./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0260.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0260.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 f4df82ea580918989808f581f8b270f0b85e6120 ................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0260.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 f4df82ea580918989808f581f8b270f0b85e6120 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 17:44:00,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:44:00,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:44:00,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:44:00,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:44:00,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:44:00,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:44:00,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:44:00,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:44:00,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:44:00,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:44:00,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:44:00,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:44:00,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:44:00,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:44:00,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:44:00,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:44:00,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:44:00,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:44:00,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:44:00,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:44:00,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:44:00,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:44:00,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:44:00,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:44:00,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:44:00,793 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:44:00,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:44:00,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:44:00,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:44:00,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:44:00,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:44:00,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:44:00,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:44:00,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:44:00,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:44:00,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:44:00,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:44:00,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:44:00,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:44:00,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:44:00,802 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 17:44:00,818 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:44:00,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:44:00,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:44:00,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:44:00,823 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:44:00,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:44:00,823 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:44:00,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 17:44:00,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:44:00,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:44:00,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:44:00,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:44:00,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:44:00,824 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:44:00,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:44:00,825 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:44:00,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:44:00,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:44:00,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:44:00,826 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:44:00,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:44:00,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:44:00,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:44:00,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:44:00,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:44:00,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 17:44:00,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 17:44:00,830 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:44:00,831 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:44:00,831 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4df82ea580918989808f581f8b270f0b85e6120 [2020-07-28 17:44:01,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:44:01,142 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:44:01,146 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:44:01,147 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:44:01,148 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:44:01,149 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0260.c [2020-07-28 17:44:01,206 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e450506b2/b36420ccde134215851c0a94e7e8dfac/FLAGfae7bf7d8 [2020-07-28 17:44:01,584 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:44:01,585 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0260.c [2020-07-28 17:44:01,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e450506b2/b36420ccde134215851c0a94e7e8dfac/FLAGfae7bf7d8 [2020-07-28 17:44:01,951 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e450506b2/b36420ccde134215851c0a94e7e8dfac [2020-07-28 17:44:01,954 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:44:01,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:44:01,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:44:01,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:44:01,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:44:01,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:44:01" (1/1) ... [2020-07-28 17:44:01,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f8f01c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:01, skipping insertion in model container [2020-07-28 17:44:01,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:44:01" (1/1) ... [2020-07-28 17:44:01,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:44:02,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:44:02,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:44:02,290 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:44:02,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:44:02,492 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:44:02,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:02 WrapperNode [2020-07-28 17:44:02,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:44:02,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:44:02,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:44:02,495 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:44:02,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:02" (1/1) ... [2020-07-28 17:44:02,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:02" (1/1) ... [2020-07-28 17:44:02,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:44:02,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:44:02,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:44:02,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:44:02,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:02" (1/1) ... [2020-07-28 17:44:02,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:02" (1/1) ... [2020-07-28 17:44:02,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:02" (1/1) ... [2020-07-28 17:44:02,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:02" (1/1) ... [2020-07-28 17:44:02,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:02" (1/1) ... [2020-07-28 17:44:02,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:02" (1/1) ... [2020-07-28 17:44:02,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:02" (1/1) ... [2020-07-28 17:44:02,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:44:02,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:44:02,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:44:02,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:44:02,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:02" (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 [2020-07-28 17:44:02,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:44:02,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-28 17:44:02,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 17:44:02,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-28 17:44:02,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:44:02,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:44:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-28 17:44:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:44:03,392 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:44:03,393 INFO L295 CfgBuilder]: Removed 28 assume(true) statements. [2020-07-28 17:44:03,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:44:03 BoogieIcfgContainer [2020-07-28 17:44:03,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:44:03,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:44:03,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:44:03,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:44:03,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:44:01" (1/3) ... [2020-07-28 17:44:03,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ac9023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:44:03, skipping insertion in model container [2020-07-28 17:44:03,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:02" (2/3) ... [2020-07-28 17:44:03,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ac9023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:44:03, skipping insertion in model container [2020-07-28 17:44:03,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:44:03" (3/3) ... [2020-07-28 17:44:03,407 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0260.c [2020-07-28 17:44:03,417 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:44:03,424 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:44:03,439 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:44:03,464 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:44:03,464 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:44:03,465 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:44:03,465 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:44:03,465 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:44:03,466 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:44:03,466 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:44:03,466 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:44:03,483 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2020-07-28 17:44:03,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-28 17:44:03,490 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:44:03,491 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:44:03,492 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:44:03,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:44:03,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1900532880, now seen corresponding path program 1 times [2020-07-28 17:44:03,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:44:03,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829981868] [2020-07-28 17:44:03,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:44:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:44:03,662 INFO L280 TraceCheckUtils]: 0: Hoare triple {59#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~one_sqrt~0 := 1.0;~tiny_sqrt~0 := 1.0E-30;~one_asin~0 := 1.0;~huge_asin~0 := 1.0E30;~pio2_hi_asin~0 := 1.5707963705062866;~pio2_lo_asin~0 := ~someUnaryFLOAToperation(4.3711390001862426E-8);~pio4_hi_asin~0 := 0.7853981852531433;~pS0_asin~0 := 0.16666667163;~pS1_asin~0 := ~someUnaryDOUBLEoperation(0.32556581497);~pS2_asin~0 := 0.20121252537;~pS3_asin~0 := ~someUnaryDOUBLEoperation(0.040055535734);~pS4_asin~0 := 7.9153501429E-4;~pS5_asin~0 := 3.4793309169E-5;~qS1_asin~0 := ~someUnaryDOUBLEoperation(2.4033949375);~qS2_asin~0 := 2.0209457874;~qS3_asin~0 := ~someUnaryDOUBLEoperation(0.68828397989);~qS4_asin~0 := 0.077038154006; {59#true} is VALID [2020-07-28 17:44:03,663 INFO L280 TraceCheckUtils]: 1: Hoare triple {59#true} havoc main_#res;havoc main_#t~ret17, main_#t~ret18, main_~x~0, main_~res~0;main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0);__ieee754_asinf_#in~x := main_~x~0;havoc __ieee754_asinf_#res;havoc __ieee754_asinf_#t~mem9, __ieee754_asinf_#t~union10, __ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset, __ieee754_asinf_#t~ret11, __ieee754_asinf_#t~ret12, __ieee754_asinf_#t~mem13, __ieee754_asinf_#t~union14, __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset, __ieee754_asinf_#t~mem15, __ieee754_asinf_#t~union16, __ieee754_asinf_~#sf_u~2.base, __ieee754_asinf_~#sf_u~2.offset, __ieee754_asinf_~iw~0, __ieee754_asinf_~x, __ieee754_asinf_~t~1, __ieee754_asinf_~w~0, __ieee754_asinf_~p~0, __ieee754_asinf_~q~1, __ieee754_asinf_~c~0, __ieee754_asinf_~r~1, __ieee754_asinf_~s~1, __ieee754_asinf_~hx~1, __ieee754_asinf_~ix~2;__ieee754_asinf_~x := __ieee754_asinf_#in~x;havoc __ieee754_asinf_~t~1;havoc __ieee754_asinf_~w~0;havoc __ieee754_asinf_~p~0;havoc __ieee754_asinf_~q~1;havoc __ieee754_asinf_~c~0;havoc __ieee754_asinf_~r~1;havoc __ieee754_asinf_~s~1;havoc __ieee754_asinf_~hx~1;havoc __ieee754_asinf_~ix~2; {59#true} is VALID [2020-07-28 17:44:03,665 INFO L280 TraceCheckUtils]: 2: Hoare triple {59#true} assume !true; {60#false} is VALID [2020-07-28 17:44:03,665 INFO L280 TraceCheckUtils]: 3: Hoare triple {60#false} __ieee754_asinf_~ix~2 := ~bitwiseAnd(__ieee754_asinf_~hx~1, 