31,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:31,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:31,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:31,553 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:31,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:31,554 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:31,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:31,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:31,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:31,558 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:31,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:31,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:31,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:31,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:31,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:31,562 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:21:31,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:21:31,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:31,563 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 [2019-11-27 16:21:32,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:32,105 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:32,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:32,116 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:32,117 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:32,118 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c [2019-11-27 16:21:32,275 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fcaea924/6e2a34bb5181428ea7a42e2179051908/FLAG696476902 [2019-11-27 16:21:33,317 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:33,321 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c [2019-11-27 16:21:33,337 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fcaea924/6e2a34bb5181428ea7a42e2179051908/FLAG696476902 [2019-11-27 16:21:33,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fcaea924/6e2a34bb5181428ea7a42e2179051908 [2019-11-27 16:21:33,387 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:33,389 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:33,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:33,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:33,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:33,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:33" (1/1) ... [2019-11-27 16:21:33,414 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 27.11 04:21:33, skipping insertion in model container [2019-11-27 16:21:33,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:33" (1/1) ... [2019-11-27 16:21:33,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:33,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:33,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:33,945 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:33,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:34,029 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:34,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:34 WrapperNode [2019-11-27 16:21:34,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:34,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:34,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:34,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:34,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:34" (1/1) ... [2019-11-27 16:21:34,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:34" (1/1) ... [2019-11-27 16:21:34,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:34,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:34,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:34,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:34,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:34" (1/1) ... [2019-11-27 16:21:34,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:34" (1/1) ... [2019-11-27 16:21:34,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:34" (1/1) ... [2019-11-27 16:21:34,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:34" (1/1) ... [2019-11-27 16:21:34,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:34" (1/1) ... [2019-11-27 16:21:34,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:34" (1/1) ... [2019-11-27 16:21:34,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:34" (1/1) ... [2019-11-27 16:21:34,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:34,247 INFO L168 Benchmark]: Toolchain (without parser) took 855.13 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. [2019-11-27 16:21:34,250 INFO L168 Benchmark]: CDTParser took 1.71 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. [2019-11-27 16:21:34,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 638.28 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. [2019-11-27 16:21:34,270 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.93 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. [2019-11-27 16:21:34,272 INFO L168 Benchmark]: Boogie Preprocessor took 40.33 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. [2019-11-27 16:21:34,286 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.71 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 638.28 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 167.93 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 40.33 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 0.1.24-509859d [2019-11-27 16:21:38,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:38,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:38,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:38,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:38,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:38,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:38,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:38,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:38,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:38,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:38,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:38,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:38,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:38,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:38,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:38,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:38,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:38,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:38,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:38,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:38,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:38,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:38,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:38,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:38,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:38,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:38,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:38,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:38,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:38,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:38,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:38,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:38,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:38,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:38,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:38,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:38,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:38,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:38,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:38,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:38,214 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:21:38,255 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:38,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:38,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:38,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:38,262 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:38,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:38,264 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:38,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:38,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:38,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:38,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:38,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:38,269 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:21:38,270 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:21:38,270 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:38,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:38,271 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:38,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:38,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:38,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:38,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:38,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:38,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:38,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:38,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:38,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:38,279 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:21:38,279 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:21:38,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:38,280 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:21:38,282 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 [2019-11-27 16:21:38,953 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:38,981 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:38,990 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:38,993 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:38,995 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:38,996 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c [2019-11-27 16:21:39,148 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1c6beab4/a6c41e403026499fb7277dbb0da0fa7a/FLAG94a7204ff [2019-11-27 16:21:40,141 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:40,142 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c [2019-11-27 16:21:40,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1c6beab4/a6c41e403026499fb7277dbb0da0fa7a/FLAG94a7204ff [2019-11-27 16:21:40,327 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1c6beab4/a6c41e403026499fb7277dbb0da0fa7a [2019-11-27 16:21:40,338 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:40,341 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:40,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:40,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:40,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:40,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:40" (1/1) ... [2019-11-27 16:21:40,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d727d65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:40, skipping insertion in model container [2019-11-27 16:21:40,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:40" (1/1) ... [2019-11-27 16:21:40,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:40,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:40,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:40,902 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:40,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:40,981 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:40,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:40 WrapperNode [2019-11-27 16:21:40,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:40,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:40,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:40,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:41,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:40" (1/1) ... [2019-11-27 16:21:41,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:40" (1/1) ... [2019-11-27 16:21:41,158 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:41,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:41,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:41,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:41,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:40" (1/1) ... [2019-11-27 16:21:41,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:40" (1/1) ... [2019-11-27 16:21:41,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:40" (1/1) ... [2019-11-27 16:21:41,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:40" (1/1) ... [2019-11-27 16:21:41,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:40" (1/1) ... [2019-11-27 16:21:41,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:40" (1/1) ... [2019-11-27 16:21:41,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:40" (1/1) ... [2019-11-27 16:21:41,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:41,200 INFO L168 Benchmark]: Toolchain (without parser) took 857.39 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 991.3 MB in the end (delta: -25.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:41,201 INFO L168 Benchmark]: CDTParser took 2.46 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. [2019-11-27 16:21:41,202 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.01 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:41,205 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:41,206 INFO L168 Benchmark]: Boogie Preprocessor took 37.27 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. [2019-11-27 16:21:41,215 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.46 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 639.01 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 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 173.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 37.27 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...