./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/float_req_bl_0910a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: 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 /storage/repos/svcomp/c/float-newlib/float_req_bl_0910a_true-unreach-call.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 534ce73b969c24d3fe4a2996f4697b5d070e8f3e ........................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: 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 /storage/repos/svcomp/c/float-newlib/float_req_bl_0910a_true-unreach-call.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 534ce73b969c24d3fe4a2996f4697b5d070e8f3e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 09:14:25,767 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:14:25,768 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:14:25,779 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:14:25,780 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:14:25,781 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:14:25,782 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:14:25,784 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:14:25,786 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:14:25,790 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:14:25,791 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:14:25,792 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:14:25,794 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:14:25,795 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:14:25,796 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:14:25,799 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:14:25,800 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:14:25,808 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:14:25,812 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:14:25,817 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:14:25,818 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:14:25,821 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:14:25,826 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:14:25,826 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:14:25,826 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:14:25,827 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:14:25,829 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:14:25,830 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:14:25,831 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:14:25,834 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:14:25,834 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:14:25,837 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:14:25,837 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:14:25,838 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:14:25,839 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:14:25,839 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:14:25,840 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 09:14:25,862 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:14:25,862 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:14:25,863 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:14:25,864 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:14:25,864 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:14:25,864 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:14:25,865 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:14:25,865 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 09:14:25,865 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:14:25,865 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:14:25,865 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:14:25,866 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:14:25,866 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:14:25,866 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:14:25,866 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:14:25,866 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:14:25,866 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:14:25,867 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:14:25,868 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:14:25,869 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:14:25,869 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:14:25,869 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:14:25,869 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:14:25,869 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:14:25,869 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:14:25,870 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 09:14:25,871 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:14:25,871 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 09:14:25,871 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> 534ce73b969c24d3fe4a2996f4697b5d070e8f3e [2019-01-12 09:14:25,929 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:14:25,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:14:25,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:14:25,947 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:14:25,948 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:14:25,949 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0910a_true-unreach-call.c [2019-01-12 09:14:26,015 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a973bbf5/137f6f5c0e0a47609ca877d7e2594b33/FLAG09a3cae88 [2019-01-12 09:14:26,427 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:14:26,428 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0910a_true-unreach-call.c [2019-01-12 09:14:26,438 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a973bbf5/137f6f5c0e0a47609ca877d7e2594b33/FLAG09a3cae88 [2019-01-12 09:14:26,801 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a973bbf5/137f6f5c0e0a47609ca877d7e2594b33 [2019-01-12 09:14:26,805 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:14:26,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:14:26,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:14:26,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:14:26,812 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:14:26,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:14:26" (1/1) ... [2019-01-12 09:14:26,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@152ee249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:14:26, skipping insertion in model container [2019-01-12 09:14:26,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:14:26" (1/1) ... [2019-01-12 09:14:26,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:14:26,849 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:14:27,128 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:14:27,142 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:14:27,223 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:14:27,261 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:14:27,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:14:27 WrapperNode [2019-01-12 09:14:27,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:14:27,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:14:27,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:14:27,264 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:14:27,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:14:27" (1/1) ... [2019-01-12 09:14:27,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:14:27" (1/1) ... [2019-01-12 09:14:27,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:14:27,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:14:27,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:14:27,389 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:14:27,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:14:27" (1/1) ... [2019-01-12 09:14:27,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:14:27" (1/1) ... [2019-01-12 09:14:27,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:14:27" (1/1) ... [2019-01-12 09:14:27,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:14:27" (1/1) ... [2019-01-12 09:14:27,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:14:27" (1/1) ... [2019-01-12 09:14:27,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:14:27" (1/1) ... [2019-01-12 09:14:27,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:14:27" (1/1) ... [2019-01-12 09:14:27,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:14:27,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:14:27,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:14:27,446 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:14:27,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:14:27" (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 [2019-01-12 09:14:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-01-12 09:14:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-12 09:14:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-01-12 