./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0740.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab 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_0740.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 1ba5abe06d07a4712bf40ef71e353712c0bd3c97 .................................................................................................................................................................................................................................................................................... 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_0740.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 1ba5abe06d07a4712bf40ef71e353712c0bd3c97 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:48:44,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:48:44,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:48:44,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:48:44,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:48:44,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:48:44,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:48:44,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:48:44,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:48:44,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:48:44,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:48:44,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:48:44,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:48:44,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:48:44,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:48:44,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:48:44,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:48:44,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:48:44,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:48:44,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:48:44,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:48:44,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:48:44,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:48:44,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:48:44,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:48:44,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:48:44,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:48:44,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:48:44,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:48:44,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:48:44,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:48:44,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:48:44,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:48:44,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:48:44,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:48:44,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:48:44,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:48:44,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:48:44,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:48:44,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:48:44,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:48:44,939 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:48:44,953 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:48:44,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:48:44,955 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:48:44,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:48:44,956 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:48:44,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:48:44,957 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:48:44,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:48:44,957 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:48:44,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:48:44,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:48:44,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:48:44,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:48:44,960 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:48:44,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:48:44,960 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:48:44,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:48:44,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:48:44,961 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:48:44,961 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:48:44,962 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:48:44,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:48:44,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:48:44,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:48:44,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:48:44,963 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:48:44,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:48:44,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:48:44,964 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 -> 1ba5abe06d07a4712bf40ef71e353712c0bd3c97 [2019-11-27 23:48:45,362 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:48:45,374 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:48:45,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:48:45,379 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:48:45,380 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:48:45,381 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0740.c [2019-11-27 23:48:45,436 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48d290afc/495dcd049c4d4bd6b991a4c008ab576e/FLAGe81af1366 [2019-11-27 23:48:45,854 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:48:45,855 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0740.c [2019-11-27 23:48:45,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48d290afc/495dcd049c4d4bd6b991a4c008ab576e/FLAGe81af1366 [2019-11-27 23:48:46,267 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48d290afc/495dcd049c4d4bd6b991a4c008ab576e [2019-11-27 23:48:46,271 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:48:46,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:48:46,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:48:46,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:48:46,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:48:46,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:48:46" (1/1) ... [2019-11-27 23:48:46,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee01756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:48:46, skipping insertion in model container [2019-11-27 23:48:46,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:48:46" (1/1) ... [2019-11-27 23:48:46,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:48:46,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:48:46,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:48:46,532 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:48:46,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:48:46,694 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:48:46,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:48:46 WrapperNode [2019-11-27 23:48:46,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:48:46,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:48:46,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:48:46,697 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:48:46,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:48:46" (1/1) ... [2019-11-27 23:48:46,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:48:46" (1/1) ... [2019-11-27 23:48:46,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:48:46,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:48:46,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:48:46,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:48:46,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:48:46" (1/1) ... [2019-11-27 23:48:46,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:48:46" (1/1) ... [2019-11-27 23:48:46,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:48:46" (1/1) ... [2019-11-27 23:48:46,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:48:46" (1/1) ... [2019-11-27 23:48:46,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:48:46" (1/1) ... [2019-11-27 23:48:46,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:48:46" (1/1) ... [2019-11-27 23:48:46,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:48:46" (1/1) ... [2019-11-27 23:48:46,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:48:46,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:48:46,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:48:46,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:48:46,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:48:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:48:46,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:48:46,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-27 23:48:46,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-27 23:48:46,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-27 23:48:46,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:48:46,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:48:46,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-27 23:48:46,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 23:48:47,329 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:48:47,329 INFO L297 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-27 23:48:47,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:48:47 BoogieIcfgContainer [2019-11-27 23:48:47,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:48:47,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:48:47,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:48:47,335 