2147483647); {60#false} is VALID [2020-07-28 17:44:03,666 INFO L280 TraceCheckUtils]: 4: Hoare triple {60#false} assume 1065353216 == __ieee754_asinf_~ix~2;__ieee754_asinf_#res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(__ieee754_asinf_~x, ~pio2_hi_asin~0), ~someBinaryArithmeticFLOAToperation(__ieee754_asinf_~x, ~pio2_lo_asin~0)); {60#false} is VALID [2020-07-28 17:44:03,666 INFO L280 TraceCheckUtils]: 5: Hoare triple {60#false} main_#t~ret17 := __ieee754_asinf_#res;main_~res~0 := main_#t~ret17;havoc main_#t~ret17;isnan_float_#in~x := main_~res~0;havoc isnan_float_#res;havoc isnan_float_~x;isnan_float_~x := isnan_float_#in~x;isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0); {60#false} is VALID [2020-07-28 17:44:03,667 INFO L280 TraceCheckUtils]: 6: Hoare triple {60#false} main_#t~ret18 := isnan_float_#res;assume -2147483648 <= main_#t~ret18 && main_#t~ret18 <= 2147483647; {60#false} is VALID [2020-07-28 17:44:03,667 INFO L280 TraceCheckUtils]: 7: Hoare triple {60#false} assume 0 == main_#t~ret18;havoc main_#t~ret18; {60#false} is VALID [2020-07-28 17:44:03,667 INFO L280 TraceCheckUtils]: 8: Hoare triple {60#false} assume !false; {60#false} is VALID [2020-07-28 17:44:03,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:44:03,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829981868] [2020-07-28 17:44:03,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:44:03,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 17:44:03,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990087438] [2020-07-28 17:44:03,679 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-07-28 17:44:03,681 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:44:03,685 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:44:03,703 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:44:03,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:44:03,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 17:44:03,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:44:03,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:44:03,715 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 2 states. [2020-07-28 17:44:03,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:44:03,839 INFO L93 Difference]: Finished difference Result 110 states and 178 transitions. [2020-07-28 17:44:03,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:44:03,840 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-07-28 17:44:03,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:44:03,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:44:03,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 178 transitions. [2020-07-28 17:44:03,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:44:03,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 178 transitions. [2020-07-28 17:44:03,859 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 178 transitions. [2020-07-28 17:44:04,118 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 178 edges. 178 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:44:04,131 INFO L225 Difference]: With dead ends: 110 [2020-07-28 17:44:04,131 INFO L226 Difference]: Without dead ends: 53 [2020-07-28 17:44:04,135 INFO L675 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 [2020-07-28 17:44:04,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-07-28 17:44:04,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-07-28 17:44:04,179 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:44:04,179 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand 53 states. [2020-07-28 17:44:04,180 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 17:44:04,181 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 17:44:04,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:44:04,186 INFO L93 Difference]: Finished difference Result 53 states and 70 transitions. [2020-07-28 17:44:04,186 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2020-07-28 17:44:04,187 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:44:04,188 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:44:04,188 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 17:44:04,188 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 17:44:04,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:44:04,193 INFO L93 Difference]: Finished difference Result 53 states and 70 transitions. [2020-07-28 17:44:04,194 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2020-07-28 17:44:04,194 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:44:04,195 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:44:04,195 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:44:04,195 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:44:04,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-07-28 17:44:04,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 70 transitions. [2020-07-28 17:44:04,201 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 70 transitions. Word has length 9 [2020-07-28 17:44:04,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:44:04,202 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 70 transitions. [2020-07-28 17:44:04,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:44:04,202 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2020-07-28 17:44:04,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 17:44:04,203 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:44:04,204 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:44:04,204 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 17:44:04,204 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:44:04,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:44:04,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1487817933, now seen corresponding path program 1 times [2020-07-28 17:44:04,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:44:04,206 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274708808] [2020-07-28 17:44:04,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:44:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:44:04,266 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:44:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:44:04,296 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:44:04,326 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 17:44:04,326 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 17:44:04,328 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 17:44:04,367 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:44:04,367 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:44:04,367 WARN L170 areAnnotationChecker]: L111-2 has no Hoare annotation [2020-07-28 17:44:04,368 WARN L170 areAnnotationChecker]: L111-2 has no Hoare annotation [2020-07-28 17:44:04,368 WARN L170 areAnnotationChecker]: L111-1 has no Hoare annotation [2020-07-28 17:44:04,368 WARN L170 areAnnotationChecker]: L111-1 has no Hoare annotation [2020-07-28 17:44:04,368 WARN L170 areAnnotationChecker]: L111-3 has no Hoare annotation [2020-07-28 17:44:04,369 WARN L170 areAnnotationChecker]: L117 has no Hoare annotation [2020-07-28 17:44:04,369 WARN L170 areAnnotationChecker]: L117 has no Hoare annotation [2020-07-28 17:44:04,369 WARN L170 areAnnotationChecker]: L173 has no Hoare annotation [2020-07-28 17:44:04,369 WARN L170 areAnnotationChecker]: L120 has no Hoare annotation [2020-07-28 17:44:04,370 WARN L170 areAnnotationChecker]: L120 has no Hoare annotation [2020-07-28 17:44:04,370 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-28 17:44:04,370 WARN L170 areAnnotationChecker]: L122 has no Hoare annotation [2020-07-28 17:44:04,370 WARN L170 areAnnotationChecker]: L122 has no Hoare annotation [2020-07-28 17:44:04,371 WARN L170 areAnnotationChecker]: L187 has no Hoare annotation [2020-07-28 17:44:04,371 WARN L170 areAnnotationChecker]: L187 has no Hoare annotation [2020-07-28 17:44:04,371 WARN L170 areAnnotationChecker]: L123 has no Hoare annotation [2020-07-28 17:44:04,371 WARN L170 areAnnotationChecker]: L123 has no Hoare annotation [2020-07-28 17:44:04,371 WARN L170 areAnnotationChecker]: L122-1 has no Hoare annotation [2020-07-28 17:44:04,372 WARN L170 areAnnotationChecker]: L188 has no Hoare annotation [2020-07-28 17:44:04,372 WARN L170 areAnnotationChecker]: L188 has no Hoare annotation [2020-07-28 17:44:04,372 WARN L170 areAnnotationChecker]: L192 has no Hoare annotation [2020-07-28 17:44:04,372 WARN L170 areAnnotationChecker]: L124 has no Hoare annotation [2020-07-28 17:44:04,373 WARN L170 areAnnotationChecker]: L124 has no Hoare annotation [2020-07-28 17:44:04,373 WARN L170 areAnnotationChecker]: L85-2 has no Hoare annotation [2020-07-28 17:44:04,373 WARN L170 areAnnotationChecker]: L85-2 has no Hoare annotation [2020-07-28 17:44:04,373 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:44:04,374 WARN L170 areAnnotationChecker]: L85-1 has no Hoare annotation [2020-07-28 17:44:04,374 WARN L170 areAnnotationChecker]: L85-1 has no Hoare annotation [2020-07-28 17:44:04,374 WARN L170 areAnnotationChecker]: L90-1 has no Hoare annotation [2020-07-28 17:44:04,374 WARN L170 areAnnotationChecker]: L90-1 has no Hoare annotation [2020-07-28 17:44:04,374 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-28 17:44:04,375 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-28 17:44:04,375 WARN L170 areAnnotationChecker]: L90-2 has no Hoare annotation [2020-07-28 17:44:04,375 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-28 17:44:04,375 WARN L170 areAnnotationChecker]: L22-2 has no Hoare annotation [2020-07-28 17:44:04,375 WARN L170 areAnnotationChecker]: L22-2 has no Hoare annotation [2020-07-28 17:44:04,376 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-28 17:44:04,376 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-28 17:44:04,376 WARN L170 areAnnotationChecker]: L22-3 has no Hoare annotation [2020-07-28 17:44:04,376 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-28 17:44:04,376 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-28 17:44:04,377 WARN L170 areAnnotationChecker]: L81 has no Hoare annotation [2020-07-28 17:44:04,377 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-28 17:44:04,377 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-28 17:44:04,377 WARN L170 areAnnotationChecker]: L148 has no Hoare annotation [2020-07-28 17:44:04,378 WARN L170 areAnnotationChecker]: L148 has no Hoare annotation [2020-07-28 17:44:04,378 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-28 17:44:04,378 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-28 17:44:04,378 WARN L170 areAnnotationChecker]: L148-2 has no Hoare annotation [2020-07-28 17:44:04,379 WARN L170 areAnnotationChecker]: L148-2 has no Hoare annotation [2020-07-28 17:44:04,379 WARN L170 areAnnotationChecker]: L154-2 has no Hoare annotation [2020-07-28 17:44:04,379 WARN L170 areAnnotationChecker]: L154-2 has no Hoare annotation [2020-07-28 17:44:04,379 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-28 17:44:04,379 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-28 17:44:04,380 WARN L170 areAnnotationChecker]: L154-1 has no Hoare annotation [2020-07-28 17:44:04,380 WARN L170 areAnnotationChecker]: L154-1 has no Hoare annotation [2020-07-28 17:44:04,380 WARN L170 areAnnotationChecker]: L159-1 has no Hoare annotation [2020-07-28 17:44:04,380 WARN L170 areAnnotationChecker]: L159-1 has no Hoare annotation [2020-07-28 17:44:04,381 WARN L170 areAnnotationChecker]: L39-3 has no Hoare annotation [2020-07-28 17:44:04,381 WARN L170 areAnnotationChecker]: L39-3 has no Hoare annotation [2020-07-28 17:44:04,381 WARN L170 areAnnotationChecker]: L39-3 has no Hoare annotation [2020-07-28 17:44:04,381 WARN L170 areAnnotationChecker]: L38-2 has no Hoare annotation [2020-07-28 17:44:04,382 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2020-07-28 17:44:04,382 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2020-07-28 17:44:04,382 WARN L170 areAnnotationChecker]: L159-2 has no Hoare annotation [2020-07-28 17:44:04,382 WARN L170 areAnnotationChecker]: L39-4 has no Hoare annotation [2020-07-28 17:44:04,382 WARN L170 areAnnotationChecker]: L39-2 has no Hoare annotation [2020-07-28 17:44:04,383 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-28 17:44:04,383 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-28 17:44:04,383 WARN L170 areAnnotationChecker]: L45-2 has no Hoare annotation [2020-07-28 17:44:04,383 WARN L170 areAnnotationChecker]: L53-2 has no Hoare annotation [2020-07-28 17:44:04,383 WARN L170 areAnnotationChecker]: L53-2 has no Hoare annotation [2020-07-28 17:44:04,384 WARN L170 areAnnotationChecker]: L53-2 has no Hoare annotation [2020-07-28 17:44:04,384 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 17:44:04,384 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 17:44:04,384 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:44:04,385 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:44:04,385 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-28 17:44:04,385 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-28 17:44:04,385 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 17:44:04,385 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-28 17:44:04,386 WARN L170 areAnnotationChecker]: L68 has no Hoare annotation [2020-07-28 17:44:04,386 WARN L170 areAnnotationChecker]: L68 has no Hoare annotation [2020-07-28 17:44:04,386 WARN L170 areAnnotationChecker]: L76-2 has no Hoare annotation [2020-07-28 17:44:04,386 WARN L170 areAnnotationChecker]: L76-2 has no Hoare annotation [2020-07-28 17:44:04,386 WARN L170 areAnnotationChecker]: L76-1 has no Hoare annotation [2020-07-28 17:44:04,387 WARN L170 areAnnotationChecker]: L76-1 has no Hoare annotation [2020-07-28 17:44:04,387 WARN L170 areAnnotationChecker]: L76-3 has no Hoare annotation [2020-07-28 17:44:04,387 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 17:44:04,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:44:04 BoogieIcfgContainer [2020-07-28 17:44:04,391 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:44:04,391 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:44:04,392 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:44:04,392 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:44:04,393 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:44:03" (3/4) ... [2020-07-28 17:44:04,396 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-28 17:44:04,397 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:44:04,400 INFO L168 Benchmark]: Toolchain (without parser) took 2443.