./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0920a.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_0920a.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 68aa61f206da468fa7dcfce700dfa7d384c1ee8e ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_0920a.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 68aa61f206da468fa7dcfce700dfa7d384c1ee8e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:47:46,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:47:46,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:47:46,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:47:46,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:47:46,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:47:46,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:47:46,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:47:46,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:47:46,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:47:46,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:47:46,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:47:46,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:47:46,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:47:46,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:47:46,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:47:46,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:47:46,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:47:46,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:47:46,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:47:46,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:47:46,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:47:46,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:47:46,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:47:46,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:47:46,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:47:46,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:47:46,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:47:46,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:47:46,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:47:46,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:47:46,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:47:46,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:47:46,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:47:46,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:47:46,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:47:46,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:47:46,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:47:46,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:47:46,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:47:46,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:47:46,930 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:47:46,974 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:47:46,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:47:46,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:47:46,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:47:46,984 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:47:46,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:47:46,985 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:47:46,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:47:46,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:47:46,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:47:46,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:47:46,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:47:46,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:47:46,992 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:47:46,992 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:47:46,992 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:47:46,993 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:47:46,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:47:46,994 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:47:46,996 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:47:46,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:47:46,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:47:46,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:47:46,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:47:46,999 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:47:46,999 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:47:46,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:47:47,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:47:47,002 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 -> 68aa61f206da468fa7dcfce700dfa7d384c1ee8e [2019-11-27 09:47:47,561 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:47:47,590 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:47:47,597 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:47:47,601 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:47:47,603 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:47:47,604 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0920a.c [2019-11-27 09:47:47,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21fe537db/41ce7d9991294dd4bb706bfd2be42099/FLAG64d696f7c [2019-11-27 09:47:48,901 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:47:48,903 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0920a.c [2019-11-27 09:47:48,930 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21fe537db/41ce7d9991294dd4bb706bfd2be42099/FLAG64d696f7c [2019-11-27 09:47:48,967 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21fe537db/41ce7d9991294dd4bb706bfd2be42099 [2019-11-27 09:47:48,979 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:47:48,981 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:47:48,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:47:48,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:47:48,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:47:48,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:47:48" (1/1) ... [2019-11-27 09:47:49,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c001282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:49, skipping insertion in model container [2019-11-27 09:47:49,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:47:48" (1/1) ... [2019-11-27 09:47:49,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:47:49,106 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:47:49,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:47:49,713 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:47:49,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:47:50,046 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:47:50,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:50 WrapperNode [2019-11-27 09:47:50,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:47:50,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:47:50,051 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:47:50,051 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:47:50,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:50" (1/1) ... [2019-11-27 09:47:50,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:50" (1/1) ... [2019-11-27 09:47:50,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:47:50,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:47:50,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:47:50,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:47:50,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:50" (1/1) ... [2019-11-27 09:47:50,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:50" (1/1) ... [2019-11-27 09:47:50,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:50" (1/1) ... [2019-11-27 09:47:50,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:50" (1/1) ... [2019-11-27 09:47:50,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:50" (1/1) ... [2019-11-27 09:47:50,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:50" (1/1) ... [2019-11-27 09:47:50,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:50" (1/1) ... [2019-11-27 09:47:50,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:47:50,320 INFO L168 Benchmark]: Toolchain (without parser) took 1332.64 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 984.1 MB in the end (delta: -22.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:47:50,323 INFO L168 Benchmark]: CDTParser took 1.43 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 09:47:50,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1063.60 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 989.8 MB in the end (delta: -28.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:47:50,329 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.50 ms. Allocated memory is still 1.0 GB. Free memory is still 989.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:47:50,333 INFO L168 Benchmark]: Boogie Preprocessor took 113.72 ms. Allocated memory is still 1.0 GB. Free memory was 989.8 MB in the beginning and 984.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:47:50,342 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43 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 1063.60 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 989.8 MB in the end (delta: -28.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 146.50 ms. Allocated memory is still 1.0 GB. Free memory is still 989.