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:48:47,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:48:46" (1/3) ... [2019-11-27 23:48:47,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ddfc9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:48:47, skipping insertion in model container [2019-11-27 23:48:47,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:48:46" (2/3) ... [2019-11-27 23:48:47,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ddfc9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:48:47, skipping insertion in model container [2019-11-27 23:48:47,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:48:47" (3/3) ... [2019-11-27 23:48:47,339 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0740.c [2019-11-27 23:48:47,349 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:48:47,356 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:48:47,368 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:48:47,389 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:48:47,390 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:48:47,390 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:48:47,390 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:48:47,391 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:48:47,391 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:48:47,391 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:48:47,391 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:48:47,408 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-11-27 23:48:47,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-27 23:48:47,415 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:48:47,416 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:48:47,416 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:48:47,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:48:47,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1903734416, now seen corresponding path program 1 times [2019-11-27 23:48:47,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:48:47,434 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589151708] [2019-11-27 23:48:47,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:48:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:48:47,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:48:47,549 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589151708] [2019-11-27 23:48:47,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:48:47,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 23:48:47,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379595003] [2019-11-27 23:48:47,555 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:48:47,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:48:47,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:48:47,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:48:47,569 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-11-27 23:48:47,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:48:47,586 INFO L93 Difference]: Finished difference Result 64 states and 98 transitions. [2019-11-27 23:48:47,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:48:47,588 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-27 23:48:47,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:48:47,597 INFO L225 Difference]: With dead ends: 64 [2019-11-27 23:48:47,598 INFO L226 Difference]: Without dead ends: 30 [2019-11-27 23:48:47,601 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:48:47,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-27 23:48:47,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-27 23:48:47,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-27 23:48:47,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2019-11-27 23:48:47,637 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 9 [2019-11-27 23:48:47,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:48:47,637 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2019-11-27 23:48:47,637 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:48:47,638 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2019-11-27 23:48:47,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-27 23:48:47,639 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:48:47,639 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:48:47,639 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:48:47,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:48:47,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1484616397, now seen corresponding path program 1 times [2019-11-27 23:48:47,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:48:47,640 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386243500] [2019-11-27 23:48:47,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:48:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:48:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:48:47,731 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-27 23:48:47,731 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-27 23:48:47,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:48:47 BoogieIcfgContainer [2019-11-27 23:48:47,763 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:48:47,763 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:48:47,764 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:48:47,764 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:48:47,764 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:48:47" (3/4) ... [2019-11-27 23:48:47,768 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-27 23:48:47,768 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:48:47,770 INFO L168 Benchmark]: Toolchain (without parser) took 1496.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -133.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:48:47,771 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:48:47,772 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -186.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-27 23:48:47,774 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:48:47,775 INFO L168 Benchmark]: Boogie Preprocessor took 64.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:48:47,776 INFO L168 Benchmark]: RCFGBuilder took 500.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-27 23:48:47,777 INFO L168 Benchmark]: TraceAbstraction took 431.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:48:47,777 INFO L168 Benchmark]: Witness Printer took 4.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:48:47,789 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 422.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -186.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 500.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 431.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 97]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someBinaryArithmeticFLOAToperation at line 30, overapproximation of bitwiseAnd at line 27. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L91] float x = -1.0f / 0.0f; [L18] float z; [L19] __uint32_t r, hx; [L20] __int32_t ix, s, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (ix) = gf_u.word [L27] hx = ix & 0x7fffffff VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L29] COND TRUE !((hx) < 0x7f800000L) [L30] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L93] float res = __ieee754_sqrtf(x); [L13] return x != x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L96] COND TRUE !isnan_float(res) [L97] __VERIFIER_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 43 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:48:49,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:48:49,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:48:49,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:48:49,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:48:49,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:48:49,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:48:49,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:48:49,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:48:49,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:48:49,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:48:49,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:48:49,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:48:49,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:48:49,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:48:49,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:48:49,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:48:49,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:48:49,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:48:49,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:48:49,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:48:49,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:48:49,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:48:49,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:48:49,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:48:49,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:48:49,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:48:49,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:48:49,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:48:49,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:48:49,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:48:49,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:48:49,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:48:49,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:48:49,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:48:49,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:48:49,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:48:49,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:48:49,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:48:49,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:48:49,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:48:49,889 