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 950.8 MB in the beginning and 995.6 MB in the end (delta: -44.8 MB). Peak memory consumption was 106.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:44:04,401 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:44:04,402 INFO L168 Benchmark]: CACSL2BoogieTranslator took 536.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -190.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2020-07-28 17:44:04,403 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:44:04,403 INFO L168 Benchmark]: Boogie Preprocessor took 44.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:44:04,404 INFO L168 Benchmark]: RCFGBuilder took 786.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:44:04,405 INFO L168 Benchmark]: TraceAbstraction took 991.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.6 MB in the end (delta: 80.3 MB). Peak memory consumption was 80.3 MB. Max. memory is 11.5 GB. [2020-07-28 17:44:04,406 INFO L168 Benchmark]: Witness Printer took 5.47 ms. Allocated memory is still 1.2 GB. Free memory is still 995.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:44:04,411 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 536.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -190.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 786.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 991.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.6 MB in the end (delta: 80.3 MB). Peak memory consumption was 80.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.47 ms. Allocated memory is still 1.2 GB. Free memory is still 995.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 188]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 102, overapproximation of bitwiseAnd at line 116, overapproximation of someUnaryFLOAToperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 119. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L98-L106] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L183] float x = 0.0f / 0.0f; [L109] float t, w, p, q, c, r, s; [L110] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L112] ieee_float_shape_type gf_u; [L113] gf_u.value = (x) [L114] EXPR gf_u.word [L114] (hx) = gf_u.word [L116] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L117] COND TRUE ix == 0x3f800000 [L119] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L184] float res = __ieee754_asinf(x); [L13] return x != x; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L187] COND TRUE !isnan_float(res) [L188] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 73 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=56occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 17:44:06,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:44:06,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:44:06,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:44:06,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:44:06,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:44:06,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:44:06,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:44:06,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:44:06,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:44:06,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:44:06,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:44:06,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:44:06,334 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:44:06,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:44:06,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:44:06,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:44:06,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:44:06,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:44:06,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:44:06,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:44:06,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:44:06,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:44:06,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:44:06,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:44:06,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:44:06,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:44:06,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:44:06,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:44:06,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:44:06,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:44:06,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:44:06,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:44:06,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:44:06,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:44:06,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:44:06,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:44:06,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:44:06,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:44:06,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:44:06,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:44:06,374 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 17:44:06,411 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:44:06,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:44:06,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:44:06,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:44:06,416 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:44:06,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:44:06,417 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:44:06,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:44:06,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:44:06,417 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:44:06,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:44:06,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:44:06,419 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 17:44:06,419 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 17:44:06,420 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:44:06,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:44:06,420 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:44:06,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:44:06,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:44:06,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:44:06,421 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:44:06,422 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:44:06,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:44:06,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:44:06,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:44:06,423 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:44:06,423 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 17:44:06,423 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 17:44:06,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:44:06,424 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:44:06,424 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 17:44:06,424 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4df82ea580918989808f581f8b270f0b85e6120 [2020-07-28 17:44:06,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:44:06,731 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:44:06,734 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:44:06,735 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:44:06,736 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:44:06,736 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0260.c [2020-07-28 17:44:06,799 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9750c42a/07d206dfdc8c4f518fd99109f29bb888/FLAGf2474cf14 [2020-07-28 17:44:07,291 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:44:07,292 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0260.c [2020-07-28 17:44:07,303 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9750c42a/07d206dfdc8c4f518fd99109f29bb888/FLAGf2474cf14 [2020-07-28 17:44:07,667 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9750c42a/07d206dfdc8c4f518fd99109f29bb888 [2020-07-28 17:44:07,671 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:44:07,674 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:44:07,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:44:07,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:44:07,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:44:07,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:44:07" (1/1) ... [2020-07-28 17:44:07,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@921c29e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:07, skipping insertion in model container [2020-07-28 17:44:07,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:44:07" (1/1) ... [2020-07-28 17:44:07,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:44:07,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:44:07,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:44:08,001 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:44:08,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:44:08,169 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:44:08,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:08 WrapperNode [2020-07-28 17:44:08,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:44:08,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:44:08,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:44:08,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:44:08,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:08" (1/1) ... [2020-07-28 17:44:08,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:08" (1/1) ... [2020-07-28 17:44:08,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:44:08,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:44:08,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:44:08,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:44:08,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:08" (1/1) ... [2020-07-28 17:44:08,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:08" (1/1) ... [2020-07-28 17:44:08,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:08" (1/1) ... [2020-07-28 17:44:08,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:08" (1/1) ... [2020-07-28 17:44:08,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:08" (1/1) ... [2020-07-28 17:44:08,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:08" (1/1) ... [2020-07-28 17:44:08,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:08" (1/1) ... [2020-07-28 17:44:08,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:44:08,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:44:08,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:44:08,356 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:44:08,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:08" (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 [2020-07-28 17:44:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:44:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-07-28 17:44:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-07-28 17:44:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:44:08,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:44:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-07-28 17:44:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-07-28 17:44:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:44:18,842 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:44:18,843 INFO L295 CfgBuilder]: Removed 28 assume(true) statements. [2020-07-28 17:44:18,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:44:18 BoogieIcfgContainer [2020-07-28 17:44:18,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:44:18,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:44:18,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:44:18,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:44:18,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:44:07" (1/3) ... [2020-07-28 17:44:18,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b883e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:44:18, skipping insertion in model container [2020-07-28 17:44:18,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:08" (2/3) ... [2020-07-28 17:44:18,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b883e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:44:18, skipping insertion in model container [2020-07-28 17:44:18,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:44:18" (3/3) ... [2020-07-28 17:44:18,856 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0260.c [2020-07-28 17:44:18,866 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:44:18,874 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:44:18,883 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:44:18,904 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:44:18,905 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:44:18,905 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:44:18,905 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:44:18,906 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:44:18,906 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:44:18,906 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:44:18,906 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:44:18,921 