./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0220a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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-newlib/float_req_bl_0220a.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 682b07bf6ffc026899205938833336bc7ee9550f .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-newlib/float_req_bl_0220a.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 682b07bf6ffc026899205938833336bc7ee9550f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:47:05,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:47:05,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:47:05,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:47:05,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:47:05,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:47:05,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:47:05,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:47:05,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:47:05,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:47:05,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:47:05,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:47:05,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:47:05,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:47:05,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:47:05,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:47:05,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:47:05,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:47:05,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:47:05,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:47:05,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:47:05,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:47:05,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:47:05,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:47:05,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:47:05,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:47:05,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:47:05,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:47:05,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:47:05,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:47:05,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:47:05,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:47:05,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:47:05,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:47:05,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:47:05,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:47:05,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:47:05,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:47:05,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:47:05,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:47:05,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:47:05,605 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:47:05,647 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:47:05,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:47:05,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:47:05,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:47:05,653 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:47:05,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:47:05,654 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:47:05,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:47:05,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:47:05,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:47:05,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:47:05,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:47:05,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:47:05,661 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:47:05,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:47:05,662 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:47:05,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:47:05,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:47:05,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:47:05,663 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:47:05,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:47:05,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:47:05,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:47:05,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:47:05,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:47:05,669 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:47:05,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:47:05,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:47:05,670 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 -> 682b07bf6ffc026899205938833336bc7ee9550f [2019-11-27 09:47:06,231 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:47:06,260 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:47:06,268 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:47:06,271 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:47:06,276 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:47:06,277 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0220a.c [2019-11-27 09:47:06,431 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/212a597ba/16a08cf5e92641549a684f5d1fd3ff0f/FLAG0854dca06 [2019-11-27 09:47:07,656 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:47:07,661 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0220a.c [2019-11-27 09:47:07,694 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/212a597ba/16a08cf5e92641549a684f5d1fd3ff0f/FLAG0854dca06 [2019-11-27 09:47:07,731 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/212a597ba/16a08cf5e92641549a684f5d1fd3ff0f [2019-11-27 09:47:07,740 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:47:07,745 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:47:07,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:47:07,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:47:07,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:47:07,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:47:07" (1/1) ... [2019-11-27 09:47:07,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dcc7aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:07, skipping insertion in model container [2019-11-27 09:47:07,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:47:07" (1/1) ... [2019-11-27 09:47:07,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:47:07,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:47:08,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:47:09,015 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:47:09,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:47:09,424 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:47:09,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:09 WrapperNode [2019-11-27 09:47:09,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:47:09,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:47:09,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:47:09,438 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:47:09,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:09" (1/1) ... [2019-11-27 09:47:09,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:09" (1/1) ... [2019-11-27 09:47:09,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:47:09,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:47:09,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:47:09,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:47:09,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:09" (1/1) ... [2019-11-27 09:47:09,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:09" (1/1) ... [2019-11-27 09:47:09,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:09" (1/1) ... [2019-11-27 09:47:09,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:09" (1/1) ... [2019-11-27 09:47:09,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:09" (1/1) ... [2019-11-27 09:47:10,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:09" (1/1) ... [2019-11-27 09:47:10,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:09" (1/1) ... [2019-11-27 09:47:10,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:47:10,117 INFO L168 Benchmark]: Toolchain (without parser) took 2367.07 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 949.6 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:47:10,118 INFO L168 Benchmark]: CDTParser took 0.34 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 09:47:10,122 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1690.11 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 972.6 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:47:10,125 INFO L168 Benchmark]: Boogie Procedure Inliner took 316.71 ms. Allocated memory is still 1.0 GB. Free memory was 972.6 MB in the beginning and 961.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:47:10,127 INFO L168 Benchmark]: Boogie Preprocessor took 352.96 ms. Allocated memory is still 1.0 GB. Free memory was 961.1 MB in the beginning and 949.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:47:10,139 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 1690.11 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 972.6 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 316.71 ms. Allocated memory is still 1.0 GB. Free memory was 972.6 MB in the beginning and 961.