./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_7-2.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_7-2.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 16ceff9c26892934dc007d0ff3b64a1ad7cbb0e9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_7-2.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 16ceff9c26892934dc007d0ff3b64a1ad7cbb0e9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:12:14,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:14,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:14,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:14,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:14,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:14,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:14,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:14,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:14,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:14,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:14,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:14,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:14,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:14,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:14,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:14,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:14,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:14,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:14,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:14,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:14,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:14,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:14,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:14,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:14,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:14,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:14,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:14,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:14,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:14,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:14,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:14,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:14,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:14,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:14,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:14,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:14,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:14,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:14,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:14,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:14,623 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:14,663 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:14,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:14,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:14,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:14,669 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:14,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:14,672 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:14,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:14,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:14,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:14,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:14,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:14,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:14,677 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:14,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:14,679 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:14,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:14,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:14,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:14,680 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:14,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:14,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:14,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:14,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:14,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:14,683 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:14,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:14,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:14,685 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 -> 16ceff9c26892934dc007d0ff3b64a1ad7cbb0e9 [2019-11-26 17:12:15,265 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:15,295 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:15,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:15,306 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:15,310 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:15,312 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_7-2.c [2019-11-26 17:12:15,468 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d08f0eb26/df1dc4a3907e4b7b9818c1e04fc6d6cd/FLAGd4802795d [2019-11-26 17:12:16,496 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:16,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_7-2.c [2019-11-26 17:12:16,522 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d08f0eb26/df1dc4a3907e4b7b9818c1e04fc6d6cd/FLAGd4802795d [2019-11-26 17:12:16,560 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d08f0eb26/df1dc4a3907e4b7b9818c1e04fc6d6cd [2019-11-26 17:12:16,570 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:16,572 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:16,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:16,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:16,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:16,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:16" (1/1) ... [2019-11-26 17:12:16,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33138635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:16, skipping insertion in model container [2019-11-26 17:12:16,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:16" (1/1) ... [2019-11-26 17:12:16,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:16,658 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:17,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:17,089 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:17,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:17,161 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:17,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:17 WrapperNode [2019-11-26 17:12:17,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:17,168 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:17,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:17,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:17,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:17" (1/1) ... [2019-11-26 17:12:17,203 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:17" (1/1) ... [2019-11-26 17:12:17,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:17,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:17,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:17,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:17,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:17" (1/1) ... [2019-11-26 17:12:17,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:17" (1/1) ... [2019-11-26 17:12:17,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:17" (1/1) ... [2019-11-26 17:12:17,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:17" (1/1) ... [2019-11-26 17:12:17,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:17" (1/1) ... [2019-11-26 17:12:17,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:17" (1/1) ... [2019-11-26 17:12:17,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:17" (1/1) ... [2019-11-26 17:12:17,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:17,392 INFO L168 Benchmark]: Toolchain (without parser) took 814.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:17,397 INFO L168 Benchmark]: CDTParser took 0.32 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 17:12:17,398 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.90 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. [2019-11-26 17:12:17,399 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.45 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:17,404 INFO L168 Benchmark]: Boogie Preprocessor took 131.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:17,415 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 589.90 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 83.45 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 131.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:12:21,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:21,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:21,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:21,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:21,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:21,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:21,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:21,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:21,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:21,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:21,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:21,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:21,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:21,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:21,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:21,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:21,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:21,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:21,424 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:21,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:21,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:21,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:21,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:21,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:21,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:21,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:21,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:21,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:21,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:21,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:21,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:21,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:21,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:21,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:21,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:21,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:21,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:21,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:21,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:21,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:21,486 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:21,527 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:21,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:21,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:21,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:21,533 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:21,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:21,536 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:21,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:21,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:21,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:21,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:21,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:21,539 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:21,541 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:21,542 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:21,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:21,542 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:21,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:21,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:21,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:21,546 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:21,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:21,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:21,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:21,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:21,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:21,548 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:21,548 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:21,551 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:21,551 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:21,552 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 -> 16ceff9c26892934dc007d0ff3b64a1ad7cbb0e9 [2019-11-26 17:12:22,101 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:22,133 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:22,136 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:22,142 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:22,145 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:22,147 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_7-2.c [2019-11-26 17:12:22,301 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/728affabb/8a671a77c51e471f8f892e88d725b553/FLAG34bf1aabf [2019-11-26 17:12:23,275 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:23,278 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_7-2.c [2019-11-26 17:12:23,296 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/728affabb/8a671a77c51e471f8f892e88d725b553/FLAG34bf1aabf [2019-11-26 17:12:23,465 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/728affabb/8a671a77c51e471f8f892e88d725b553 [2019-11-26 17:12:23,474 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:23,480 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:23,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:23,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:23,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:23,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:23" (1/1) ... [2019-11-26 17:12:23,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad4f9b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:23, skipping insertion in model container [2019-11-26 17:12:23,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:23" (1/1) ... [2019-11-26 17:12:23,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:23,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:24,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:24,023 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:24,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:24,101 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:24,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:24 WrapperNode [2019-11-26 17:12:24,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:24,105 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:24,105 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:24,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:24,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:24" (1/1) ... [2019-11-26 17:12:24,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:24" (1/1) ... [2019-11-26 17:12:24,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:24,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:24,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:24,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:24,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:24" (1/1) ... [2019-11-26 17:12:24,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:24" (1/1) ... [2019-11-26 17:12:24,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:24" (1/1) ... [2019-11-26 17:12:24,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:24" (1/1) ... [2019-11-26 17:12:24,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:24" (1/1) ... [2019-11-26 17:12:24,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:24" (1/1) ... [2019-11-26 17:12:24,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:24" (1/1) ... [2019-11-26 17:12:24,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:24,348 INFO L168 Benchmark]: Toolchain (without parser) took 853.90 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 996.9 MB in the end (delta: -36.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:24,350 INFO L168 Benchmark]: CDTParser took 0.41 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 17:12:24,352 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.99 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:24,357 INFO L168 Benchmark]: Boogie Procedure Inliner took 180.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.6 MB in the beginning and 996.9 MB in the end (delta: -48.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:24,358 INFO L168 Benchmark]: Boogie Preprocessor took 45.17 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:24,368 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 618.99 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 180.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.6 MB in the beginning and 996.9 MB in the end (delta: -48.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 45.17 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...