09:14:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:14:27,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:14:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-12 09:14:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:14:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:14:28,041 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:14:28,042 INFO L286 CfgBuilder]: Removed 16 assue(true) statements. [2019-01-12 09:14:28,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:14:28 BoogieIcfgContainer [2019-01-12 09:14:28,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:14:28,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:14:28,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:14:28,047 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:14:28,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:14:26" (1/3) ... [2019-01-12 09:14:28,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@afc0685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:14:28, skipping insertion in model container [2019-01-12 09:14:28,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:14:27" (2/3) ... [2019-01-12 09:14:28,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@afc0685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:14:28, skipping insertion in model container [2019-01-12 09:14:28,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:14:28" (3/3) ... [2019-01-12 09:14:28,051 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0910a_true-unreach-call.c [2019-01-12 09:14:28,062 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:14:28,071 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:14:28,088 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:14:28,120 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:14:28,121 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:14:28,121 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:14:28,121 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:14:28,122 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:14:28,122 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:14:28,122 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:14:28,122 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:14:28,122 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:14:28,135 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-01-12 09:14:28,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-12 09:14:28,142 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:14:28,143 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:14:28,144 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:14:28,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:14:28,150 INFO L82 PathProgramCache]: Analyzing trace with hash -179144357, now seen corresponding path program 1 times [2019-01-12 09:14:28,151 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:14:28,152 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:14:28,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:14:28,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:14:28,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:14:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:14:28,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:14:28,270 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:14:28,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:14:28,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:14:28,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:14:28,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:14:28,286 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-01-12 09:14:28,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:14:28,306 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2019-01-12 09:14:28,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:14:28,308 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-01-12 09:14:28,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:14:28,319 INFO L225 Difference]: With dead ends: 64 [2019-01-12 09:14:28,319 INFO L226 Difference]: Without dead ends: 30 [2019-01-12 09:14:28,322 INFO L631 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 [2019-01-12 09:14:28,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-01-12 09:14:28,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-01-12 09:14:28,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-01-12 09:14:28,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2019-01-12 09:14:28,357 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 11 [2019-01-12 09:14:28,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:14:28,357 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2019-01-12 09:14:28,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:14:28,357 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2019-01-12 09:14:28,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-01-12 09:14:28,358 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:14:28,358 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:14:28,359 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:14:28,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:14:28,359 INFO L82 PathProgramCache]: Analyzing trace with hash 574087680, now seen corresponding path program 1 times [2019-01-12 09:14:28,359 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:14:28,359 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:14:28,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:14:28,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:14:28,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:14:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:14:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:14:28,487 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 09:14:28,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:14:28 BoogieIcfgContainer [2019-01-12 09:14:28,527 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:14:28,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:14:28,527 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:14:28,528 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:14:28,528 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:14:28" (3/4) ... [2019-01-12 09:14:28,532 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 09:14:28,532 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:14:28,533 INFO L168 Benchmark]: Toolchain (without parser) took 1727.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -102.6 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2019-01-12 09:14:28,535 INFO L168 Benchmark]: CDTParser took 0.97 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:14:28,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.40 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:14:28,537 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -177.9 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:14:28,538 INFO L168 Benchmark]: Boogie Preprocessor took 56.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-01-12 09:14:28,539 INFO L168 Benchmark]: RCFGBuilder took 597.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2019-01-12 09:14:28,540 INFO L168 Benchmark]: TraceAbstraction took 482.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-01-12 09:14:28,540 INFO L168 Benchmark]: Witness Printer took 5.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:14:28,546 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 454.40 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 125.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -177.9 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 597.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 482.