./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0960a.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_0960a.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 643b85cfda98ac4fd84758bc794baabdbceeba64 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_0960a.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 643b85cfda98ac4fd84758bc794baabdbceeba64 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:47:49,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:47:49,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:47:49,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:47:49,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:47:49,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:47:49,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:47:49,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:47:49,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:47:49,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:47:49,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:47:49,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:47:49,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:47:49,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:47:49,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:47:49,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:47:49,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:47:49,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:47:49,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:47:49,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:47:49,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:47:49,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:47:49,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:47:49,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:47:49,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:47:49,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:47:49,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:47:49,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:47:49,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:47:49,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:47:49,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:47:49,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:47:49,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:47:49,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:47:49,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:47:49,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:47:49,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:47:49,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:47:49,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:47:49,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:47:49,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:47:49,188 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:47:49,227 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:47:49,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:47:49,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:47:49,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:47:49,236 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:47:49,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:47:49,236 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:47:49,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:47:49,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:47:49,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:47:49,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:47:49,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:47:49,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:47:49,242 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:47:49,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:47:49,244 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:47:49,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:47:49,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:47:49,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:47:49,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:47:49,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:47:49,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:47:49,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:47:49,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:47:49,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:47:49,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:47:49,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:47:49,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:47:49,252 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 -> 643b85cfda98ac4fd84758bc794baabdbceeba64 [2019-11-27 09:47:49,878 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:47:49,906 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:47:49,912 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:47:49,918 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:47:49,919 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:47:49,920 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0960a.c [2019-11-27 09:47:50,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f90190b88/af8e5b38ac904e39a9fa6b395875c999/FLAGca6a5c559 [2019-11-27 09:47:51,211 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:47:51,212 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0960a.c [2019-11-27 09:47:51,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f90190b88/af8e5b38ac904e39a9fa6b395875c999/FLAGca6a5c559 [2019-11-27 09:47:51,278 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f90190b88/af8e5b38ac904e39a9fa6b395875c999 [2019-11-27 09:47:51,287 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:47:51,292 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:47:51,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:47:51,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:47:51,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:47:51,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:47:51" (1/1) ... [2019-11-27 09:47:51,314 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 09:47:51, skipping insertion in model container [2019-11-27 09:47:51,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:47:51" (1/1) ... [2019-11-27 09:47:51,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:47:51,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:47:52,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:47:52,017 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:47:52,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:47:52,292 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:47:52,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:52 WrapperNode [2019-11-27 09:47:52,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:47:52,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:47:52,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:47:52,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:47:52,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:52" (1/1) ... [2019-11-27 09:47:52,365 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:52" (1/1) ... [2019-11-27 09:47:52,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:47:52,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:47:52,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:47:52,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:47:52,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:52" (1/1) ... [2019-11-27 09:47:52,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:52" (1/1) ... [2019-11-27 09:47:52,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:52" (1/1) ... [2019-11-27 09:47:52,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:52" (1/1) ... [2019-11-27 09:47:52,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:52" (1/1) ... [2019-11-27 09:47:52,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:52" (1/1) ... [2019-11-27 09:47:52,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:52" (1/1) ... [2019-11-27 09:47:52,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:47:52,563 INFO L168 Benchmark]: Toolchain (without parser) took 1270.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 984.1 MB in the end (delta: -16.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:47:52,566 INFO L168 Benchmark]: CDTParser took 1.39 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 09:47:52,567 INFO L168 Benchmark]: CACSL2BoogieTranslator took 999.13 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 991.2 MB in the end (delta: -23.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:47:52,579 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.69 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 984.1 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:47:52,582 INFO L168 Benchmark]: Boogie Preprocessor took 125.03 ms. Allocated memory is still 1.0 GB. Free memory is still 984.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:47:52,588 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.39 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 999.13 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 991.2 MB in the end (delta: -23.