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2020-07-28 17:44:18,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-28 17:44:18,927 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:44:18,928 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:44:18,929 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:44:18,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:44:18,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1900532880, now seen corresponding path program 1 times [2020-07-28 17:44:18,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:44:18,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1704132248] [2020-07-28 17:44:18,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-07-28 17:44:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:44:19,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-28 17:44:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:44:19,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:44:19,559 INFO L280 TraceCheckUtils]: 0: Hoare triple {59#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~one_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~huge_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~pio2_hi_asin~0 := ~to_fp~FLOAT(currentRoundingMode, 1.5707963705062866);~pio2_lo_asin~0 := ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 4.3711390001862426E-8));~pio4_hi_asin~0 := ~to_fp~FLOAT(currentRoundingMode, 0.7853981852531433);~pS0_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.16666667163));~pS1_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.32556581497)));~pS2_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.20121252537));~pS3_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.040055535734)));~pS4_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.9153501429E-4));~pS5_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.4793309169E-5));~qS1_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 2.4033949375)));~qS2_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 2.0209457874));~qS3_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.68828397989)));~qS4_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.077038154006)); {59#true} is VALID [2020-07-28 17:44:19,559 INFO L280 TraceCheckUtils]: 1: Hoare triple {59#true} havoc main_#res;havoc main_#t~ret17, main_#t~ret18, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~FLOAT(), ~Pluszero~FLOAT());__ieee754_asinf_#in~x := main_~x~0;havoc __ieee754_asinf_#res;havoc __ieee754_asinf_#t~mem9, __ieee754_asinf_#t~union10, __ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset, __ieee754_asinf_#t~ret11, __ieee754_asinf_#t~ret12, __ieee754_asinf_#t~mem13, __ieee754_asinf_#t~union14, __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset, __ieee754_asinf_#t~mem15, __ieee754_asinf_#t~union16, __ieee754_asinf_~#sf_u~2.base, __ieee754_asinf_~#sf_u~2.offset, __ieee754_asinf_~iw~0, __ieee754_asinf_~x, __ieee754_asinf_~t~1, __ieee754_asinf_~w~0, __ieee754_asinf_~p~0, __ieee754_asinf_~q~1, __ieee754_asinf_~c~0, __ieee754_asinf_~r~1, __ieee754_asinf_~s~1, __ieee754_asinf_~hx~1, __ieee754_asinf_~ix~2;__ieee754_asinf_~x := __ieee754_asinf_#in~x;havoc __ieee754_asinf_~t~1;havoc __ieee754_asinf_~w~0;havoc __ieee754_asinf_~p~0;havoc __ieee754_asinf_~q~1;havoc __ieee754_asinf_~c~0;havoc __ieee754_asinf_~r~1;havoc __ieee754_asinf_~s~1;havoc __ieee754_asinf_~hx~1;havoc __ieee754_asinf_~ix~2; {59#true} is VALID [2020-07-28 17:44:19,561 INFO L280 TraceCheckUtils]: 2: Hoare triple {59#true} assume !true; {60#false} is VALID [2020-07-28 17:44:19,562 INFO L280 TraceCheckUtils]: 3: Hoare triple {60#false} __ieee754_asinf_~ix~2 := ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1); {60#false} is VALID [2020-07-28 17:44:19,562 INFO L280 TraceCheckUtils]: 4: Hoare triple {60#false} assume 1065353216bv32 == __ieee754_asinf_~ix~2;__ieee754_asinf_#res := ~fp.add~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, __ieee754_asinf_~x, ~pio2_hi_asin~0), ~fp.mul~FLOAT(currentRoundingMode, __ieee754_asinf_~x, ~pio2_lo_asin~0)); {60#false} is VALID [2020-07-28 17:44:19,563 INFO L280 TraceCheckUtils]: 5: Hoare triple {60#false} main_#t~ret17 := __ieee754_asinf_#res;main_~res~0 := main_#t~ret17;havoc main_#t~ret17;isnan_float_#in~x := main_~res~0;havoc isnan_float_#res;havoc isnan_float_~x;isnan_float_~x := isnan_float_#in~x;isnan_float_#res := (if !~fp.eq~FLOAT(isnan_float_~x, isnan_float_~x) then 1bv32 else 0bv32); {60#false} is VALID [2020-07-28 17:44:19,564 INFO L280 TraceCheckUtils]: 6: Hoare triple {60#false} main_#t~ret18 := isnan_float_#res; {60#false} is VALID [2020-07-28 17:44:19,564 INFO L280 TraceCheckUtils]: 7: Hoare triple {60#false} assume 0bv32 == main_#t~ret18;havoc main_#t~ret18; {60#false} is VALID [2020-07-28 17:44:19,565 INFO L280 TraceCheckUtils]: 8: Hoare triple {60#false} assume !false; {60#false} is VALID [2020-07-28 17:44:19,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:44:19,568 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:44:19,585 INFO L280 TraceCheckUtils]: 8: Hoare triple {60#false} assume !false; {60#false} is VALID [2020-07-28 17:44:19,586 INFO L280 TraceCheckUtils]: 7: Hoare triple {60#false} assume 0bv32 == main_#t~ret18;havoc main_#t~ret18; {60#false} is VALID [2020-07-28 17:44:19,586 INFO L280 TraceCheckUtils]: 6: Hoare triple {60#false} main_#t~ret18 := isnan_float_#res; {60#false} is VALID [2020-07-28 17:44:19,587 INFO L280 TraceCheckUtils]: 5: Hoare triple {60#false} main_#t~ret17 := __ieee754_asinf_#res;main_~res~0 := main_#t~ret17;havoc main_#t~ret17;isnan_float_#in~x := main_~res~0;havoc isnan_float_#res;havoc isnan_float_~x;isnan_float_~x := isnan_float_#in~x;isnan_float_#res := (if !~fp.eq~FLOAT(isnan_float_~x, isnan_float_~x) then 1bv32 else 0bv32); {60#false} is VALID [2020-07-28 17:44:19,587 INFO L280 TraceCheckUtils]: 4: Hoare triple {60#false} assume 1065353216bv32 == __ieee754_asinf_~ix~2;__ieee754_asinf_#res := ~fp.add~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, __ieee754_asinf_~x, ~pio2_hi_asin~0), ~fp.mul~FLOAT(currentRoundingMode, __ieee754_asinf_~x, ~pio2_lo_asin~0)); {60#false} is VALID [2020-07-28 17:44:19,587 INFO L280 TraceCheckUtils]: 3: Hoare triple {60#false} __ieee754_asinf_~ix~2 := ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1); {60#false} is VALID [2020-07-28 17:44:19,589 INFO L280 TraceCheckUtils]: 2: Hoare triple {59#true} assume !true; {60#false} is VALID [2020-07-28 17:44:19,589 INFO L280 TraceCheckUtils]: 1: Hoare triple {59#true} havoc main_#res;havoc main_#t~ret17, main_#t~ret18, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~FLOAT(), ~Pluszero~FLOAT());__ieee754_asinf_#in~x := main_~x~0;havoc __ieee754_asinf_#res;havoc __ieee754_asinf_#t~mem9, __ieee754_asinf_#t~union10, __ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset, __ieee754_asinf_#t~ret11, __ieee754_asinf_#t~ret12, __ieee754_asinf_#t~mem13, __ieee754_asinf_#t~union14, __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset, __ieee754_asinf_#t~mem15, __ieee754_asinf_#t~union16, __ieee754_asinf_~#sf_u~2.base, __ieee754_asinf_~#sf_u~2.offset, __ieee754_asinf_~iw~0, __ieee754_asinf_~x, __ieee754_asinf_~t~1, __ieee754_asinf_~w~0, __ieee754_asinf_~p~0, __ieee754_asinf_~q~1, __ieee754_asinf_~c~0, __ieee754_asinf_~r~1, __ieee754_asinf_~s~1, __ieee754_asinf_~hx~1, __ieee754_asinf_~ix~2;__ieee754_asinf_~x := __ieee754_asinf_#in~x;havoc __ieee754_asinf_~t~1;havoc __ieee754_asinf_~w~0;havoc __ieee754_asinf_~p~0;havoc __ieee754_asinf_~q~1;havoc __ieee754_asinf_~c~0;havoc __ieee754_asinf_~r~1;havoc __ieee754_asinf_~s~1;havoc __ieee754_asinf_~hx~1;havoc __ieee754_asinf_~ix~2; {59#true} is VALID [2020-07-28 17:44:19,590 INFO L280 TraceCheckUtils]: 0: Hoare triple {59#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~one_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~huge_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~pio2_hi_asin~0 := ~to_fp~FLOAT(currentRoundingMode, 1.5707963705062866);~pio2_lo_asin~0 := ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 4.3711390001862426E-8));~pio4_hi_asin~0 := ~to_fp~FLOAT(currentRoundingMode, 0.7853981852531433);~pS0_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.16666667163));~pS1_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.32556581497)));~pS2_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.20121252537));~pS3_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.040055535734)));~pS4_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.9153501429E-4));~pS5_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.4793309169E-5));~qS1_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 2.4033949375)));~qS2_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 2.0209457874));~qS3_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.68828397989)));~qS4_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.077038154006)); {59#true} is VALID [2020-07-28 17:44:19,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:44:19,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1704132248] [2020-07-28 17:44:19,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:44:19,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-07-28 17:44:19,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380201501] [2020-07-28 17:44:19,601 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-07-28 17:44:19,602 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:44:19,606 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:44:19,706 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:44:19,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:44:19,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:44:19,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:44:19,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:44:19,716 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 2 states. [2020-07-28 17:44:29,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:44:29,947 INFO L93 Difference]: Finished difference Result 110 states and 178 transitions. [2020-07-28 17:44:29,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:44:29,948 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-07-28 17:44:29,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:44:29,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:44:29,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 178 transitions. [2020-07-28 17:44:29,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:44:29,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 178 transitions. [2020-07-28 17:44:29,972 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 178 transitions. [2020-07-28 17:44:34,789 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 178 edges. 178 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:44:34,801 INFO L225 Difference]: With dead ends: 110 [2020-07-28 17:44:34,801 INFO L226 Difference]: Without dead ends: 53 [2020-07-28 17:44:34,805 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:44:34,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-07-28 17:44:34,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-07-28 17:44:34,837 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:44:34,837 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand 53 states. [2020-07-28 17:44:34,838 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 17:44:34,838 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 17:44:34,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:44:34,843 INFO L93 Difference]: Finished difference Result 53 states and 70 transitions. [2020-07-28 17:44:34,844 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2020-07-28 17:44:34,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:44:34,845 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:44:34,845 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 17:44:34,845 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 17:44:34,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:44:34,850 INFO L93 Difference]: Finished difference Result 53 states and 70 transitions. [2020-07-28 17:44:34,850 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2020-07-28 17:44:34,851 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:44:34,851 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:44:34,852 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:44:34,852 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:44:34,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-07-28 17:44:34,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 70 transitions. [2020-07-28 17:44:34,857 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 70 transitions. Word has length 9 [2020-07-28 17:44:34,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:44:34,858 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 70 transitions. [2020-07-28 17:44:34,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:44:34,858 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2020-07-28 17:44:34,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 17:44:34,859 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:44:34,860 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:44:35,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-28 17:44:35,071 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:44:35,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:44:35,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1487817933, now seen corresponding path program 1 times [2020-07-28 17:44:35,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:44:35,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [832558015] [2020-07-28 17:44:35,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-07-28 17:44:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:44:35,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-28 17:44:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:44:35,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:44:35,816 INFO L280 TraceCheckUtils]: 0: Hoare triple {415#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~one_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~huge_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~pio2_hi_asin~0 := ~to_fp~FLOAT(currentRoundingMode, 1.5707963705062866);~pio2_lo_asin~0 := ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 4.3711390001862426E-8));~pio4_hi_asin~0 := ~to_fp~FLOAT(currentRoundingMode, 0.7853981852531433);~pS0_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.16666667163));~pS1_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.32556581497)));~pS2_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.20121252537));~pS3_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.040055535734)));~pS4_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.9153501429E-4));~pS5_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.4793309169E-5));~qS1_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 2.4033949375)));~qS2_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 2.0209457874));~qS3_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.68828397989)));~qS4_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.077038154006)); {415#true} is VALID [2020-07-28 17:44:35,820 INFO L280 TraceCheckUtils]: 1: Hoare triple {415#true} havoc main_#res;havoc main_#t~ret17, main_#t~ret18, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~FLOAT(), ~Pluszero~FLOAT());__ieee754_asinf_#in~x := main_~x~0;havoc __ieee754_asinf_#res;havoc __ieee754_asinf_#t~mem9, __ieee754_asinf_#t~union10, __ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset, __ieee754_asinf_#t~ret11, __ieee754_asinf_#t~ret12, __ieee754_asinf_#t~mem13, __ieee754_asinf_#t~union14, __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset, __ieee754_asinf_#t~mem15, __ieee754_asinf_#t~union16, __ieee754_asinf_~#sf_u~2.base, __ieee754_asinf_~#sf_u~2.offset, __ieee754_asinf_~iw~0, __ieee754_asinf_~x, __ieee754_asinf_~t~1, __ieee754_asinf_~w~0, __ieee754_asinf_~p~0, __ieee754_asinf_~q~1, __ieee754_asinf_~c~0, __ieee754_asinf_~r~1, __ieee754_asinf_~s~1, __ieee754_asinf_~hx~1, __ieee754_asinf_~ix~2;__ieee754_asinf_~x := __ieee754_asinf_#in~x;havoc __ieee754_asinf_~t~1;havoc __ieee754_asinf_~w~0;havoc __ieee754_asinf_~p~0;havoc __ieee754_asinf_~q~1;havoc __ieee754_asinf_~c~0;havoc __ieee754_asinf_~r~1;havoc __ieee754_asinf_~s~1;havoc __ieee754_asinf_~hx~1;havoc __ieee754_asinf_~ix~2; {423#(exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))))} is VALID [2020-07-28 17:44:35,830 INFO L280 TraceCheckUtils]: 2: Hoare triple {423#(exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))))} call __ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_asinf_~x, __ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset, 4bv32);call __ieee754_asinf_#t~mem9 := read~intINTTYPE4(__ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset, 4bv32);__ieee754_asinf_~hx~1 := __ieee754_asinf_#t~mem9;call write~intFLOATTYPE4(__ieee754_asinf_#t~union10, __ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset, 4bv32);havoc __ieee754_asinf_#t~mem9;havoc __ieee754_asinf_#t~union10;call ULTIMATE.dealloc(__ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset);havoc __ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset; {427#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))))} is VALID [2020-07-28 17:44:35,831 INFO L280 TraceCheckUtils]: 3: Hoare triple {427#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))))} goto; {427#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))))} is VALID [2020-07-28 17:44:35,834 INFO L280 TraceCheckUtils]: 4: Hoare triple {427#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))))} __ieee754_asinf_~ix~2 := ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1); {434#(exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)))))} is VALID [2020-07-28 17:44:35,909 INFO L280 TraceCheckUtils]: 5: Hoare triple {434#(exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)))))} assume 1065353216bv32 == __ieee754_asinf_~ix~2;__ieee754_asinf_#res := ~fp.add~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, __ieee754_asinf_~x, ~pio2_hi_asin~0), ~fp.mul~FLOAT(currentRoundingMode, __ieee754_asinf_~x, ~pio2_lo_asin~0)); {416#false} is VALID [2020-07-28 17:44:35,909 INFO L280 TraceCheckUtils]: 6: Hoare triple {416#false} main_#t~ret17 := __ieee754_asinf_#res;main_~res~0 := main_#t~ret17;havoc main_#t~ret17;isnan_float_#in~x := main_~res~0;havoc isnan_float_#res;havoc isnan_float_~x;isnan_float_~x := isnan_float_#in~x;isnan_float_#res := (if !~fp.eq~FLOAT(isnan_float_~x, isnan_float_~x) then 1bv32 else 0bv32); {416#false} is VALID [2020-07-28 17:44:35,909 INFO L280 TraceCheckUtils]: 7: Hoare triple {416#false} main_#t~ret18 := isnan_float_#res; {416#false} is VALID [2020-07-28 17:44:35,910 INFO L280 TraceCheckUtils]: 8: Hoare triple {416#false} assume 0bv32 == main_#t~ret18;havoc main_#t~ret18; {416#false} is VALID [2020-07-28 17:44:35,910 INFO L280 TraceCheckUtils]: 9: Hoare triple {416#false} assume !false; {416#false} is VALID [2020-07-28 17:44:35,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:44:35,912 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:44:36,068 INFO L280 TraceCheckUtils]: 9: Hoare triple {416#false} assume !false; {416#false} is VALID [2020-07-28 17:44:36,068 INFO L280 TraceCheckUtils]: 8: Hoare triple {416#false} assume 0bv32 == main_#t~ret18;havoc main_#t~ret18; {416#false} is VALID [2020-07-28 17:44:36,069 INFO L280 TraceCheckUtils]: 7: Hoare triple {416#false} main_#t~ret18 := isnan_float_#res; {416#false} is VALID [2020-07-28 17:44:36,069 INFO L280 TraceCheckUtils]: 6: Hoare triple {416#false} main_#t~ret17 := __ieee754_asinf_#res;main_~res~0 := main_#t~ret17;havoc main_#t~ret17;isnan_float_#in~x := main_~res~0;havoc isnan_float_#res;havoc isnan_float_~x;isnan_float_~x := isnan_float_#in~x;isnan_float_#res := (if !~fp.eq~FLOAT(isnan_float_~x, isnan_float_~x) then 1bv32 else 0bv32); {416#false} is VALID [2020-07-28 17:44:36,070 INFO L280 TraceCheckUtils]: 5: Hoare triple {462#(not (= (bvadd ULTIMATE.start___ieee754_asinf_~ix~2 (_ bv3229614080 32)) (_ bv0 32)))} assume 1065353216bv32 == __ieee754_asinf_~ix~2;__ieee754_asinf_#res := ~fp.add~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, __ieee754_asinf_~x, ~pio2_hi_asin~0), ~fp.mul~FLOAT(currentRoundingMode, __ieee754_asinf_~x, ~pio2_lo_asin~0)); {416#false} is VALID [2020-07-28 17:44:36,075 INFO L280 TraceCheckUtils]: 4: Hoare triple {466#(not (= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1) (_ bv3229614080 32)) (_ bv0 32)))} __ieee754_asinf_~ix~2 := ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1); {462#(not (= (bvadd ULTIMATE.start___ieee754_asinf_~ix~2 (_ bv3229614080 32)) (_ bv0 32)))} is VALID [2020-07-28 17:44:36,076 INFO L280 TraceCheckUtils]: 3: Hoare triple {466#(not (= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1) (_ bv3229614080 32)) (_ bv0 32)))} goto; {466#(not (= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1) (_ bv3229614080 32)) (_ bv0 32)))} is VALID [2020-07-28 17:44:36,080 INFO L280 TraceCheckUtils]: 2: Hoare triple {473#(forall ((v_ULTIMATE.start___ieee754_asinf_~hx~1_7 (_ BitVec 32))) (or (not (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_asinf_~hx~1_7) (_ bv3229614080 32)) (_ bv0 32))) (not (= ULTIMATE.start___ieee754_asinf_~x (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_asinf_~hx~1_7) ((_ extract 30 23) v_ULTIMATE.start___ieee754_asinf_~hx~1_7) ((_ extract 22 0) v_ULTIMATE.start___ieee754_asinf_~hx~1_7))))))} call __ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_asinf_~x, __ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset, 4bv32);call __ieee754_asinf_#t~mem9 := read~intINTTYPE4(__ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset, 4bv32);__ieee754_asinf_~hx~1 := __ieee754_asinf_#t~mem9;call write~intFLOATTYPE4(__ieee754_asinf_#t~union10, __ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset, 4bv32);havoc __ieee754_asinf_#t~mem9;havoc __ieee754_asinf_#t~union10;call ULTIMATE.dealloc(__ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset);havoc __ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset; {466#(not (= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1) (_ bv3229614080 32)) (_ bv0 32)))} is VALID [2020-07-28 17:44:36,083 INFO L280 TraceCheckUtils]: 1: Hoare triple {415#true} havoc main_#res;havoc main_#t~ret17, main_#t~ret18, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~FLOAT(), ~Pluszero~FLOAT());__ieee754_asinf_#in~x := main_~x~0;havoc __ieee754_asinf_#res;havoc __ieee754_asinf_#t~mem9, __ieee754_asinf_#t~union10, __ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset, __ieee754_asinf_#t~ret11, __ieee754_asinf_#t~ret12, __ieee754_asinf_#t~mem13, __ieee754_asinf_#t~union14, __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset, __ieee754_asinf_#t~mem15, __ieee754_asinf_#t~union16, __ieee754_asinf_~#sf_u~2.base, __ieee754_asinf_~#sf_u~2.offset, __ieee754_asinf_~iw~0, __ieee754_asinf_~x, __ieee754_asinf_~t~1, __ieee754_asinf_~w~0, __ieee754_asinf_~p~0, __ieee754_asinf_~q~1, __ieee754_asinf_~c~0, __ieee754_asinf_~r~1, __ieee754_asinf_~s~1, __ieee754_asinf_~hx~1, __ieee754_asinf_~ix~2;__ieee754_asinf_~x := __ieee754_asinf_#in~x;havoc __ieee754_asinf_~t~1;havoc __ieee754_asinf_~w~0;havoc __ieee754_asinf_~p~0;havoc __ieee754_asinf_~q~1;havoc __ieee754_asinf_~c~0;havoc __ieee754_asinf_~r~1;havoc __ieee754_asinf_~s~1;havoc __ieee754_asinf_~hx~1;havoc __ieee754_asinf_~ix~2; {473#(forall ((v_ULTIMATE.start___ieee754_asinf_~hx~1_7 (_ BitVec 32))) (or (not (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_asinf_~hx~1_7) (_ bv3229614080 32)) (_ bv0 32))) (not (= ULTIMATE.start___ieee754_asinf_~x (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_asinf_~hx~1_7) ((_ extract 30 23) v_ULTIMATE.start___ieee754_asinf_~hx~1_7) ((_ extract 22 0) v_ULTIMATE.start___ieee754_asinf_~hx~1_7))))))} is VALID [2020-07-28 17:44:36,084 INFO L280 TraceCheckUtils]: 0: Hoare triple {415#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~one_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~huge_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~pio2_hi_asin~0 := ~to_fp~FLOAT(currentRoundingMode, 1.5707963705062866);~pio2_lo_asin~0 := ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 4.3711390001862426E-8));~pio4_hi_asin~0 := ~to_fp~FLOAT(currentRoundingMode, 0.7853981852531433);~pS0_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.16666667163));~pS1_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.32556581497)));~pS2_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.20121252537));~pS3_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.040055535734)));~pS4_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.9153501429E-4));~pS5_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.4793309169E-5));~qS1_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 2.4033949375)));~qS2_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 2.0209457874));~qS3_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.68828397989)));~qS4_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.077038154006)); {415#true} is VALID [2020-07-28 17:44:36,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:44:36,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [832558015] [2020-07-28 17:44:36,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:44:36,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-07-28 17:44:36,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771013279] [2020-07-28 17:44:36,089 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2020-07-28 17:44:36,089 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:44:36,089 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-28 17:44:36,270 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:44:36,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-28 17:44:36,270 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:44:36,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-28 17:44:36,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-28 17:44:36,271 INFO L87 Difference]: Start difference. First operand 53 states and 70 transitions. Second operand 8 states. [2020-07-28 17:44:37,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:44:37,442 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2020-07-28 17:44:37,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 17:44:37,443 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2020-07-28 17:44:37,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:44:37,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 17:44:37,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 74 transitions. [2020-07-28 17:44:37,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 17:44:37,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 74 transitions. [2020-07-28 17:44:37,448 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 74 transitions. [2020-07-28 17:44:40,000 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:44:40,001 INFO L225 Difference]: With dead ends: 58 [2020-07-28 17:44:40,001 INFO L226 Difference]: Without dead ends: 12 [2020-07-28 17:44:40,002 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-07-28 17:44:40,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-07-28 17:44:40,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-07-28 17:44:40,017 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:44:40,017 INFO L82 GeneralOperation]: Start isEquivalent. First operand 12 states. Second operand 12 states. [2020-07-28 17:44:40,017 INFO L74 IsIncluded]: Start isIncluded. First operand 12 states. Second operand 12 states. [2020-07-28 17:44:40,017 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 12 states. [2020-07-28 17:44:40,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:44:40,018 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-07-28 17:44:40,018 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-07-28 17:44:40,019 