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 113.72 ms. Allocated memory is still 1.0 GB. Free memory was 989.8 MB in the beginning and 984.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:47:54,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:47:54,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:47:54,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:47:54,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:47:54,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:47:54,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:47:54,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:47:54,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:47:54,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:47:54,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:47:54,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:47:54,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:47:54,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:47:54,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:47:54,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:47:54,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:47:54,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:47:54,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:47:54,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:47:54,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:47:54,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:47:54,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:47:54,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:47:54,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:47:54,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:47:54,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:47:54,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:47:54,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:47:54,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:47:54,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:47:54,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:47:54,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:47:54,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:47:54,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:47:54,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:47:54,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:47:54,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:47:54,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:47:54,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:47:54,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:47:54,490 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:47:54,533 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:47:54,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:47:54,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:47:54,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:47:54,540 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:47:54,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:47:54,540 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:47:54,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:47:54,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:47:54,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:47:54,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:47:54,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:47:54,547 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:47:54,548 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:47:54,548 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:47:54,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:47:54,549 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:47:54,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:47:54,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:47:54,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:47:54,552 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:47:54,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:47:54,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:47:54,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:47:54,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:47:54,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:47:54,555 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:47:54,558 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:47:54,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:47:54,559 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:47:54,560 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 -> 68aa61f206da468fa7dcfce700dfa7d384c1ee8e [2019-11-27 09:47:55,153 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:47:55,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:47:55,192 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:47:55,201 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:47:55,201 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:47:55,203 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0920a.c [2019-11-27 09:47:55,363 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e77d36242/371cf1a3d19b4c5597482a6930bf186c/FLAG39f669a1e [2019-11-27 09:47:56,503 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:47:56,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0920a.c [2019-11-27 09:47:56,525 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e77d36242/371cf1a3d19b4c5597482a6930bf186c/FLAG39f669a1e [2019-11-27 09:47:56,568 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e77d36242/371cf1a3d19b4c5597482a6930bf186c [2019-11-27 09:47:56,581 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:47:56,583 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:47:56,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:47:56,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:47:56,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:47:56,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:47:56" (1/1) ... [2019-11-27 09:47:56,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dc750d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:56, skipping insertion in model container [2019-11-27 09:47:56,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:47:56" (1/1) ... [2019-11-27 09:47:56,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:47:56,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:47:57,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:47:57,458 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:47:57,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:47:57,678 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:47:57,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:57 WrapperNode [2019-11-27 09:47:57,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:47:57,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:47:57,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:47:57,682 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:47:57,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:57" (1/1) ... [2019-11-27 09:47:57,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:57" (1/1) ... [2019-11-27 09:47:57,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:47:57,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:47:57,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:47:57,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:47:57,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:57" (1/1) ... [2019-11-27 09:47:57,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:57" (1/1) ... [2019-11-27 09:47:57,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:57" (1/1) ... [2019-11-27 09:47:57,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:57" (1/1) ... [2019-11-27 09:47:57,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:57" (1/1) ... [2019-11-27 09:47:57,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:57" (1/1) ... [2019-11-27 09:47:57,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:57" (1/1) ... [2019-11-27 09:47:57,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:47:57,973 INFO L168 Benchmark]: Toolchain (without parser) took 1386.61 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 984.3 MB in the end (delta: -16.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:47:57,979 INFO L168 Benchmark]: CDTParser took 0.35 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 09:47:57,980 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1092.41 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 990.0 MB in the end (delta: -22.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:47:57,984 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.42 ms. Allocated memory is still 1.0 GB. Free memory was 990.0 MB in the beginning and 984.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:47:57,986 INFO L168 Benchmark]: Boogie Preprocessor took 152.14 ms. Allocated memory is still 1.0 GB. Free memory is still 984.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:47:57,999 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 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1092.41 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 990.0 MB in the end (delta: -22.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 133.42 ms. Allocated memory is still 1.0 GB. Free memory was 990.0 MB in the beginning and 984.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 152.14 ms. Allocated memory is still 1.0 GB. Free memory is still 984.3 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...