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Witness Printer took 5.17 ms. Allocated memory is still 1.1 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: 120]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 43, overapproximation of bitwiseAnd at line 19. Possible FailurePath: [L23-L27] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L29] static const float zero_log = 0.0; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L115] float x = 0.0f; [L32] float hfsq, f, s, z, R, w, t1, t2, dk; [L33] __int32_t k, ix, i, j; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L36] ieee_float_shape_type gf_u; [L37] gf_u.value = (x) [L38] EXPR gf_u.word [L38] (ix) = gf_u.word [L41] k = 0 VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L42] COND TRUE ((ix & 0x7fffffff) == 0) [L43] return -two25_log / zero_log; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L116] float res = __ieee754_logf(x); [L13] __int32_t ix; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L15] ieee_float_shape_type gf_u; [L16] gf_u.value = (x) [L17] EXPR gf_u.word [L17] (ix) = gf_u.word [L19] ix &= 0x7fffffff [L20] return ((ix) == 0x7f800000L); VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L119] COND TRUE !isinf_float(res) [L120] __VERIFIER_error() VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, 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 AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.24-0ed9222-m [2019-01-12 09:14:30,741 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:14:30,743 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:14:30,763 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:14:30,764 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:14:30,766 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:14:30,769 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:14:30,771 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:14:30,774 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:14:30,777 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:14:30,780 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:14:30,781 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:14:30,781 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:14:30,783 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:14:30,786 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:14:30,788 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:14:30,788 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:14:30,790 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:14:30,792 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:14:30,794 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:14:30,795 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:14:30,796 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:14:30,798 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:14:30,799 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:14:30,799 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:14:30,800 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:14:30,801 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:14:30,801 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:14:30,802 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:14:30,803 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:14:30,803 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:14:30,804 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:14:30,804 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:14:30,805 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:14:30,806 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:14:30,806 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:14:30,807 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 09:14:30,829 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:14:30,830 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:14:30,831 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:14:30,832 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:14:30,833 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:14:30,833 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:14:30,833 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:14:30,834 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:14:30,834 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:14:30,834 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:14:30,835 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:14:30,835 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:14:30,835 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 09:14:30,835 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 09:14:30,835 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:14:30,836 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:14:30,836 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:14:30,836 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:14:30,837 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:14:30,837 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:14:30,837 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:14:30,837 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:14:30,837 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:14:30,838 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:14:30,838 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:14:30,838 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:14:30,838 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 09:14:30,838 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:14:30,839 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 09:14:30,841 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 09:14:30,842 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> 534ce73b969c24d3fe4a2996f4697b5d070e8f3e [2019-01-12 09:14:30,889 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:14:30,902 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:14:30,906 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:14:30,907 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:14:30,908 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:14:30,909 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0910a_true-unreach-call.c [2019-01-12 09:14:30,975 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5a40768f/ab9670c55d8346048bb874a474b529ef/FLAGf822178d2 [2019-01-12 09:14:31,421 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:14:31,422 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0910a_true-unreach-call.c [2019-01-12 09:14:31,433 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5a40768f/ab9670c55d8346048bb874a474b529ef/FLAGf822178d2 [2019-01-12 09:14:31,783 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5a40768f/ab9670c55d8346048bb874a474b529ef [2019-01-12 09:14:31,786 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:14:31,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:14:31,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:14:31,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:14:31,794 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:14:31,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:14:31" (1/1) ... [2019-01-12 09:14:31,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5457b1b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:14:31, skipping insertion in model container [2019-01-12 09:14:31,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:14:31" (1/1) ... [2019-01-12 09:14:31,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:14:31,842 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:14:32,136 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:14:32,149 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:14:32,202 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:14:32,247 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:14:32,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:14:32 WrapperNode [2019-01-12 09:14:32,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:14:32,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:14:32,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:14:32,249 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:14:32,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:14:32" (1/1) ... [2019-01-12 09:14:32,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:14:32" (1/1) ... [2019-01-12 09:14:32,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:14:32,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:14:32,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:14:32,392 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:14:32,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:14:32" (1/1) ... [2019-01-12 09:14:32,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:14:32" (1/1) ... [2019-01-12 09:14:32,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:14:32" (1/1) ... [2019-01-12 09:14:32,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:14:32" (1/1) ... [2019-01-12 09:14:32,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:14:32" (1/1) ... [2019-01-12 09:14:32,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:14:32" (1/1) ... [2019-01-12 09:14:32,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:14:32" (1/1) ... [2019-01-12 09:14:32,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:14:32,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:14:32,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:14:32,465 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:14:32,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:14:32" (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 [2019-01-12 09:14:32,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:14:32,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-01-12 09:14:32,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-12 09:14:32,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:14:32,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:14:32,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-01-12 09:14:32,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-12 09:14:32,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:14:32,786 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:14:33,687 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:14:46,169 