./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0660a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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_0660a.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 de36d2b693d37667ac428b831d6e4dc7211a3268 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_0660a.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 de36d2b693d37667ac428b831d6e4dc7211a3268 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:00:03,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:00:03,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:00:03,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:00:03,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:00:03,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:00:03,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:00:03,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:00:03,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:00:03,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:00:03,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:00:03,856 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:00:03,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:00:03,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:00:03,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:00:03,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:00:03,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:00:03,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:00:03,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:00:03,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:00:03,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:00:03,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:00:03,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:00:03,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:00:03,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:00:03,914 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:00:03,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:00:03,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:00:03,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:00:03,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:00:03,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:00:03,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:00:03,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:00:03,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:00:03,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:00:03,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:00:03,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:00:03,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:00:03,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:00:03,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:00:03,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:00:03,940 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:00:03,968 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:00:03,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:00:03,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:00:03,972 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:00:03,972 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:00:03,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:00:03,974 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:00:03,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:00:03,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:00:03,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:00:03,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:00:03,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:00:03,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:00:03,977 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:00:03,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:00:03,978 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:00:03,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:00:03,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:00:03,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:00:03,980 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:00:03,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:00:03,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:00:03,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:00:03,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:00:03,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:00:03,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:00:03,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:00:03,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:00:03,985 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 -> de36d2b693d37667ac428b831d6e4dc7211a3268 [2019-11-26 17:00:04,374 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:00:04,389 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:00:04,395 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:00:04,396 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:00:04,397 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:00:04,399 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0660a.c [2019-11-26 17:00:04,503 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fb5d9798/4b0766347a6f44efb73280b21505f31b/FLAG91f059ded [2019-11-26 17:00:05,252 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:00:05,254 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0660a.c [2019-11-26 17:00:05,283 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fb5d9798/4b0766347a6f44efb73280b21505f31b/FLAG91f059ded [2019-11-26 17:00:05,532 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fb5d9798/4b0766347a6f44efb73280b21505f31b [2019-11-26 17:00:05,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:00:05,537 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:00:05,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:05,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:00:05,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:00:05,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:05" (1/1) ... [2019-11-26 17:00:05,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@182ffbb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:05, skipping insertion in model container [2019-11-26 17:00:05,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:05" (1/1) ... [2019-11-26 17:00:05,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:00:05,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:00:06,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:06,077 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:00:06,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:06,200 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:00:06,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:06 WrapperNode [2019-11-26 17:00:06,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:06,203 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:06,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:00:06,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:00:06,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:06" (1/1) ... [2019-11-26 17:00:06,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:06" (1/1) ... [2019-11-26 17:00:06,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:06,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:00:06,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:00:06,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:00:06,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:06" (1/1) ... [2019-11-26 17:00:06,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:06" (1/1) ... [2019-11-26 17:00:06,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:06" (1/1) ... [2019-11-26 17:00:06,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:06" (1/1) ... [2019-11-26 17:00:06,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:06" (1/1) ... [2019-11-26 17:00:06,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:06" (1/1) ... [2019-11-26 17:00:06,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:06" (1/1) ... [2019-11-26 17:00:06,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:00:06,460 INFO L168 Benchmark]: Toolchain (without parser) took 923.08 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: -16.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:06,462 INFO L168 Benchmark]: CDTParser took 0.26 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. [2019-11-26 17:00:06,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.22 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). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:06,466 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.06 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. [2019-11-26 17:00:06,469 INFO L168 Benchmark]: Boogie Preprocessor took 122.79 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 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. [2019-11-26 17:00:06,473 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 659.22 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). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 132.06 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. * Boogie Preprocessor took 122.79 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 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 0.1.24-025d5a2 [2019-11-26 17:00:09,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:00:09,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:00:09,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:00:09,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:00:09,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:00:09,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:00:09,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:00:09,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:00:09,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:00:09,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:00:09,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:00:09,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:00:09,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:00:09,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:00:09,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:00:09,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:00:09,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:00:09,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:00:09,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:00:09,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:00:09,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:00:09,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:00:09,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:00:09,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:00:09,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:00:09,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:00:09,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:00:09,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:00:09,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:00:09,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:00:09,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:00:09,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:00:09,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:00:09,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:00:09,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:00:09,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:00:09,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:00:09,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:00:09,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:00:09,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:00:09,336 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:00:09,360 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:00:09,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:00:09,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:00:09,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:00:09,368 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:00:09,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:00:09,369 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:00:09,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:00:09,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:00:09,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:00:09,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:00:09,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:00:09,372 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:00:09,372 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:00:09,372 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:00:09,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:00:09,373 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:00:09,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:00:09,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:00:09,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:00:09,375 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:00:09,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:00:09,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:00:09,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:00:09,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:00:09,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:00:09,378 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:00:09,378 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:00:09,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:00:09,378 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:00:09,379 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 -> de36d2b693d37667ac428b831d6e4dc7211a3268 [2019-11-26 17:00:09,840 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:00:09,858 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:00:09,865 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:00:09,867 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:00:09,870 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:00:09,871 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0660a.c [2019-11-26 17:00:09,974 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9c46f9b9/fc7e670cd9cc439a86a25ff67a0e47e3/FLAG737732bf0 [2019-11-26 17:00:10,704 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:00:10,706 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0660a.c [2019-11-26 17:00:10,722 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9c46f9b9/fc7e670cd9cc439a86a25ff67a0e47e3/FLAG737732bf0 [2019-11-26 17:00:10,974 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9c46f9b9/fc7e670cd9cc439a86a25ff67a0e47e3 [2019-11-26 17:00:10,978 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:00:10,980 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:00:10,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:10,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:00:10,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:00:10,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:10" (1/1) ... [2019-11-26 17:00:11,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10db85b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:10, skipping insertion in model container [2019-11-26 17:00:11,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:10" (1/1) ... [2019-11-26 17:00:11,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:00:11,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:00:11,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:11,579 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:00:11,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:11,781 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:00:11,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:11 WrapperNode [2019-11-26 17:00:11,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:11,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:11,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:00:11,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:00:11,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:11" (1/1) ... [2019-11-26 17:00:11,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:11" (1/1) ... [2019-11-26 17:00:11,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:11,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:00:11,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:00:11,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:00:11,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:11" (1/1) ... [2019-11-26 17:00:11,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:11" (1/1) ... [2019-11-26 17:00:11,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:11" (1/1) ... [2019-11-26 17:00:11,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:11" (1/1) ... [2019-11-26 17:00:12,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:11" (1/1) ... [2019-11-26 17:00:12,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:11" (1/1) ... [2019-11-26 17:00:12,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:11" (1/1) ... [2019-11-26 17:00:12,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:00:12,073 INFO L168 Benchmark]: Toolchain (without parser) took 1088.52 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 978.5 MB in the end (delta: -16.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:12,074 INFO L168 Benchmark]: CDTParser took 0.25 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. [2019-11-26 17:00:12,075 INFO L168 Benchmark]: CACSL2BoogieTranslator took 794.65 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). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:12,077 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.94 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:12,078 INFO L168 Benchmark]: Boogie Preprocessor took 143.31 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:12,082 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 794.65 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). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 139.94 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 143.31 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 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...