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 23:48:49,913 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:48:49,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:48:49,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:48:49,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:48:49,919 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:48:49,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:48:49,920 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:48:49,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:48:49,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:48:49,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:48:49,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:48:49,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:48:49,923 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 23:48:49,923 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 23:48:49,924 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:48:49,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:48:49,924 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:48:49,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:48:49,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:48:49,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:48:49,926 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:48:49,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:48:49,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:48:49,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:48:49,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:48:49,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:48:49,931 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 23:48:49,932 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 23:48:49,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:48:49,932 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 23:48:49,932 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 -> 1ba5abe06d07a4712bf40ef71e353712c0bd3c97 [2019-11-27 23:48:50,255 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:48:50,271 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:48:50,274 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:48:50,276 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:48:50,277 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:48:50,278 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0740.c [2019-11-27 23:48:50,344 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e4c17aae/ba043e58dd0144d99aae556d0d22ce51/FLAG16bc6c0d8 [2019-11-27 23:48:50,855 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:48:50,856 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0740.c [2019-11-27 23:48:50,865 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e4c17aae/ba043e58dd0144d99aae556d0d22ce51/FLAG16bc6c0d8 [2019-11-27 23:48:51,239 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e4c17aae/ba043e58dd0144d99aae556d0d22ce51 [2019-11-27 23:48:51,243 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:48:51,245 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:48:51,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:48:51,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:48:51,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:48:51,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:48:51" (1/1) ... [2019-11-27 23:48:51,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63cff6e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:48:51, skipping insertion in model container [2019-11-27 23:48:51,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:48:51" (1/1) ... [2019-11-27 23:48:51,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:48:51,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:48:51,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:48:51,526 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:48:51,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:48:51,650 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:48:51,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:48:51 WrapperNode [2019-11-27 23:48:51,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:48:51,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:48:51,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:48:51,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:48:51,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:48:51" (1/1) ... [2019-11-27 23:48:51,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:48:51" (1/1) ... [2019-11-27 23:48:51,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:48:51,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:48:51,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:48:51,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:48:51,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:48:51" (1/1) ... [2019-11-27 23:48:51,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:48:51" (1/1) ... [2019-11-27 23:48:51,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:48:51" (1/1) ... [2019-11-27 23:48:51,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:48:51" (1/1) ... [2019-11-27 23:48:51,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:48:51" (1/1) ... [2019-11-27 23:48:51,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:48:51" (1/1) ... [2019-11-27 23:48:51,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:48:51" (1/1) ... [2019-11-27 23:48:51,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:48:51,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:48:51,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:48:51,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:48:51,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:48:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:48:51,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:48:51,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-27 23:48:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-27 23:48:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:48:51,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:48:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-27 23:48:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-27 23:48:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 23:48:52,669 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:48:52,669 INFO L297 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-27 23:48:52,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:48:52 BoogieIcfgContainer [2019-11-27 23:48:52,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:48:52,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:48:52,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:48:52,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:48:52,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:48:51" (1/3) ... [2019-11-27 23:48:52,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421a07ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:48:52, skipping insertion in model container [2019-11-27 23:48:52,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:48:51" (2/3) ... [2019-11-27 23:48:52,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421a07ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:48:52, skipping insertion in model container [2019-11-27 23:48:52,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:48:52" (3/3) ... [2019-11-27 23:48:52,678 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0740.c [2019-11-27 23:48:52,687 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:48:52,694 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:48:52,703 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:48:52,728 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:48:52,728 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:48:52,728 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:48:52,728 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:48:52,728 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:48:52,729 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:48:52,729 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:48:52,729 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:48:52,742 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-11-27 23:48:52,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-27 23:48:52,749 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:48:52,750 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:48:52,751 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:48:52,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:48:52,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1903734416, now seen corresponding path program 1 times [2019-11-27 23:48:52,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:48:52,767 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2005054662] [2019-11-27 23:48:52,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-27 23:48:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:48:52,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-27 23:48:52,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:48:53,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:48:53,007 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:48:53,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:48:53,012 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2005054662] [2019-11-27 23:48:53,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:48:53,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-27 23:48:53,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922373730] [2019-11-27 