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:14:46,195 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:14:46,195 INFO L286 CfgBuilder]: Removed 16 assue(true) statements. [2019-01-12 09:14:46,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:14:46 BoogieIcfgContainer [2019-01-12 09:14:46,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:14:46,199 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:14:46,199 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:14:46,201 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:14:46,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:14:31" (1/3) ... [2019-01-12 09:14:46,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@703ed1bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:14:46, skipping insertion in model container [2019-01-12 09:14:46,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:14:32" (2/3) ... [2019-01-12 09:14:46,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@703ed1bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:14:46, skipping insertion in model container [2019-01-12 09:14:46,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:14:46" (3/3) ... [2019-01-12 09:14:46,205 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0910a_true-unreach-call.c [2019-01-12 09:14:46,215 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:14:46,222 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:14:46,239 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:14:46,269 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:14:46,270 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:14:46,270 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:14:46,270 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:14:46,271 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:14:46,271 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:14:46,271 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:14:46,271 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:14:46,271 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:14:46,283 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-01-12 09:14:46,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-12 09:14:46,290 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:14:46,291 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:14:46,294 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:14:46,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:14:46,300 INFO L82 PathProgramCache]: Analyzing trace with hash -179144357, now seen corresponding path program 1 times [2019-01-12 09:14:46,303 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:14:46,304 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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 [2019-01-12 09:14:46,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:14:46,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:14:46,585 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:14:46,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:14:46,600 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:14:46,616 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:14:46,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:14:46,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:14:46,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:14:46,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:14:46,635 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-01-12 09:14:46,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:14:46,652 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2019-01-12 09:14:46,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:14:46,653 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-01-12 09:14:46,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:14:46,664 INFO L225 Difference]: With dead ends: 64 [2019-01-12 09:14:46,664 INFO L226 Difference]: Without dead ends: 30 [2019-01-12 09:14:46,668 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:14:46,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-01-12 09:14:46,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-01-12 09:14:46,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-01-12 09:14:46,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2019-01-12 09:14:46,700 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 11 [2019-01-12 09:14:46,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:14:46,701 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2019-01-12 09:14:46,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:14:46,701 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2019-01-12 09:14:46,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-01-12 09:14:46,702 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:14:46,703 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:14:46,703 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:14:46,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:14:46,703 INFO L82 PathProgramCache]: Analyzing trace with hash 574087680, now seen corresponding path program 1 times [2019-01-12 09:14:46,705 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:14:46,705 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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 [2019-01-12 09:14:46,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:14:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:14:46,991 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:14:47,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:14:47,480 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:14:47,499 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:14:47,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-12 09:14:47,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-12 09:14:47,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-12 09:14:47,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-01-12 09:14:47,503 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand 8 states. [2019-01-12 09:15:01,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:15:01,434 INFO L93 Difference]: Finished difference Result 38 states and 47 transitions. [2019-01-12 09:15:01,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-12 09:15:01,456 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2019-01-12 09:15:01,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:15:01,457 INFO L225 Difference]: With dead ends: 38 [2019-01-12 09:15:01,458 INFO L226 Difference]: Without dead ends: 30 [2019-01-12 09:15:01,459 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2019-01-12 09:15:01,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-01-12 09:15:01,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-01-12 09:15:01,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-01-12 09:15:01,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2019-01-12 09:15:01,465 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 39 transitions. Word has length 13 [2019-01-12 09:15:01,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:15:01,465 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 39 transitions. [2019-01-12 09:15:01,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-12 09:15:01,466 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2019-01-12 09:15:01,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-01-12 09:15:01,467 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:15:01,467 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:15:01,468 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:15:01,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:15:01,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1681903329, now seen corresponding path program 1 times [2019-01-12 09:15:01,470 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:15:01,470 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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) [2019-01-12 09:15:01,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-01-12 09:15:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:15:01,744 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:15:01,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:15:01,833 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:15:01,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:15:01,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 09:15:01,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 09:15:01,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 09:15:01,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-12 09:15:01,848 INFO L87 Difference]: Start difference. First operand 30 states and 39 transitions. Second operand 4 states. [2019-01-12 09:15:01,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:15:01,879 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2019-01-12 09:15:01,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 09:15:01,880 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-01-12 