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:44:40,019 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:44:40,019 INFO L74 IsIncluded]: Start isIncluded. First operand 12 states. Second operand 12 states. [2020-07-28 17:44:40,019 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 12 states. [2020-07-28 17:44:40,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:44:40,020 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-07-28 17:44:40,020 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-07-28 17:44:40,021 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:44:40,021 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:44:40,021 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:44:40,023 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:44:40,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-28 17:44:40,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2020-07-28 17:44:40,024 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 10 [2020-07-28 17:44:40,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:44:40,025 INFO L479 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2020-07-28 17:44:40,025 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-28 17:44:40,025 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-07-28 17:44:40,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 17:44:40,026 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:44:40,026 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:44:40,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-07-28 17:44:40,238 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:44:40,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:44:40,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1242404338, now seen corresponding path program 1 times [2020-07-28 17:44:40,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:44:40,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [8893444] [2020-07-28 17:44:40,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-07-28 17:44:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:44:40,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-28 17:44:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:44:40,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:44:40,919 INFO L280 TraceCheckUtils]: 0: Hoare triple {593#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~one_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~huge_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~pio2_hi_asin~0 := ~to_fp~FLOAT(currentRoundingMode, 1.5707963705062866);~pio2_lo_asin~0 := ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 4.3711390001862426E-8));~pio4_hi_asin~0 := ~to_fp~FLOAT(currentRoundingMode, 0.7853981852531433);~pS0_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.16666667163));~pS1_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.32556581497)));~pS2_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.20121252537));~pS3_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.040055535734)));~pS4_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.9153501429E-4));~pS5_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.4793309169E-5));~qS1_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 2.4033949375)));~qS2_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 2.0209457874));~qS3_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.68828397989)));~qS4_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.077038154006)); {598#(= currentRoundingMode roundNearestTiesToEven)} is VALID [2020-07-28 17:44:40,920 INFO L280 TraceCheckUtils]: 1: Hoare triple {598#(= currentRoundingMode roundNearestTiesToEven)} havoc main_#res;havoc main_#t~ret17, main_#t~ret18, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~FLOAT(), ~Pluszero~FLOAT());__ieee754_asinf_#in~x := main_~x~0;havoc __ieee754_asinf_#res;havoc __ieee754_asinf_#t~mem9, __ieee754_asinf_#t~union10, __ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset, __ieee754_asinf_#t~ret11, __ieee754_asinf_#t~ret12, __ieee754_asinf_#t~mem13, __ieee754_asinf_#t~union14, __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset, __ieee754_asinf_#t~mem15, __ieee754_asinf_#t~union16, __ieee754_asinf_~#sf_u~2.base, __ieee754_asinf_~#sf_u~2.offset, __ieee754_asinf_~iw~0, __ieee754_asinf_~x, __ieee754_asinf_~t~1, __ieee754_asinf_~w~0, __ieee754_asinf_~p~0, __ieee754_asinf_~q~1, __ieee754_asinf_~c~0, __ieee754_asinf_~r~1, __ieee754_asinf_~s~1, __ieee754_asinf_~hx~1, __ieee754_asinf_~ix~2;__ieee754_asinf_~x := __ieee754_asinf_#in~x;havoc __ieee754_asinf_~t~1;havoc __ieee754_asinf_~w~0;havoc __ieee754_asinf_~p~0;havoc __ieee754_asinf_~q~1;havoc __ieee754_asinf_~c~0;havoc __ieee754_asinf_~r~1;havoc __ieee754_asinf_~s~1;havoc __ieee754_asinf_~hx~1;havoc __ieee754_asinf_~ix~2; {602#(and (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:44:40,922 INFO L280 TraceCheckUtils]: 2: Hoare triple {602#(and (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))} call __ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_asinf_~x, __ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset, 4bv32);call __ieee754_asinf_#t~mem9 := read~intINTTYPE4(__ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset, 4bv32);__ieee754_asinf_~hx~1 := __ieee754_asinf_#t~mem9;call write~intFLOATTYPE4(__ieee754_asinf_#t~union10, __ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset, 4bv32);havoc __ieee754_asinf_#t~mem9;havoc __ieee754_asinf_#t~union10;call ULTIMATE.dealloc(__ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset);havoc __ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset; {602#(and (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:44:40,922 INFO L280 TraceCheckUtils]: 3: Hoare triple {602#(and (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))} goto; {602#(and (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:44:40,923 INFO L280 TraceCheckUtils]: 4: Hoare triple {602#(and (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))} __ieee754_asinf_~ix~2 := ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1); {602#(and (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:44:40,924 INFO L280 TraceCheckUtils]: 5: Hoare triple {602#(and (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))} assume !(1065353216bv32 == __ieee754_asinf_~ix~2); {602#(and (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:44:40,926 INFO L280 TraceCheckUtils]: 6: Hoare triple {602#(and (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))} assume ~bvsgt32(__ieee754_asinf_~ix~2, 1065353216bv32);__ieee754_asinf_#res := ~fp.div~FLOAT(currentRoundingMode, ~fp.sub~FLOAT(currentRoundingMode, __ieee754_asinf_~x, __ieee754_asinf_~x), ~fp.sub~FLOAT(currentRoundingMode, __ieee754_asinf_~x, __ieee754_asinf_~x)); {618#(= |ULTIMATE.start___ieee754_asinf_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)) (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)) (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))))} is VALID [2020-07-28 17:44:40,927 INFO L280 TraceCheckUtils]: 7: Hoare triple {618#(= |ULTIMATE.start___ieee754_asinf_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)) (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)) (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))))} main_#t~ret17 := __ieee754_asinf_#res;main_~res~0 := main_#t~ret17;havoc main_#t~ret17;isnan_float_#in~x := main_~res~0;havoc isnan_float_#res;havoc isnan_float_~x;isnan_float_~x := isnan_float_#in~x;isnan_float_#res := (if !~fp.eq~FLOAT(isnan_float_~x, isnan_float_~x) then 1bv32 else 0bv32); {622#(= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|)} is VALID [2020-07-28 17:44:40,928 INFO L280 TraceCheckUtils]: 8: Hoare triple {622#(= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|)} main_#t~ret18 := isnan_float_#res; {626#(= (_ bv1 32) |ULTIMATE.start_main_#t~ret18|)} is VALID [2020-07-28 17:44:40,929 INFO L280 TraceCheckUtils]: 9: Hoare triple {626#(= (_ bv1 32) |ULTIMATE.start_main_#t~ret18|)} assume 0bv32 == main_#t~ret18;havoc main_#t~ret18; {594#false} is VALID [2020-07-28 17:44:40,929 INFO L280 TraceCheckUtils]: 10: Hoare triple {594#false} assume !false; {594#false} is VALID [2020-07-28 17:44:40,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:44:40,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:44:41,535 INFO L280 TraceCheckUtils]: 10: Hoare triple {594#false} assume !false; {594#false} is VALID [2020-07-28 17:44:41,535 INFO L280 TraceCheckUtils]: 9: Hoare triple {636#(not (= (_ bv0 32) |ULTIMATE.start_main_#t~ret18|))} assume 0bv32 == main_#t~ret18;havoc main_#t~ret18; {594#false} is VALID [2020-07-28 17:44:41,536 INFO L280 TraceCheckUtils]: 8: Hoare triple {640#(not (= (_ bv0 32) |ULTIMATE.start_isnan_float_#res|))} main_#t~ret18 := isnan_float_#res; {636#(not (= (_ bv0 32) |ULTIMATE.start_main_#t~ret18|))} is VALID [2020-07-28 17:44:41,543 INFO L280 TraceCheckUtils]: 7: Hoare triple {618#(= |ULTIMATE.start___ieee754_asinf_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)) (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)) (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))))} main_#t~ret17 := __ieee754_asinf_#res;main_~res~0 := main_#t~ret17;havoc main_#t~ret17;isnan_float_#in~x := main_~res~0;havoc isnan_float_#res;havoc isnan_float_~x;isnan_float_~x := isnan_float_#in~x;isnan_float_#res := (if !~fp.eq~FLOAT(isnan_float_~x, isnan_float_~x) then 1bv32 else 0bv32); {640#(not (= (_ bv0 32) |ULTIMATE.start_isnan_float_#res|))} is VALID [2020-07-28 17:44:41,743 INFO L280 TraceCheckUtils]: 6: Hoare triple {593#true} assume ~bvsgt32(__ieee754_asinf_~ix~2, 1065353216bv32);__ieee754_asinf_#res := ~fp.div~FLOAT(currentRoundingMode, ~fp.sub~FLOAT(currentRoundingMode, __ieee754_asinf_~x, __ieee754_asinf_~x), ~fp.sub~FLOAT(currentRoundingMode, __ieee754_asinf_~x, __ieee754_asinf_~x)); {618#(= |ULTIMATE.start___ieee754_asinf_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)) (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)) (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))))} is VALID [2020-07-28 17:44:41,744 INFO L280 TraceCheckUtils]: 5: Hoare triple {593#true} assume !(1065353216bv32 == __ieee754_asinf_~ix~2); {593#true} is VALID [2020-07-28 17:44:41,744 INFO L280 TraceCheckUtils]: 4: Hoare triple {593#true} __ieee754_asinf_~ix~2 := ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1); {593#true} is VALID [2020-07-28 17:44:41,744 INFO L280 TraceCheckUtils]: 3: Hoare triple {593#true} goto; {593#true} is VALID [2020-07-28 17:44:41,745 INFO L280 TraceCheckUtils]: 2: Hoare triple {593#true} call __ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_asinf_~x, __ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset, 4bv32);call __ieee754_asinf_#t~mem9 := read~intINTTYPE4(__ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset, 4bv32);__ieee754_asinf_~hx~1 := __ieee754_asinf_#t~mem9;call write~intFLOATTYPE4(__ieee754_asinf_#t~union10, __ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset, 4bv32);havoc __ieee754_asinf_#t~mem9;havoc __ieee754_asinf_#t~union10;call ULTIMATE.dealloc(__ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset);havoc __ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset; {593#true} is VALID [2020-07-28 17:44:41,745 INFO L280 TraceCheckUtils]: 1: Hoare triple {593#true} havoc main_#res;havoc main_#t~ret17, main_#t~ret18, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~FLOAT(), ~Pluszero~FLOAT());__ieee754_asinf_#in~x := main_~x~0;havoc __ieee754_asinf_#res;havoc __ieee754_asinf_#t~mem9, __ieee754_asinf_#t~union10, __ieee754_asinf_~#gf_u~2.base, __ieee754_asinf_~#gf_u~2.offset, __ieee754_asinf_#t~ret11, __ieee754_asinf_#t~ret12, __ieee754_asinf_#t~mem13, __ieee754_asinf_#t~union14, __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset, __ieee754_asinf_#t~mem15, __ieee754_asinf_#t~union16, __ieee754_asinf_~#sf_u~2.base, __ieee754_asinf_~#sf_u~2.offset, __ieee754_asinf_~iw~0, __ieee754_asinf_~x, __ieee754_asinf_~t~1, __ieee754_asinf_~w~0, __ieee754_asinf_~p~0, __ieee754_asinf_~q~1, __ieee754_asinf_~c~0, __ieee754_asinf_~r~1, __ieee754_asinf_~s~1, __ieee754_asinf_~hx~1, __ieee754_asinf_~ix~2;__ieee754_asinf_~x := __ieee754_asinf_#in~x;havoc __ieee754_asinf_~t~1;havoc __ieee754_asinf_~w~0;havoc __ieee754_asinf_~p~0;havoc __ieee754_asinf_~q~1;havoc __ieee754_asinf_~c~0;havoc __ieee754_asinf_~r~1;havoc __ieee754_asinf_~s~1;havoc __ieee754_asinf_~hx~1;havoc __ieee754_asinf_~ix~2; {593#true} is VALID [2020-07-28 17:44:41,745 INFO L280 TraceCheckUtils]: 0: Hoare triple {593#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~one_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~huge_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~pio2_hi_asin~0 := ~to_fp~FLOAT(currentRoundingMode, 1.5707963705062866);~pio2_lo_asin~0 := ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 4.3711390001862426E-8));~pio4_hi_asin~0 := ~to_fp~FLOAT(currentRoundingMode, 0.7853981852531433);~pS0_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.16666667163));~pS1_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.32556581497)));~pS2_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.20121252537));~pS3_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.040055535734)));~pS4_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.9153501429E-4));~pS5_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.4793309169E-5));~qS1_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 2.4033949375)));~qS2_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 2.0209457874));~qS3_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.68828397989)));~qS4_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.077038154006)); {593#true} is VALID [2020-07-28 17:44:41,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:44:41,746 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [8893444] [2020-07-28 17:44:41,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:44:41,747 