./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0971.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0971.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 6017db04fd0c3d76a17184976602c114f74dffa4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_0971.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 6017db04fd0c3d76a17184976602c114f74dffa4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:09:40,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:40,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:40,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:40,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:40,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:40,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:40,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:40,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:40,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:40,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:40,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:40,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:40,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:40,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:40,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:40,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:40,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:40,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:40,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:40,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:40,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:40,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:40,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:40,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:40,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:40,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:40,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:40,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:40,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:40,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:40,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:40,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:40,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:40,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:40,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:40,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:40,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:40,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:40,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:40,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:40,921 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:09:40,967 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:40,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:40,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:40,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:40,973 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:40,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:40,974 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:40,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:09:40,977 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:40,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:40,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:40,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:40,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:40,980 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:40,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:40,984 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:40,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:40,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:40,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:40,985 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:40,986 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:40,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:40,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:40,987 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:40,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:40,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:09:40,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:09:40,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:40,990 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 -> 6017db04fd0c3d76a17184976602c114f74dffa4 [2019-11-27 16:09:41,578 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:41,609 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:41,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:41,620 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:41,624 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:41,626 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0971.c [2019-11-27 16:09:41,787 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7bf186bf/7826f0b4ed87447daded7cbd7b4ffcc4/FLAGcae78f9ac [2019-11-27 16:09:42,972 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:42,975 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0971.c [2019-11-27 16:09:42,998 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7bf186bf/7826f0b4ed87447daded7cbd7b4ffcc4/FLAGcae78f9ac [2019-11-27 16:09:43,039 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7bf186bf/7826f0b4ed87447daded7cbd7b4ffcc4 [2019-11-27 16:09:43,047 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:43,052 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:43,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:43,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:43,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:43,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:43" (1/1) ... [2019-11-27 16:09:43,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21baf589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:43, skipping insertion in model container [2019-11-27 16:09:43,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:43" (1/1) ... [2019-11-27 16:09:43,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:43,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:43,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:43,888 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:44,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:44,084 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:44,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:44 WrapperNode [2019-11-27 16:09:44,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:44,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:44,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:44,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:44,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:44" (1/1) ... [2019-11-27 16:09:44,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:44" (1/1) ... [2019-11-27 16:09:44,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:44,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:44,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:44,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:44,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:44" (1/1) ... [2019-11-27 16:09:44,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:44" (1/1) ... [2019-11-27 16:09:44,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:44" (1/1) ... [2019-11-27 16:09:44,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:44" (1/1) ... [2019-11-27 16:09:44,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:44" (1/1) ... [2019-11-27 16:09:44,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:44" (1/1) ... [2019-11-27 16:09:44,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:44" (1/1) ... [2019-11-27 16:09:44,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:44,365 INFO L168 Benchmark]: Toolchain (without parser) took 1306.65 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 984.3 MB in the end (delta: -22.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:44,366 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:44,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1042.66 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 990.0 MB in the end (delta: -28.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:44,376 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.17 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 16:09:44,380 INFO L168 Benchmark]: Boogie Preprocessor took 126.09 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 16:09:44,389 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 1042.66 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 990.0 MB in the end (delta: -28.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 128.17 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 126.09 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:09:48,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:48,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:48,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:48,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:48,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:48,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:48,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:48,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:48,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:48,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:48,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:48,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:48,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:48,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:48,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:48,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:48,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:48,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:48,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:48,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:48,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:48,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:48,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:48,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:48,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:48,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:48,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:48,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:48,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:48,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:48,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:48,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:48,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:48,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:48,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:48,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:48,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:48,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:48,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:48,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:48,486 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:09:48,529 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:48,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:48,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:48,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:48,536 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:48,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:48,537 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:48,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:48,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:48,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:48,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:48,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:48,544 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:09:48,545 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:09:48,545 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:48,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:48,546 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:48,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:48,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:48,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:48,549 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:48,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:48,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:48,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:48,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:48,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:48,552 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:09:48,552 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:09:48,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:48,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:09:48,556 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 -> 6017db04fd0c3d76a17184976602c114f74dffa4 [2019-11-27 16:09:49,179 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:49,208 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:49,215 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:49,220 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:49,220 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:49,222 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0971.c [2019-11-27 16:09:49,382 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32444dca6/6849931616cc4cbb8badc2c67c5fe148/FLAG249818535 [2019-11-27 16:09:50,522 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:50,525 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0971.c [2019-11-27 16:09:50,548 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32444dca6/6849931616cc4cbb8badc2c67c5fe148/FLAG249818535 [2019-11-27 16:09:50,587 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32444dca6/6849931616cc4cbb8badc2c67c5fe148 [2019-11-27 16:09:50,595 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:50,602 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:50,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:50,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:50,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:50,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:50" (1/1) ... [2019-11-27 16:09:50,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c99d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:50, skipping insertion in model container [2019-11-27 16:09:50,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:50" (1/1) ... [2019-11-27 16:09:50,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:50,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:51,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:51,490 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:51,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:51,717 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:51,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:51 WrapperNode [2019-11-27 16:09:51,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:51,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:51,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:51,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:51,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:51" (1/1) ... [2019-11-27 16:09:51,814 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:51" (1/1) ... [2019-11-27 16:09:51,913 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:51,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:51,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:51,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:51,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:51" (1/1) ... [2019-11-27 16:09:51,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:51" (1/1) ... [2019-11-27 16:09:51,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:51" (1/1) ... [2019-11-27 16:09:51,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:51" (1/1) ... [2019-11-27 16:09:52,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:51" (1/1) ... [2019-11-27 16:09:52,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:51" (1/1) ... [2019-11-27 16:09:52,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:51" (1/1) ... [2019-11-27 16:09:52,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:52,102 INFO L168 Benchmark]: Toolchain (without parser) took 1492.50 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 978.6 MB in the end (delta: -17.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:52,103 INFO L168 Benchmark]: CDTParser took 3.92 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:52,108 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1115.78 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 984.4 MB in the end (delta: -22.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:52,109 INFO L168 Benchmark]: Boogie Procedure Inliner took 181.86 ms. Allocated memory is still 1.0 GB. Free memory is still 984.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:52,113 INFO L168 Benchmark]: Boogie Preprocessor took 175.09 ms. Allocated memory is still 1.0 GB. Free memory was 984.4 MB in the beginning and 978.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:52,127 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.92 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 1115.78 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 984.4 MB in the end (delta: -22.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 181.86 ms. Allocated memory is still 1.0 GB. Free memory is still 984.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 175.09 ms. Allocated memory is still 1.0 GB. Free memory was 984.4 MB in the beginning and 978.6 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...