09:15:01,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:15:01,880 INFO L225 Difference]: With dead ends: 30 [2019-01-12 09:15:01,880 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 09:15:01,882 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-12 09:15:01,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 09:15:01,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 09:15:01,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 09:15:01,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 09:15:01,883 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-01-12 09:15:01,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:15:01,883 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 09:15:01,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 09:15:01,885 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 09:15:01,885 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 09:15:01,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 09:15:02,157 WARN L181 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2019-01-12 09:15:02,409 WARN L181 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2019-01-12 09:15:02,413 INFO L444 ceAbstractionStarter]: At program point L35-2(lines 35 39) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)) ~two25_log~0) (= ULTIMATE.start___ieee754_logf_~x (_ +zero 8 24)) (= ~zero_log~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))) [2019-01-12 09:15:02,413 INFO L448 ceAbstractionStarter]: For program point L35-3(lines 35 39) no Hoare annotation was computed. [2019-01-12 09:15:02,414 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2019-01-12 09:15:02,414 INFO L444 ceAbstractionStarter]: At program point L60-2(lines 60 64) the Hoare annotation is: false [2019-01-12 09:15:02,414 INFO L448 ceAbstractionStarter]: For program point L60-3(lines 60 64) no Hoare annotation was computed. [2019-01-12 09:15:02,414 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 82) no Hoare annotation was computed. [2019-01-12 09:15:02,414 INFO L448 ceAbstractionStarter]: For program point L44(lines 44 45) no Hoare annotation was computed. [2019-01-12 09:15:02,414 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 105) no Hoare annotation was computed. [2019-01-12 09:15:02,414 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 74) no Hoare annotation was computed. [2019-01-12 09:15:02,415 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 106) no Hoare annotation was computed. [2019-01-12 09:15:02,415 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 09:15:02,415 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 09:15:02,415 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 122) no Hoare annotation was computed. [2019-01-12 09:15:02,415 INFO L444 ceAbstractionStarter]: At program point L20(lines 12 21) the Hoare annotation is: (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))) (.cse2 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))) (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg .cse1) .cse2))) (and (= ULTIMATE.start_isinf_float_~x .cse0) (= (_ bv1 32) |ULTIMATE.start_isinf_float_#res|) (= .cse1 ~two25_log~0) (= |ULTIMATE.start___ieee754_logf_#res| .cse0) (= ~zero_log~0 .cse2)))) [2019-01-12 09:15:02,415 INFO L448 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2019-01-12 09:15:02,416 INFO L448 ceAbstractionStarter]: For program point L46(lines 46 47) no Hoare annotation was computed. [2019-01-12 09:15:02,418 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 100) no Hoare annotation was computed. [2019-01-12 09:15:02,418 INFO L448 ceAbstractionStarter]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2019-01-12 09:15:02,419 INFO L444 ceAbstractionStarter]: At program point L14-2(lines 14 18) the Hoare annotation is: (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))) (.cse2 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))) (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg .cse1) .cse2))) (and (= ULTIMATE.start_isinf_float_~x .cse0) (= .cse1 ~two25_log~0) (= |ULTIMATE.start___ieee754_logf_#res| .cse0) (= ~zero_log~0 .cse2)))) [2019-01-12 09:15:02,419 INFO L448 ceAbstractionStarter]: For program point L14-3(lines 14 18) no Hoare annotation was computed. [2019-01-12 09:15:02,420 INFO L444 ceAbstractionStarter]: At program point L105(lines 31 107) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))) (and (= .cse0 ~two25_log~0) (= |ULTIMATE.start___ieee754_logf_#res| (fp.div roundNearestTiesToEven (fp.neg .cse0) .cse1)) (= ~zero_log~0 .cse1))) [2019-01-12 09:15:02,420 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 120) no Hoare annotation was computed. [2019-01-12 09:15:02,420 INFO L448 ceAbstractionStarter]: For program point L48(lines 48 56) no Hoare annotation was computed. [2019-01-12 09:15:02,421 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 48 56) no Hoare annotation was computed. [2019-01-12 09:15:02,421 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 09:15:02,421 INFO L451 ceAbstractionStarter]: At program point L123(lines 109 124) the Hoare annotation is: true [2019-01-12 09:15:02,421 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 09:15:02,421 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2019-01-12 09:15:02,421 INFO L448 ceAbstractionStarter]: For program point L67(lines 67 83) no Hoare annotation was computed. [2019-01-12 09:15:02,421 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 51 55) no Hoare annotation was computed. [2019-01-12 09:15:02,421 INFO L444 ceAbstractionStarter]: At program point L51-2(lines 51 55) the Hoare annotation is: false [2019-01-12 09:15:02,422 INFO L448 ceAbstractionStarter]: For program point L68(lines 68 75) no Hoare annotation was computed. [2019-01-12 09:15:02,422 INFO L448 ceAbstractionStarter]: For program point L35-1(lines 35 39) no Hoare annotation was computed. [2019-01-12 09:15:02,436 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,438 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,438 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,442 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,443 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,443 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,445 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,446 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,446 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,446 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,447 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,447 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,447 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,447 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,447 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,449 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,450 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,451 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,452 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,452 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,452 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,452 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,454 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,455 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,455 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,455 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,457 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,457 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,458 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,458 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,458 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,460 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,460 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,460 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,461 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,462 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,462 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,463 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,463 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,463 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,465 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,465 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,466 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,467 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,467 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,467 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,467 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,468 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,468 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,468 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,468 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,469 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,471 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,471 