./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/nan_float.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/nan_float.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 2b1f703b8c1a340e028de77080ca419d81a34cd6 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/float-benchs/nan_float.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 2b1f703b8c1a340e028de77080ca419d81a34cd6 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:04:05,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:04:05,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:04:05,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:04:05,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:04:05,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:04:05,502 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:04:05,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:04:05,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:04:05,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:04:05,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:04:05,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:04:05,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:04:05,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:04:05,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:04:05,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:04:05,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:04:05,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:04:05,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:04:05,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:04:05,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:04:05,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:04:05,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:04:05,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:04:05,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:04:05,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:04:05,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:04:05,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:04:05,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:04:05,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:04:05,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:04:05,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:04:05,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:04:05,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:04:05,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:04:05,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:04:05,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:04:05,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:04:05,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:04:05,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:04:05,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:04:05,649 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:04:05,692 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:04:05,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:04:05,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:04:05,699 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:04:05,699 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:04:05,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:04:05,700 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:04:05,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:04:05,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:04:05,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:04:05,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:04:05,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:04:05,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:04:05,707 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:04:05,707 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:04:05,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:04:05,708 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:04:05,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:04:05,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:04:05,709 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:04:05,709 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:04:05,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:04:05,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:04:05,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:04:05,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:04:05,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:04:05,713 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:04:05,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:04:05,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:04:05,715 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 -> 2b1f703b8c1a340e028de77080ca419d81a34cd6 [2019-11-24 21:04:06,259 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:04:06,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:04:06,299 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:04:06,301 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:04:06,304 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:04:06,306 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/nan_float.c [2019-11-24 21:04:06,469 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a61ec144/43e8534fc82a41b7995b74d616bca9db/FLAG70f0e04fe [2019-11-24 21:04:07,507 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:04:07,508 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/nan_float.c [2019-11-24 21:04:07,524 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a61ec144/43e8534fc82a41b7995b74d616bca9db/FLAG70f0e04fe [2019-11-24 21:04:07,562 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a61ec144/43e8534fc82a41b7995b74d616bca9db [2019-11-24 21:04:07,570 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:04:07,574 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:04:07,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:07,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:04:07,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:04:07,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:07" (1/1) ... [2019-11-24 21:04:07,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35cd9645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:07, skipping insertion in model container [2019-11-24 21:04:07,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:07" (1/1) ... [2019-11-24 21:04:07,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:04:07,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:04:08,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:08,133 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:04:08,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:08,172 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:04:08,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08 WrapperNode [2019-11-24 21:04:08,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:08,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:08,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:04:08,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:04:08,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08" (1/1) ... [2019-11-24 21:04:08,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08" (1/1) ... [2019-11-24 21:04:08,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:08,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:04:08,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:04:08,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:04:08,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08" (1/1) ... [2019-11-24 21:04:08,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08" (1/1) ... [2019-11-24 21:04:08,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08" (1/1) ... [2019-11-24 21:04:08,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08" (1/1) ... [2019-11-24 21:04:08,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08" (1/1) ... [2019-11-24 21:04:08,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08" (1/1) ... [2019-11-24 21:04:08,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08" (1/1) ... [2019-11-24 21:04:08,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:04:08,411 INFO L168 Benchmark]: Toolchain (without parser) took 830.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.0 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:08,414 INFO L168 Benchmark]: CDTParser took 1.18 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:08,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 597.27 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:08,422 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:08,425 INFO L168 Benchmark]: Boogie Preprocessor took 48.70 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:08,438 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.18 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 597.27 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 165.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 48.70 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 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... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:04:12,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:04:12,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:04:12,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:04:12,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:04:12,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:04:12,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:04:12,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:04:12,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:04:12,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:04:12,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:04:12,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:04:12,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:04:12,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:04:12,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:04:12,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:04:12,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:04:12,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:04:12,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:04:12,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:04:12,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:04:12,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:04:12,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:04:12,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:04:12,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:04:12,441 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:04:12,441 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:04:12,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:04:12,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:04:12,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:04:12,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:04:12,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:04:12,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:04:12,457 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:04:12,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:04:12,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:04:12,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:04:12,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:04:12,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:04:12,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:04:12,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:04:12,474 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:04:12,514 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:04:12,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:04:12,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:04:12,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:04:12,522 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:04:12,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:04:12,523 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:04:12,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:04:12,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:04:12,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:04:12,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:04:12,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:04:12,529 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:04:12,529 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:04:12,530 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:04:12,530 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:04:12,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:04:12,531 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:04:12,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:04:12,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:04:12,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:04:12,535 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:04:12,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:04:12,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:04:12,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:04:12,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:04:12,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:04:12,540 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:04:12,540 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:04:12,540 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:04:12,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:04:12,542 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 -> 2b1f703b8c1a340e028de77080ca419d81a34cd6 [2019-11-24 21:04:13,144 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:04:13,172 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:04:13,179 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:04:13,182 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:04:13,188 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:04:13,189 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/nan_float.c [2019-11-24 21:04:13,349 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd49eb5c3/6f475330911544b2902c2238b8c934a2/FLAG57cf8a0ef [2019-11-24 21:04:14,380 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:04:14,383 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/nan_float.c [2019-11-24 21:04:14,400 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd49eb5c3/6f475330911544b2902c2238b8c934a2/FLAG57cf8a0ef [2019-11-24 21:04:14,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd49eb5c3/6f475330911544b2902c2238b8c934a2 [2019-11-24 21:04:14,447 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:04:14,450 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:04:14,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:14,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:04:14,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:04:14,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:14" (1/1) ... [2019-11-24 21:04:14,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fc55fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:14, skipping insertion in model container [2019-11-24 21:04:14,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:14" (1/1) ... [2019-11-24 21:04:14,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:04:14,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:04:14,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:14,989 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:04:15,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:15,061 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:04:15,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:15 WrapperNode [2019-11-24 21:04:15,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:15,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:15,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:04:15,069 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:04:15,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:15" (1/1) ... [2019-11-24 21:04:15,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:15" (1/1) ... [2019-11-24 21:04:15,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:15,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:04:15,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:04:15,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:04:15,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:15" (1/1) ... [2019-11-24 21:04:15,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:15" (1/1) ... [2019-11-24 21:04:15,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:15" (1/1) ... [2019-11-24 21:04:15,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:15" (1/1) ... [2019-11-24 21:04:15,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:15" (1/1) ... [2019-11-24 21:04:15,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:15" (1/1) ... [2019-11-24 21:04:15,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:15" (1/1) ... [2019-11-24 21:04:15,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:04:15,306 INFO L168 Benchmark]: Toolchain (without parser) took 852.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:15,312 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:15,326 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.39 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:15,331 INFO L168 Benchmark]: Boogie Procedure Inliner took 182.12 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 991.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:15,335 INFO L168 Benchmark]: Boogie Preprocessor took 51.08 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:15,347 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 610.39 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 182.12 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 991.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 51.08 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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...