23:48:53,019 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:48:53,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:48:53,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:48:53,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:48:53,037 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-11-27 23:48:53,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:48:53,058 INFO L93 Difference]: Finished difference Result 64 states and 98 transitions. [2019-11-27 23:48:53,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:48:53,059 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-27 23:48:53,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:48:53,071 INFO L225 Difference]: With dead ends: 64 [2019-11-27 23:48:53,071 INFO L226 Difference]: Without dead ends: 30 [2019-11-27 23:48:53,075 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:48:53,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-27 23:48:53,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-27 23:48:53,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-27 23:48:53,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2019-11-27 23:48:53,116 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 9 [2019-11-27 23:48:53,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:48:53,116 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2019-11-27 23:48:53,116 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:48:53,116 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2019-11-27 23:48:53,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-27 23:48:53,117 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:48:53,117 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:48:53,330 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-27 23:48:53,331 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:48:53,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:48:53,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1484616397, now seen corresponding path program 1 times [2019-11-27 23:48:53,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:48:53,332 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2111471385] [2019-11-27 23:48:53,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-27 23:48:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:48:53,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-27 23:48:53,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:48:53,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:48:53,616 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:48:56,232 WARN L192 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-11-27 23:48:56,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:48:56,246 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2111471385] [2019-11-27 23:48:56,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:48:56,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-27 23:48:56,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6783732] [2019-11-27 23:48:56,249 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-27 23:48:56,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:48:56,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-27 23:48:56,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-27 23:48:56,250 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand 10 states. [2019-11-27 23:48:57,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:48:57,282 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2019-11-27 23:48:57,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-27 23:48:57,286 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 10 [2019-11-27 23:48:57,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:48:57,287 INFO L225 Difference]: With dead ends: 35 [2019-11-27 23:48:57,287 INFO L226 Difference]: Without dead ends: 30 [2019-11-27 23:48:57,288 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-11-27 23:48:57,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-27 23:48:57,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-27 23:48:57,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-27 23:48:57,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2019-11-27 23:48:57,304 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 38 transitions. Word has length 10 [2019-11-27 23:48:57,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:48:57,304 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 38 transitions. [2019-11-27 23:48:57,305 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-27 23:48:57,306 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2019-11-27 23:48:57,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-27 23:48:57,307 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:48:57,308 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:48:57,516 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-27 23:48:57,516 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:48:57,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:48:57,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1245605874, now seen corresponding path program 1 times [2019-11-27 23:48:57,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:48:57,518 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1198585161] [2019-11-27 23:48:57,518 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-27 23:48:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:48:57,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-27 23:48:57,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:48:57,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:48:57,711 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:48:57,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:48:57,834 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1198585161] [2019-11-27 23:48:57,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:48:57,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-27 23:48:57,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355299549] [2019-11-27 23:48:57,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-27 23:48:57,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:48:57,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-27 23:48:57,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-27 23:48:57,837 INFO L87 Difference]: Start difference. First operand 30 states and 38 transitions. Second operand 8 states. [2019-11-27 23:48:57,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:48:57,995 INFO L93 Difference]: Finished difference Result 30 states and 38 transitions. [2019-11-27 23:48:57,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 23:48:57,996 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-27 23:48:57,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:48:57,996 INFO L225 Difference]: With dead ends: 30 [2019-11-27 23:48:57,996 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:48:57,997 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-27 23:48:57,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:48:57,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:48:57,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:48:57,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:48:57,999 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-27 23:48:57,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:48:57,999 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:48:58,000 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-27 23:48:58,000 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:48:58,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:48:58,210 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-27 23:48:58,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:48:58,345 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:48:58,345 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:48:58,345 INFO L242 CegarLoopResult]: At program point L53-2(lines 53 62) the Hoare annotation is: false [2019-11-27 23:48:58,345 INFO L246 CegarLoopResult]: For program point L53-3(lines 17 82) no Hoare annotation was computed. [2019-11-27 23:48:58,345 INFO L246 CegarLoopResult]: For program point L45(lines 45 46) no Hoare annotation was computed. [2019-11-27 23:48:58,346 INFO L246 CegarLoopResult]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2019-11-27 23:48:58,346 INFO L246 CegarLoopResult]: For program point L29(lines 29 30) no Hoare annotation was computed. [2019-11-27 23:48:58,346 INFO L242 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (= |ULTIMATE.start___ieee754_sqrtf_#res| (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_sqrtf_~x) (= currentRoundingMode roundNearestTiesToEven)) [2019-11-27 23:48:58,346 INFO L246 CegarLoopResult]: For program point L38(lines 38 42) no Hoare annotation was computed. [2019-11-27 23:48:58,346 INFO L246 CegarLoopResult]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2019-11-27 23:48:58,347 INFO L246 CegarLoopResult]: For program point L96(lines 96 99) no Hoare annotation was computed. [2019-11-27 23:48:58,347 INFO L246 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2019-11-27 23:48:58,347 INFO L246 CegarLoopResult]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2019-11-27 23:48:58,347 INFO L246 CegarLoopResult]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2019-11-27 23:48:58,347 INFO L242 CegarLoopResult]: At program point L22-2(lines 22 26) the Hoare annotation is: (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_sqrtf_~x) (= currentRoundingMode roundNearestTiesToEven)) [2019-11-27 23:48:58,348 INFO L246 CegarLoopResult]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2019-11-27 23:48:58,348 INFO L246 CegarLoopResult]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2019-11-27 23:48:58,348 