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2020-07-28 17:44:41,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872695625] [2020-07-28 17:44:41,748 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2020-07-28 17:44:41,748 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:44:41,748 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-28 17:44:42,083 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:44:42,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-28 17:44:42,084 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:44:42,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-28 17:44:42,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-28 17:44:42,085 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 9 states. [2020-07-28 17:44:43,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:44:43,614 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-07-28 17:44:43,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 17:44:43,615 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2020-07-28 17:44:43,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:44:43,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-28 17:44:43,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 11 transitions. [2020-07-28 17:44:43,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-28 17:44:43,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 11 transitions. [2020-07-28 17:44:43,617 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 11 transitions. [2020-07-28 17:44:43,787 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:44:43,787 INFO L225 Difference]: With dead ends: 12 [2020-07-28 17:44:43,787 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 17:44:43,788 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-07-28 17:44:43,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 17:44:43,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 17:44:43,789 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:44:43,789 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 17:44:43,790 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:44:43,790 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:44:43,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:44:43,791 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:44:43,791 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:44:43,791 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:44:43,791 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:44:43,791 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:44:43,792 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:44:43,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:44:43,792 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:44:43,792 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:44:43,792 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:44:43,792 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:44:43,792 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:44:43,793 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:44:43,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 17:44:43,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 17:44:43,793 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-07-28 17:44:43,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:44:43,794 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 17:44:43,794 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-28 17:44:43,794 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:44:43,794 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:44:44,003 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-07-28 17:44:44,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 17:44:44,253 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2020-07-28 17:44:44,368 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2020-07-28 17:44:44,385 INFO L268 CegarLoopResult]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2020-07-28 17:44:44,385 INFO L264 CegarLoopResult]: At program point L85-2(lines 85 89) the Hoare annotation is: false [2020-07-28 17:44:44,385 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 17:44:44,385 INFO L264 CegarLoopResult]: At program point L53-2(lines 53 62) the Hoare annotation is: false [2020-07-28 17:44:44,386 INFO L268 CegarLoopResult]: For program point L53-3(lines 17 82) no Hoare annotation was computed. [2020-07-28 17:44:44,386 INFO L268 CegarLoopResult]: For program point L120(lines 120 137) no Hoare annotation was computed. [2020-07-28 17:44:44,386 INFO L268 CegarLoopResult]: For program point L38(lines 38 42) no Hoare annotation was computed. [2020-07-28 17:44:44,386 INFO L268 CegarLoopResult]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2020-07-28 17:44:44,386 INFO L268 CegarLoopResult]: For program point L187(lines 187 190) no Hoare annotation was computed. [2020-07-28 17:44:44,386 INFO L268 CegarLoopResult]: For program point L154-1(lines 154 158) no Hoare annotation was computed. [2020-07-28 17:44:44,386 INFO L264 CegarLoopResult]: At program point L154-2(lines 154 158) the Hoare annotation is: false [2020-07-28 17:44:44,386 INFO L268 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-07-28 17:44:44,387 INFO L268 CegarLoopResult]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2020-07-28 17:44:44,387 INFO L268 CegarLoopResult]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2020-07-28 17:44:44,387 INFO L264 CegarLoopResult]: At program point L22-2(lines 22 26) the Hoare annotation is: false [2020-07-28 17:44:44,387 INFO L268 CegarLoopResult]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2020-07-28 17:44:44,387 INFO L268 CegarLoopResult]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2020-07-28 17:44:44,387 INFO L264 CegarLoopResult]: At program point L39-3(lines 39 40) the Hoare annotation is: false [2020-07-28 17:44:44,387 INFO L268 CegarLoopResult]: For program point L39-4(lines 39 40) no Hoare annotation was computed. [2020-07-28 17:44:44,387 INFO L268 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-07-28 17:44:44,387 INFO L268 CegarLoopResult]: For program point L122(lines 122 137) no Hoare annotation was computed. [2020-07-28 17:44:44,387 INFO L268 CegarLoopResult]: For program point L122-1(lines 122 137) no Hoare annotation was computed. [2020-07-28 17:44:44,388 INFO L268 CegarLoopResult]: For program point L123(lines 123 136) no Hoare annotation was computed. [2020-07-28 17:44:44,388 INFO L268 CegarLoopResult]: For program point L90(lines 90 94) no Hoare annotation was computed. [2020-07-28 17:44:44,388 INFO L268 CegarLoopResult]: For program point L90-1(lines 83 96) no Hoare annotation was computed. [2020-07-28 17:44:44,388 INFO L268 CegarLoopResult]: For program point L90-2(lines 90 94) no Hoare annotation was computed. [2020-07-28 17:44:44,388 INFO L264 CegarLoopResult]: At program point L173(lines 108 174) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_asinf_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))))) (= currentRoundingMode roundNearestTiesToEven)) [2020-07-28 17:44:44,388 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 17:44:44,389 INFO L268 CegarLoopResult]: For program point L124(lines 124 125) no Hoare annotation was computed. [2020-07-28 17:44:44,389 INFO L268 CegarLoopResult]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2020-07-28 17:44:44,389 INFO L264 CegarLoopResult]: At program point L76-2(lines 76 80) the Hoare annotation is: false [2020-07-28 17:44:44,389 INFO L268 CegarLoopResult]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2020-07-28 17:44:44,389 INFO L271 CegarLoopResult]: At program point L192(lines 176 193) the Hoare annotation is: true [2020-07-28 17:44:44,389 INFO L268 CegarLoopResult]: For program point L159(lines 159 163) no Hoare annotation was computed. [2020-07-28 17:44:44,389 INFO L268 CegarLoopResult]: For program point L159-1(lines 151 169) no Hoare annotation was computed. [2020-07-28 17:44:44,389 INFO L268 CegarLoopResult]: For program point L159-2(lines 159 163) no Hoare annotation was computed. [2020-07-28 17:44:44,390 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 17:44:44,390 INFO L268 CegarLoopResult]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2020-07-28 17:44:44,390 INFO L264 CegarLoopResult]: At program point L111-2(lines 111 115) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (= currentRoundingMode roundNearestTiesToEven)) [2020-07-28 17:44:44,390 INFO L268 CegarLoopResult]: For program point L45(lines 45 46) no Hoare annotation was computed. [2020-07-28 17:44:44,390 INFO L268 CegarLoopResult]: For program point L111-3(lines 111 115) no Hoare annotation was computed. [2020-07-28 17:44:44,390 INFO L268 CegarLoopResult]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2020-07-28 17:44:44,390 INFO L264 CegarLoopResult]: At program point L95(lines 83 96) the Hoare annotation is: false [2020-07-28 17:44:44,390 INFO L268 CegarLoopResult]: For program point L29(lines 29 30) no Hoare annotation was computed. [2020-07-28 17:44:44,391 INFO L264 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (= |ULTIMATE.start___ieee754_asinf_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))))) (= currentRoundingMode roundNearestTiesToEven)) [2020-07-28 17:44:44,391 INFO L268 CegarLoopResult]: For program point L64(lines 64 73) no Hoare annotation was computed. [2020-07-28 17:44:44,391 INFO L264 CegarLoopResult]: At program point L81(lines 17 82) the Hoare annotation is: false [2020-07-28 17:44:44,391 INFO L268 CegarLoopResult]: For program point L32(lines 32 33) no Hoare annotation was computed. [2020-07-28 17:44:44,391 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 17:44:44,391 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed. [2020-07-28 17:44:44,391 INFO L268 CegarLoopResult]: For program point L148(lines 148 169) no Hoare annotation was computed. [2020-07-28 17:44:44,392 INFO L268 CegarLoopResult]: For program point L148-2(lines 108 174) no Hoare annotation was computed. [2020-07-28 17:44:44,392 INFO L268 CegarLoopResult]: For program point L66(lines 66 72) no Hoare annotation was computed. [2020-07-28 17:44:44,392 INFO L268 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2020-07-28 17:44:44,392 INFO L268 CegarLoopResult]: For program point L117(lines 117 137) no Hoare annotation was computed. [2020-07-28 17:44:44,392 INFO L268 CegarLoopResult]: For program point L68(lines 68 71) no Hoare annotation was computed. [2020-07-28 17:44:44,395 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:44:44,395 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:44:44,396 WARN L170 areAnnotationChecker]: L111-1 has no Hoare annotation [2020-07-28 17:44:44,396 WARN L170 areAnnotationChecker]: L111-3 has no Hoare annotation [2020-07-28 17:44:44,396 WARN L170 areAnnotationChecker]: L111-1 has no Hoare annotation [2020-07-28 17:44:44,396 WARN L170 areAnnotationChecker]: L111-1 has no Hoare annotation [2020-07-28 17:44:44,396 WARN L170 areAnnotationChecker]: L111-3 has no Hoare annotation [2020-07-28 17:44:44,396 WARN L170 areAnnotationChecker]: L117 has no Hoare annotation [2020-07-28 17:44:44,396 WARN L170 areAnnotationChecker]: L117 has no Hoare annotation [2020-07-28 17:44:44,400 WARN L170 areAnnotationChecker]: L120 has no Hoare annotation [2020-07-28 17:44:44,400 WARN L170 areAnnotationChecker]: L120 has no Hoare annotation [2020-07-28 17:44:44,400 WARN L170 areAnnotationChecker]: L187 has no Hoare annotation [2020-07-28 17:44:44,400 WARN L170 areAnnotationChecker]: L122 has no Hoare annotation [2020-07-28 17:44:44,400 WARN L170 areAnnotationChecker]: L122 has no Hoare annotation [2020-07-28 17:44:44,400 WARN L170 areAnnotationChecker]: L187 has no Hoare annotation [2020-07-28 17:44:44,400 WARN L170 areAnnotationChecker]: L187 has no Hoare annotation [2020-07-28 17:44:44,400 WARN L170 areAnnotationChecker]: L123 has no Hoare annotation [2020-07-28 17:44:44,400 WARN L170 areAnnotationChecker]: L123 has no Hoare annotation [2020-07-28 17:44:44,401 WARN L170 areAnnotationChecker]: L122-1 has no Hoare annotation [2020-07-28 17:44:44,401 WARN L170 areAnnotationChecker]: L188 has no Hoare annotation [2020-07-28 17:44:44,401 WARN L170 areAnnotationChecker]: L188 has no Hoare annotation [2020-07-28 17:44:44,401 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:44:44,401 WARN L170 areAnnotationChecker]: L124 has no Hoare annotation [2020-07-28 17:44:44,401 WARN L170 areAnnotationChecker]: L124 has no Hoare annotation [2020-07-28 17:44:44,401 WARN L170 areAnnotationChecker]: L85-1 has no Hoare annotation [2020-07-28 17:44:44,401 WARN L170 areAnnotationChecker]: L90-1 has no Hoare annotation [2020-07-28 17:44:44,401 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:44:44,402 WARN L170 areAnnotationChecker]: L85-1 has no Hoare annotation [2020-07-28 17:44:44,402 WARN L170 areAnnotationChecker]: L85-1 has no Hoare annotation [2020-07-28 17:44:44,402 WARN L170 areAnnotationChecker]: L90-1 has no Hoare annotation [2020-07-28 17:44:44,402 WARN L170 areAnnotationChecker]: L90-1 has no Hoare annotation [2020-07-28 17:44:44,402 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-28 17:44:44,402 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-28 17:44:44,402 WARN L170 areAnnotationChecker]: L90-2 has no Hoare annotation [2020-07-28 17:44:44,402 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-28 17:44:44,402 WARN L170 areAnnotationChecker]: L22-3 has no Hoare annotation [2020-07-28 17:44:44,403 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-28 17:44:44,403 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-28 17:44:44,403 WARN L170 areAnnotationChecker]: L22-3 has no Hoare annotation [2020-07-28 17:44:44,403 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-28 17:44:44,403 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-28 17:44:44,403 WARN L170 areAnnotationChecker]: L148 has no Hoare annotation [2020-07-28 