./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0662b.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_0662b.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 a4c379b7a04a6d66192cdd980e7a650440d3ad5e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_0662b.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 a4c379b7a04a6d66192cdd980e7a650440d3ad5e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:09:12,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:12,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:12,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:12,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:12,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:12,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:12,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:12,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:12,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:12,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:12,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:12,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:12,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:12,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:12,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:12,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:12,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:12,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:12,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:12,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:12,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:12,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:12,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:12,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:12,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:12,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:12,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:12,641 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:12,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:12,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:12,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:12,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:12,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:12,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:12,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:12,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:12,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:12,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:12,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:12,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:12,667 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:09:12,705 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:12,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:12,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:12,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:12,714 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:12,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:12,715 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:12,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:09:12,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:12,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:12,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:12,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:12,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:12,720 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:12,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:12,722 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:12,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:12,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:12,724 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:12,724 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:12,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:12,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:12,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:12,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:12,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:12,728 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:09:12,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:09:12,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:12,729 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 -> a4c379b7a04a6d66192cdd980e7a650440d3ad5e [2019-11-27 16:09:13,297 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:13,329 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:13,337 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:13,342 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:13,342 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:13,346 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0662b.c [2019-11-27 16:09:13,511 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5df446c85/8658e36af051465ebfc54f69d3a337cc/FLAGec6d4a74b [2019-11-27 16:09:14,623 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:14,627 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0662b.c [2019-11-27 16:09:14,650 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5df446c85/8658e36af051465ebfc54f69d3a337cc/FLAGec6d4a74b [2019-11-27 16:09:14,690 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5df446c85/8658e36af051465ebfc54f69d3a337cc [2019-11-27 16:09:14,696 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:14,699 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:14,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:14,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:14,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:14,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:14" (1/1) ... [2019-11-27 16:09:14,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ab9142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:14, skipping insertion in model container [2019-11-27 16:09:14,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:14" (1/1) ... [2019-11-27 16:09:14,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:14,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:15,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:15,505 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:15,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:15,678 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:15,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:15 WrapperNode [2019-11-27 16:09:15,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:15,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:15,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:15,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:15,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:15" (1/1) ... [2019-11-27 16:09:15,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:15" (1/1) ... [2019-11-27 16:09:15,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:15,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:15,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:15,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:15,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:15" (1/1) ... [2019-11-27 16:09:15,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:15" (1/1) ... [2019-11-27 16:09:15,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:15" (1/1) ... [2019-11-27 16:09:15,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:15" (1/1) ... [2019-11-27 16:09:15,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:15" (1/1) ... [2019-11-27 16:09:16,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:15" (1/1) ... [2019-11-27 16:09:16,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:15" (1/1) ... [2019-11-27 16:09:16,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:16,054 INFO L168 Benchmark]: Toolchain (without parser) took 1335.10 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 980.0 MB in the end (delta: -18.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:16,056 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:16,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 981.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 985.7 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:16,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 177.23 ms. Allocated memory is still 1.0 GB. Free memory is still 985.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:16,061 INFO L168 Benchmark]: Boogie Preprocessor took 165.78 ms. Allocated memory is still 1.0 GB. Free memory was 985.7 MB in the beginning and 980.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:16,074 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 981.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 985.7 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 177.23 ms. Allocated memory is still 1.0 GB. Free memory is still 985.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 165.78 ms. Allocated memory is still 1.0 GB. Free memory was 985.7 MB in the beginning and 980.0 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 16:09:19,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:20,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:20,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:20,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:20,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:20,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:20,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:20,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:20,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:20,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:20,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:20,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:20,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:20,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:20,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:20,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:20,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:20,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:20,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:20,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:20,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:20,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:20,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:20,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:20,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:20,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:20,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:20,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:20,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:20,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:20,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:20,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:20,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:20,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:20,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:20,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:20,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:20,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:20,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:20,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:20,177 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:09:20,231 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:20,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:20,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:20,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:20,244 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:20,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:20,246 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:20,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:20,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:20,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:20,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:20,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:20,249 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:09:20,252 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:09:20,252 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:20,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:20,253 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:20,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:20,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:20,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:20,257 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:20,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:20,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:20,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:20,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:20,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:20,259 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:09:20,262 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:09:20,263 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:20,263 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:09:20,264 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 -> a4c379b7a04a6d66192cdd980e7a650440d3ad5e [2019-11-27 16:09:20,816 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:20,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:20,867 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:20,871 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:20,876 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:20,877 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0662b.c [2019-11-27 16:09:21,045 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23445a326/d1cf8bd5cd3e4a3b877573397c7c85cf/FLAG1555a4e80 [2019-11-27 16:09:22,163 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:22,169 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0662b.c [2019-11-27 16:09:22,191 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23445a326/d1cf8bd5cd3e4a3b877573397c7c85cf/FLAG1555a4e80 [2019-11-27 16:09:22,230 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23445a326/d1cf8bd5cd3e4a3b877573397c7c85cf [2019-11-27 16:09:22,239 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:22,245 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:22,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:22,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:22,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:22,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:22" (1/1) ... [2019-11-27 16:09:22,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55405a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:22, skipping insertion in model container [2019-11-27 16:09:22,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:22" (1/1) ... [2019-11-27 16:09:22,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:22,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:23,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:23,101 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:23,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:23,379 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:23,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:23 WrapperNode [2019-11-27 16:09:23,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:23,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:23,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:23,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:23,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:23" (1/1) ... [2019-11-27 16:09:23,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:23" (1/1) ... [2019-11-27 16:09:23,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:23,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:23,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:23,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:23,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:23" (1/1) ... [2019-11-27 16:09:23,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:23" (1/1) ... [2019-11-27 16:09:23,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:23" (1/1) ... [2019-11-27 16:09:23,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:23" (1/1) ... [2019-11-27 16:09:23,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:23" (1/1) ... [2019-11-27 16:09:23,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:23" (1/1) ... [2019-11-27 16:09:23,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:23" (1/1) ... [2019-11-27 16:09:23,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:23,812 INFO L168 Benchmark]: Toolchain (without parser) took 1569.46 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. [2019-11-27 16:09:23,816 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:23,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1137.40 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 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:23,822 INFO L168 Benchmark]: Boogie Procedure Inliner took 207.21 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. [2019-11-27 16:09:23,825 INFO L168 Benchmark]: Boogie Preprocessor took 212.76 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. [2019-11-27 16:09:23,837 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 1137.40 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 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 207.21 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 212.76 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...