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,472 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,472 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,473 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,473 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,473 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,473 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,474 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,474 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,474 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,475 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:15:02 BoogieIcfgContainer [2019-01-12 09:15:02,480 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:15:02,481 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:15:02,481 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:15:02,481 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:15:02,482 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:14:46" (3/4) ... [2019-01-12 09:15:02,492 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 09:15:02,519 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-01-12 09:15:02,521 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-01-12 09:15:02,521 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 09:15:02,549 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && zero_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) [2019-01-12 09:15:02,549 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && zero_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) [2019-01-12 09:15:02,550 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && 1bv32 == \result) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && zero_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) [2019-01-12 09:15:02,617 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 09:15:02,617 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:15:02,619 INFO L168 Benchmark]: Toolchain (without parser) took 30831.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 944.7 MB in the beginning and 978.1 MB in the end (delta: -33.4 MB). Peak memory consumption was 84.5 MB. Max. memory is 11.5 GB. [2019-01-12 09:15:02,620 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:15:02,620 INFO L168 Benchmark]: CACSL2BoogieTranslator took 460.44 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:15:02,621 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 928.5 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-01-12 09:15:02,622 INFO L168 Benchmark]: Boogie Preprocessor took 71.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:15:02,623 INFO L168 Benchmark]: RCFGBuilder took 13732.83 ms. Allocated memory is still 1.1 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. [2019-01-12 09:15:02,624 INFO L168 Benchmark]: TraceAbstraction took 16281.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 984.8 MB in the end (delta: 95.4 MB). Peak memory consumption was 95.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:15:02,624 INFO L168 Benchmark]: Witness Printer took 136.49 ms. Allocated memory is still 1.1 GB. Free memory was 984.8 MB in the beginning and 978.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:15:02,628 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 460.44 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 142.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 928.5 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 13732.83 ms. Allocated memory is still 1.1 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. * TraceAbstraction took 16281.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 984.8 MB in the end (delta: 95.4 MB). Peak memory consumption was 95.4 MB. Max. memory is 11.5 GB. * Witness Printer took 136.49 ms. Allocated memory is still 1.1 GB. Free memory was 984.8 MB in the beginning and 978.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 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 - 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.traceabstraction: - PositiveResult [Line: 120]: 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: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant [2019-01-12 09:15:02,645 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,646 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,646 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,646 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,647 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,650 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log && x == ~Pluszero~LONGDOUBLE()) && zero_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant [2019-01-12 09:15:02,651 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,651 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,651 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,651 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,651 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,652 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,652 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,652 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,652 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,652 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,653 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,653 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,653 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,654 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,657 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,657 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,657 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,658 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,658 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,658 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,658 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,658 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && zero_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 31]: Loop Invariant [2019-01-12 09:15:02,659 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,659 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,660 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,660 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,660 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,660 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,660 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,661 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,661 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,661 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,661 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,662 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,662 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,662 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && zero_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 12]: Loop Invariant [2019-01-12 09:15:02,663 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,663 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,663 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,663 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,664 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,664 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,664 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,664 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,664 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,664 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,665 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,665 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,665 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,666 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,666 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,666 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,666 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,666 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,667 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,667 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,667 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:15:02,667 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && 1bv32 == \result) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && zero_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. SAFE Result, 16.1s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 14.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 77 SDtfs, 50 SDslu, 146 SDs, 0 SdLazy, 63 SolverSat, 3 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 13.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s 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 AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 12 NumberOfFragments, 126 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 2239 SizeOfPredicates, 12 NumberOfNonLiveVariables, 140 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...