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 129.69 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 984.1 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 125.03 ms. Allocated memory is still 1.0 GB. Free memory is still 984.1 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-da95e15 [2019-11-27 09:47:56,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:47:56,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:47:56,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:47:56,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:47:56,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:47:56,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:47:56,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:47:56,485 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:47:56,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:47:56,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:47:56,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:47:56,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:47:56,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:47:56,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:47:56,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:47:56,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:47:56,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:47:56,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:47:56,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:47:56,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:47:56,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:47:56,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:47:56,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:47:56,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:47:56,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:47:56,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:47:56,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:47:56,563 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:47:56,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:47:56,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:47:56,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:47:56,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:47:56,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:47:56,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:47:56,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:47:56,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:47:56,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:47:56,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:47:56,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:47:56,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:47:56,589 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:47:56,625 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:47:56,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:47:56,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:47:56,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:47:56,633 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:47:56,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:47:56,633 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:47:56,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:47:56,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:47:56,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:47:56,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:47:56,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:47:56,638 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:47:56,639 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:47:56,641 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:47:56,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:47:56,641 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:47:56,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:47:56,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:47:56,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:47:56,644 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:47:56,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:47:56,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:47:56,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:47:56,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:47:56,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:47:56,646 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:47:56,649 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:47:56,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:47:56,649 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:47:56,651 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 -> 643b85cfda98ac4fd84758bc794baabdbceeba64 [2019-11-27 09:47:57,281 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:47:57,311 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:47:57,318 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:47:57,321 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:47:57,324 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:47:57,327 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0960a.c [2019-11-27 09:47:57,483 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25cec4bec/51ce5f8dd3114a2ea247b91b1fe4b96c/FLAG4be14329c [2019-11-27 09:47:58,591 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:47:58,594 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0960a.c [2019-11-27 09:47:58,621 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25cec4bec/51ce5f8dd3114a2ea247b91b1fe4b96c/FLAG4be14329c [2019-11-27 09:47:58,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25cec4bec/51ce5f8dd3114a2ea247b91b1fe4b96c [2019-11-27 09:47:58,783 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:47:58,787 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:47:58,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:47:58,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:47:58,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:47:58,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:47:58" (1/1) ... [2019-11-27 09:47:58,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f2d03ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:58, skipping insertion in model container [2019-11-27 09:47:58,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:47:58" (1/1) ... [2019-11-27 09:47:58,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:47:58,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:47:59,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:47:59,590 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:47:59,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:47:59,839 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:47:59,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:59 WrapperNode [2019-11-27 09:47:59,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:47:59,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:47:59,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:47:59,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:47:59,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:59" (1/1) ... [2019-11-27 09:47:59,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:59" (1/1) ... [2019-11-27 09:48:00,004 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:00,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:48:00,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:48:00,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:48:00,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:59" (1/1) ... [2019-11-27 09:48:00,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:59" (1/1) ... [2019-11-27 09:48:00,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:59" (1/1) ... [2019-11-27 09:48:00,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:59" (1/1) ... [2019-11-27 09:48:00,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:59" (1/1) ... [2019-11-27 09:48:00,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:59" (1/1) ... [2019-11-27 09:48:00,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:59" (1/1) ... [2019-11-27 09:48:00,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:48:00,165 INFO L168 Benchmark]: Toolchain (without parser) took 1375.34 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 978.7 MB in the end (delta: -11.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:00,166 INFO L168 Benchmark]: CDTParser took 0.38 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 09:48:00,170 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1049.59 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 09:48:00,171 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.05 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 09:48:00,172 INFO L168 Benchmark]: Boogie Preprocessor took 152.17 ms. Allocated memory is still 1.0 GB. Free memory was 984.4 MB in the beginning and 978.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:00,184 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 1049.59 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 164.05 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 152.17 ms. Allocated memory is still 1.0 GB. Free memory was 984.4 MB in the beginning and 978.7 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...