INFO L242 CegarLoopResult]: At program point L39-3(lines 39 40) the Hoare annotation is: false [2019-11-27 23:48:58,348 INFO L246 CegarLoopResult]: For program point L39-4(lines 39 40) no Hoare annotation was computed. [2019-11-27 23:48:58,349 INFO L246 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-27 23:48:58,349 INFO L246 CegarLoopResult]: For program point L64(lines 64 73) no Hoare annotation was computed. [2019-11-27 23:48:58,349 INFO L242 CegarLoopResult]: At program point L81(lines 17 82) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_sqrtf_#res| (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_sqrtf_~x) (= currentRoundingMode roundNearestTiesToEven)) [2019-11-27 23:48:58,349 INFO L246 CegarLoopResult]: For program point L32(lines 32 33) no Hoare annotation was computed. [2019-11-27 23:48:58,350 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:48:58,350 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) no Hoare annotation was computed. [2019-11-27 23:48:58,350 INFO L246 CegarLoopResult]: For program point L66(lines 66 72) no Hoare annotation was computed. [2019-11-27 23:48:58,351 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:48:58,351 INFO L246 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-11-27 23:48:58,351 INFO L246 CegarLoopResult]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2019-11-27 23:48:58,351 INFO L242 CegarLoopResult]: At program point L76-2(lines 76 80) the Hoare annotation is: false [2019-11-27 23:48:58,351 INFO L246 CegarLoopResult]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2019-11-27 23:48:58,352 INFO L249 CegarLoopResult]: At program point L101(lines 84 102) the Hoare annotation is: true [2019-11-27 23:48:58,352 INFO L246 CegarLoopResult]: For program point L68(lines 68 71) no Hoare annotation was computed. [2019-11-27 23:48:58,366 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,367 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,367 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,368 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,368 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,369 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,369 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,369 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,370 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,372 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,372 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,373 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,375 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,375 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,376 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,376 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,376 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,377 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,377 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,378 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,378 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,380 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,381 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,381 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,381 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,382 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,382 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,383 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,383 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,383 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,385 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,388 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,388 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,388 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,392 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,395 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,395 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,396 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:48:58 BoogieIcfgContainer [2019-11-27 23:48:58,402 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:48:58,403 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:48:58,403 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:48:58,403 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:48:58,404 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:48:52" (3/4) ... [2019-11-27 23:48:58,408 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:48:58,425 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-27 23:48:58,425 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-27 23:48:58,426 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-27 23:48:58,462 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-11-27 23:48:58,463 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1bv32 == \result && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-11-27 23:48:58,504 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:48:58,504 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:48:58,506 INFO L168 Benchmark]: Toolchain (without parser) took 7261.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 953.7 MB in the beginning and 980.7 MB in the end (delta: -27.0 MB). Peak memory consumption was 108.2 MB. Max. memory is 11.5 GB. [2019-11-27 23:48:58,507 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:48:58,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -164.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-27 23:48:58,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:48:58,509 INFO L168 Benchmark]: Boogie Preprocessor took 47.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:48:58,509 INFO L168 Benchmark]: RCFGBuilder took 913.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-11-27 23:48:58,510 INFO L168 Benchmark]: TraceAbstraction took 5730.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 987.3 MB in the end (delta: 107.0 MB). Peak memory consumption was 107.0 MB. Max. memory is 11.5 GB. [2019-11-27 23:48:58,511 INFO L168 Benchmark]: Witness Printer took 101.99 ms. Allocated memory is still 1.2 GB. Free memory was 987.3 MB in the beginning and 980.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:48:58,513 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 404.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -164.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 913.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5730.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 987.3 MB in the end (delta: 107.0 MB). Peak memory consumption was 107.0 MB. Max. memory is 11.5 GB. * Witness Printer took 101.99 ms. Allocated memory is still 1.2 GB. Free memory was 987.3 MB in the beginning and 980.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 97]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant [2019-11-27 23:48:58,540 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,540 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,541 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,543 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,544 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,544 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,544 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,545 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,545 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,545 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,546 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,546 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,547 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,549 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,549 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,549 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,550 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,550 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,550 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,551 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,551 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,553 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (\result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 13]: Loop Invariant [2019-11-27 23:48:58,556 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,556 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,557 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,557 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,557 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,557 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,562 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,562 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,562 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,563 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,563 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,564 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,564 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((1bv32 == \result && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant [2019-11-27 23:48:58,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:58,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:58,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Result: SAFE, OverallTime: 5.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 77 SDtfs, 49 SDslu, 130 SDs, 0 SdLazy, 53 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 11 NumberOfFragments, 100 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 10 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 54 ConstructedInterpolants, 5 QuantifiedInterpolants, 3568 SizeOfPredicates, 17 NumberOfNonLiveVariables, 90 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...