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 352.96 ms. Allocated memory is still 1.0 GB. Free memory was 961.1 MB in the beginning and 949.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 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-da95e15 [2019-11-27 09:47:14,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:47:14,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:47:14,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:47:14,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:47:14,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:47:14,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:47:14,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:47:14,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:47:14,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:47:14,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:47:14,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:47:14,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:47:14,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:47:14,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:47:14,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:47:14,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:47:14,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:47:14,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:47:14,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:47:14,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:47:14,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:47:14,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:47:14,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:47:14,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:47:14,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:47:14,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:47:14,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:47:14,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:47:14,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:47:14,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:47:14,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:47:14,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:47:14,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:47:14,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:47:14,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:47:14,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:47:14,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:47:14,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:47:14,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:47:14,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:47:14,231 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:47:14,275 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:47:14,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:47:14,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:47:14,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:47:14,283 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:47:14,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:47:14,283 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:47:14,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:47:14,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:47:14,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:47:14,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:47:14,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:47:14,288 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:47:14,291 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:47:14,292 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:47:14,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:47:14,292 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:47:14,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:47:14,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:47:14,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:47:14,294 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:47:14,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:47:14,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:47:14,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:47:14,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:47:14,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:47:14,297 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:47:14,297 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:47:14,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:47:14,299 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:47:14,301 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 -> 682b07bf6ffc026899205938833336bc7ee9550f [2019-11-27 09:47:14,865 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:47:14,895 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:47:14,902 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:47:14,907 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:47:14,908 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:47:14,911 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0220a.c [2019-11-27 09:47:15,072 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f754a2879/a424415eedf2404f8e0059905db58a96/FLAG14e652445 [2019-11-27 09:47:16,303 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:47:16,305 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0220a.c [2019-11-27 09:47:16,338 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f754a2879/a424415eedf2404f8e0059905db58a96/FLAG14e652445 [2019-11-27 09:47:16,376 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f754a2879/a424415eedf2404f8e0059905db58a96 [2019-11-27 09:47:16,385 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:47:16,387 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:47:16,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:47:16,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:47:16,404 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:47:16,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:47:16" (1/1) ... [2019-11-27 09:47:16,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dcc7aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:16, skipping insertion in model container [2019-11-27 09:47:16,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:47:16" (1/1) ... [2019-11-27 09:47:16,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:47:16,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:47:17,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:47:17,773 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:47:18,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:47:18,285 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:47:18,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:18 WrapperNode [2019-11-27 09:47:18,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:47:18,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:47:18,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:47:18,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:47:18,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:18" (1/1) ... [2019-11-27 09:47:18,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:18" (1/1) ... [2019-11-27 09:47:18,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:47:18,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:47:18,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:47:18,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:47:18,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:18" (1/1) ... [2019-11-27 09:47:18,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:18" (1/1) ... [2019-11-27 09:47:18,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:18" (1/1) ... [2019-11-27 09:47:18,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:18" (1/1) ... [2019-11-27 09:47:18,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:18" (1/1) ... [2019-11-27 09:47:18,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:18" (1/1) ... [2019-11-27 09:47:18,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:18" (1/1) ... [2019-11-27 09:47:19,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:47:19,024 INFO L168 Benchmark]: Toolchain (without parser) took 2629.21 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 944.1 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:47:19,025 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. [2019-11-27 09:47:19,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1893.49 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 967.0 MB in the end (delta: -5.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:47:19,032 INFO L168 Benchmark]: Boogie Procedure Inliner took 352.31 ms. Allocated memory is still 1.0 GB. Free memory was 961.2 MB in the beginning and 955.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:47:19,034 INFO L168 Benchmark]: Boogie Preprocessor took 370.95 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 944.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:47:19,046 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 1893.49 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 967.0 MB in the end (delta: -5.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 352.31 ms. Allocated memory is still 1.0 GB. Free memory was 961.2 MB in the beginning and 955.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 370.95 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 944.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...