./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1271b.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_1271b.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 d29f12e66e15a9c752fce15327a254c30da4b28a .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_1271b.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 d29f12e66e15a9c752fce15327a254c30da4b28a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:10:05,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:05,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:05,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:05,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:05,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:05,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:05,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:05,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:05,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:05,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:05,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:05,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:05,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:05,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:05,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:05,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:05,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:05,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:05,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:05,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:05,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:05,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:05,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:05,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:05,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:05,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:05,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:05,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:05,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:05,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:05,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:05,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:05,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:05,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:05,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:05,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:05,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:05,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:05,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:05,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:05,211 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:10:05,254 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:05,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:05,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:05,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:05,264 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:05,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:05,264 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:05,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:10:05,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:05,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:05,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:05,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:05,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:05,272 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:05,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:05,273 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:05,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:05,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:05,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:05,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:05,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:05,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:05,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:05,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:05,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:05,281 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:10:05,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:10:05,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:05,285 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 -> d29f12e66e15a9c752fce15327a254c30da4b28a [2019-11-27 16:10:05,907 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:05,937 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:05,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:05,950 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:05,951 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:05,953 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1271b.c [2019-11-27 16:10:06,121 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5a98ddca/60fc30aba0ae426b8497889fc02b6b83/FLAGe1fd6fc8a [2019-11-27 16:10:07,288 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:07,289 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271b.c [2019-11-27 16:10:07,309 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5a98ddca/60fc30aba0ae426b8497889fc02b6b83/FLAGe1fd6fc8a [2019-11-27 16:10:07,356 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5a98ddca/60fc30aba0ae426b8497889fc02b6b83 [2019-11-27 16:10:07,369 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:07,371 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:07,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:07,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:07,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:07,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:07,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@256b832a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07, skipping insertion in model container [2019-11-27 16:10:07,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:07,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:07,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:08,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:08,182 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:08,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:08,412 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:08,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:08 WrapperNode [2019-11-27 16:10:08,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:08,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:08,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:08,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:08,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:08" (1/1) ... [2019-11-27 16:10:08,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:08" (1/1) ... [2019-11-27 16:10:08,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:08,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:08,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:08,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:08,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:08" (1/1) ... [2019-11-27 16:10:08,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:08" (1/1) ... [2019-11-27 16:10:08,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:08" (1/1) ... [2019-11-27 16:10:08,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:08" (1/1) ... [2019-11-27 16:10:08,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:08" (1/1) ... [2019-11-27 16:10:08,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:08" (1/1) ... [2019-11-27 16:10:08,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:08" (1/1) ... [2019-11-27 16:10:08,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:08,709 INFO L168 Benchmark]: Toolchain (without parser) took 1333.68 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 978.6 MB in the end (delta: -11.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:08,712 INFO L168 Benchmark]: CDTParser took 2.93 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 16:10:08,716 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1037.75 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 984.4 MB in the end (delta: -17.0 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:08,718 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.64 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 16:10:08,721 INFO L168 Benchmark]: Boogie Preprocessor took 143.16 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 16:10:08,731 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.93 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 1037.75 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 984.4 MB in the end (delta: -17.0 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 142.64 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 143.16 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:10:12,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:12,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:12,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:12,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:12,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:12,801 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:12,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:12,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:12,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:12,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:12,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:12,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:12,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:12,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:12,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:12,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:12,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:12,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:12,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:12,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:12,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:12,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:12,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:12,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:12,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:12,907 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:12,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:12,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:12,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:12,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:12,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:12,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:12,920 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:12,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:12,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:12,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:12,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:12,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:12,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:12,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:12,934 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:10:12,976 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:12,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:12,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:12,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:12,984 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:12,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:12,984 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:12,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:12,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:12,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:12,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:12,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:12,993 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:10:12,993 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:10:12,994 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:12,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:12,994 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:12,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:12,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:12,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:12,996 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:12,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:12,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:12,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:12,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:13,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:13,000 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:10:13,001 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:10:13,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:13,001 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:10:13,003 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 -> d29f12e66e15a9c752fce15327a254c30da4b28a [2019-11-27 16:10:13,561 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:13,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:13,603 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:13,607 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:13,610 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:13,613 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1271b.c [2019-11-27 16:10:13,782 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b0e21be6/fe28905e919d446fa1d81d3891075c1d/FLAGcc850d519 [2019-11-27 16:10:14,972 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:14,981 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271b.c [2019-11-27 16:10:15,008 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b0e21be6/fe28905e919d446fa1d81d3891075c1d/FLAGcc850d519 [2019-11-27 16:10:15,045 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b0e21be6/fe28905e919d446fa1d81d3891075c1d [2019-11-27 16:10:15,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:15,062 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:15,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:15,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:15,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:15,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:15" (1/1) ... [2019-11-27 16:10:15,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c7cbcc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:15, skipping insertion in model container [2019-11-27 16:10:15,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:15" (1/1) ... [2019-11-27 16:10:15,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:15,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:15,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:15,957 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:16,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:16,220 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:16,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16 WrapperNode [2019-11-27 16:10:16,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:16,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:16,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:16,237 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:16,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:16,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:16,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:16,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:16,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:16,639 INFO L168 Benchmark]: Toolchain (without parser) took 1572.25 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 974.4 MB in the end (delta: -12.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:16,641 INFO L168 Benchmark]: CDTParser took 3.60 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 16:10:16,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1155.53 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 980.1 MB in the end (delta: -18.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:16,661 INFO L168 Benchmark]: Boogie Procedure Inliner took 199.40 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:16,662 INFO L168 Benchmark]: Boogie Preprocessor took 195.10 ms. Allocated memory is still 1.0 GB. Free memory was 980.1 MB in the beginning and 974.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:16,673 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.60 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 1155.53 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 980.1 MB in the end (delta: -18.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 199.40 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 195.10 ms. Allocated memory is still 1.0 GB. Free memory was 980.1 MB in the beginning and 974.4 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...