17:44:44,403 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-28 17:44:44,403 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-28 17:44:44,403 WARN L170 areAnnotationChecker]: L148 has no Hoare annotation [2020-07-28 17:44:44,404 WARN L170 areAnnotationChecker]: L148 has no Hoare annotation [2020-07-28 17:44:44,404 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-28 17:44:44,404 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-28 17:44:44,404 WARN L170 areAnnotationChecker]: L148-2 has no Hoare annotation [2020-07-28 17:44:44,404 WARN L170 areAnnotationChecker]: L148-2 has no Hoare annotation [2020-07-28 17:44:44,404 WARN L170 areAnnotationChecker]: L154-1 has no Hoare annotation [2020-07-28 17:44:44,404 WARN L170 areAnnotationChecker]: L159-1 has no Hoare annotation [2020-07-28 17:44:44,404 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-28 17:44:44,404 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-28 17:44:44,404 WARN L170 areAnnotationChecker]: L154-1 has no Hoare annotation [2020-07-28 17:44:44,405 WARN L170 areAnnotationChecker]: L154-1 has no Hoare annotation [2020-07-28 17:44:44,405 WARN L170 areAnnotationChecker]: L159-1 has no Hoare annotation [2020-07-28 17:44:44,405 WARN L170 areAnnotationChecker]: L159-1 has no Hoare annotation [2020-07-28 17:44:44,405 WARN L170 areAnnotationChecker]: L39-4 has no Hoare annotation [2020-07-28 17:44:44,405 WARN L170 areAnnotationChecker]: L39-4 has no Hoare annotation [2020-07-28 17:44:44,405 WARN L170 areAnnotationChecker]: L39-2 has no Hoare annotation [2020-07-28 17:44:44,405 WARN L170 areAnnotationChecker]: L38-2 has no Hoare annotation [2020-07-28 17:44:44,405 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2020-07-28 17:44:44,405 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2020-07-28 17:44:44,405 WARN L170 areAnnotationChecker]: L159-2 has no Hoare annotation [2020-07-28 17:44:44,405 WARN L170 areAnnotationChecker]: L39-4 has no Hoare annotation [2020-07-28 17:44:44,406 WARN L170 areAnnotationChecker]: L39-2 has no Hoare annotation [2020-07-28 17:44:44,406 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-28 17:44:44,406 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-28 17:44:44,406 WARN L170 areAnnotationChecker]: L45-2 has no Hoare annotation [2020-07-28 17:44:44,406 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 17:44:44,406 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 17:44:44,406 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:44:44,406 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 17:44:44,406 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 17:44:44,406 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:44:44,406 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:44:44,407 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-28 17:44:44,407 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-28 17:44:44,407 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 17:44:44,407 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-28 17:44:44,407 WARN L170 areAnnotationChecker]: L68 has no Hoare annotation [2020-07-28 17:44:44,407 WARN L170 areAnnotationChecker]: L68 has no Hoare annotation [2020-07-28 17:44:44,407 WARN L170 areAnnotationChecker]: L76-1 has no Hoare annotation [2020-07-28 17:44:44,407 WARN L170 areAnnotationChecker]: L76-3 has no Hoare annotation [2020-07-28 17:44:44,407 WARN L170 areAnnotationChecker]: L76-1 has no Hoare annotation [2020-07-28 17:44:44,407 WARN L170 areAnnotationChecker]: L76-1 has no Hoare annotation [2020-07-28 17:44:44,407 WARN L170 areAnnotationChecker]: L76-3 has no Hoare annotation [2020-07-28 17:44:44,408 INFO L163 areAnnotationChecker]: CFG has 2 edges. 2 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 17:44:44,415 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,416 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,416 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,416 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,416 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,416 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,418 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:44,422 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,422 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,423 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,423 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,423 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,423 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,423 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,424 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,424 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,424 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,424 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,424 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,425 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,425 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,425 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,426 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:44,426 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,427 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,427 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,427 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,427 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,427 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,428 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,428 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,428 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,428 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,429 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,429 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,429 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,429 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,430 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,430 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:44,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,432 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,432 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,432 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,432 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,433 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,433 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,433 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,433 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,433 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,433 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,434 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,434 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:44,435 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,435 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,436 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:44,436 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,436 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,436 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:44,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:44:44 BoogieIcfgContainer [2020-07-28 17:44:44,438 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:44:44,439 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:44:44,439 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:44:44,439 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:44:44,440 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:44:18" (3/4) ... [2020-07-28 17:44:44,443 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 17:44:44,457 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-07-28 17:44:44,457 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 17:44:44,458 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 17:44:44,485 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2020-07-28 17:44:44,486 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2020-07-28 17:44:44,487 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1bv32 == \result && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2020-07-28 17:44:44,524 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 17:44:44,524 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:44:44,526 INFO L168 Benchmark]: Toolchain (without parser) took 36853.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.8 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:44:44,526 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:44:44,527 INFO L168 Benchmark]: CACSL2BoogieTranslator took 495.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -154.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2020-07-28 17:44:44,527 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:44:44,528 INFO L168 Benchmark]: Boogie Preprocessor took 91.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:44:44,528 INFO L168 Benchmark]: RCFGBuilder took 10491.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.3 MB). Peak memory consumption was 60.3 MB. Max. memory is 11.5 GB. [2020-07-28 17:44:44,529 INFO L168 Benchmark]: TraceAbstraction took 25590.17 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -100.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:44:44,529 INFO L168 Benchmark]: Witness Printer took 85.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2020-07-28 17:44:44,532 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 495.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -154.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 91.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 10491.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.3 MB). Peak memory consumption was 60.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 25590.17 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -100.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 85.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 188]: 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: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 108]: Loop Invariant [2020-07-28 17:44:44,550 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,551 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,551 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,551 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,551 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,552 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,552 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,552 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,553 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,553 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,553 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,553 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,553 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,554 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,554 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,554 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:44,555 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,555 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,556 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,556 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,556 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,557 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,557 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,557 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,557 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,557 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,558 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,558 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,558 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,558 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,559 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 13]: Loop Invariant [2020-07-28 17:44:44,560 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,560 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,560 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,561 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,561 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,561 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,561 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,562 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,562 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,562 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,562 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,563 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,564 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:44,564 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,566 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,566 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,567 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,567 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,567 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,567 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:44,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((1bv32 == \result && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 111]: Loop Invariant [2020-07-28 17:44:44,569 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:44,570 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:44,570 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:44,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 20.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 84 SDtfs, 44 SDslu, 23 SDs, 0 SdLazy, 28 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 16 NumberOfFragments, 157 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 54 ConstructedInterpolants, 5 QuantifiedInterpolants, 2294 SizeOfPredicates, 17 NumberOfNonLiveVariables, 135 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...