./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0250b.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_0250b.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 4dddb731074a9a249891d6adbc7c778d25efe28d .................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_0250b.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 4dddb731074a9a249891d6adbc7c778d25efe28d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:43:58,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:43:58,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:43:58,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:43:58,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:43:58,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:43:58,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:43:58,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:43:58,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:43:58,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:43:58,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:43:58,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:43:58,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:43:58,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:43:58,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:43:58,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:43:58,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:43:58,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:43:58,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:43:58,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:43:58,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:43:58,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:43:58,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:43:58,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:43:58,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:43:58,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:43:58,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:43:58,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:43:58,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:43:58,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:43:58,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:43:58,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:43:58,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:43:58,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:43:58,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:43:58,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:43:58,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:43:58,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:43:58,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:43:58,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:43:58,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:43:58,625 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 17:43:58,641 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:43:58,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:43:58,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:43:58,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:43:58,643 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:43:58,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:43:58,643 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:43:58,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 17:43:58,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:43:58,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:43:58,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:43:58,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:43:58,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:43:58,645 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:43:58,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:43:58,645 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:43:58,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:43:58,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:43:58,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:43:58,646 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:43:58,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:43:58,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:43:58,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:43:58,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:43:58,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:43:58,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 17:43:58,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 17:43:58,650 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:43:58,650 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:43:58,650 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 -> 4dddb731074a9a249891d6adbc7c778d25efe28d [2020-07-28 17:43:58,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:43:58,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:43:58,974 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:43:58,975 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:43:58,976 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:43:58,977 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0250b.c [2020-07-28 17:43:59,046 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03ef70dc4/cf9ae58412934bc5b3fded2a81b0813c/FLAGc45a8d926 [2020-07-28 17:43:59,468 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:43:59,469 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0250b.c [2020-07-28 17:43:59,478 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03ef70dc4/cf9ae58412934bc5b3fded2a81b0813c/FLAGc45a8d926 [2020-07-28 17:43:59,827 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03ef70dc4/cf9ae58412934bc5b3fded2a81b0813c [2020-07-28 17:43:59,831 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:43:59,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:43:59,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:43:59,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:43:59,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:43:59,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:43:59" (1/1) ... [2020-07-28 17:43:59,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46261133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:43:59, skipping insertion in model container [2020-07-28 17:43:59,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:43:59" (1/1) ... [2020-07-28 17:43:59,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:43:59,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:44:00,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:44:00,181 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:44:00,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:44:00,361 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:44:00,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:00 WrapperNode [2020-07-28 17:44:00,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:44:00,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:44:00,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:44:00,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:44:00,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:00" (1/1) ... [2020-07-28 17:44:00,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:00" (1/1) ... [2020-07-28 17:44:00,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:44:00,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:44:00,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:44:00,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:44:00,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:00" (1/1) ... [2020-07-28 17:44:00,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:00" (1/1) ... [2020-07-28 17:44:00,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:00" (1/1) ... [2020-07-28 17:44:00,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:00" (1/1) ... [2020-07-28 17:44:00,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:00" (1/1) ... [2020-07-28 17:44:00,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:00" (1/1) ... [2020-07-28 17:44:00,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:00" (1/1) ... [2020-07-28 17:44:00,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:44:00,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:44:00,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:44:00,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:44:00,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:00" (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 17:44:00,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:44:00,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-28 17:44:00,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 17:44:00,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-28 17:44:00,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:44:00,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:44:00,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-28 17:44:00,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:44:01,399 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:44:01,400 INFO L295 CfgBuilder]: Removed 28 assume(true) statements. [2020-07-28 17:44:01,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:44:01 BoogieIcfgContainer [2020-07-28 17:44:01,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:44:01,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:44:01,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:44:01,409 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:44:01,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:43:59" (1/3) ... [2020-07-28 17:44:01,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9909a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:44:01, skipping insertion in model container [2020-07-28 17:44:01,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:00" (2/3) ... [2020-07-28 17:44:01,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9909a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:44:01, skipping insertion in model container [2020-07-28 17:44:01,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:44:01" (3/3) ... [2020-07-28 17:44:01,413 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250b.c [2020-07-28 17:44:01,424 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:44:01,432 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:44:01,446 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:44:01,468 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:44:01,468 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:44:01,468 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:44:01,468 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:44:01,469 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:44:01,469 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:44:01,469 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:44:01,469 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:44:01,484 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2020-07-28 17:44:01,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-28 17:44:01,490 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:44:01,491 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:44:01,492 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:44:01,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:44:01,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1900532880, now seen corresponding path program 1 times [2020-07-28 17:44:01,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:44:01,506 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819455385] [2020-07-28 17:44:01,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:44:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:44:01,641 INFO L280 TraceCheckUtils]: 0: Hoare triple {59#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~huge_floor~0 := 1.0E30;~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 17:44:01,641 INFO L280 TraceCheckUtils]: 1: Hoare triple {59#true} havoc main_#res;havoc main_#t~ret21, main_#t~ret22, main_~x~0, main_~res~0;main_~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0);__ieee754_asinf_#in~x := main_~x~0;havoc __ieee754_asinf_#res;havoc __ieee754_asinf_#t~mem13, __ieee754_asinf_#t~union14, __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset, __ieee754_asinf_#t~ret15, __ieee754_asinf_#t~ret16, __ieee754_asinf_#t~mem17, __ieee754_asinf_#t~union18, __ieee754_asinf_~#gf_u~4.base, __ieee754_asinf_~#gf_u~4.offset, __ieee754_asinf_#t~mem19, __ieee754_asinf_#t~union20, __ieee754_asinf_~#sf_u~3.base, __ieee754_asinf_~#sf_u~3.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~3;__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~3; {59#true} is VALID [2020-07-28 17:44:01,642 INFO L280 TraceCheckUtils]: 2: Hoare triple {59#true} assume !true; {60#false} is VALID [2020-07-28 17:44:01,643 INFO L280 TraceCheckUtils]: 3: Hoare triple {60#false} __ieee754_asinf_~ix~3 := ~bitwiseAnd(__ieee754_asinf_~hx~1, 2147483647); {60#false} is VALID [2020-07-28 17:44:01,643 INFO L280 TraceCheckUtils]: 4: Hoare triple {60#false} assume 1065353216 == __ieee754_asinf_~ix~3;__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 17:44:01,644 INFO L280 TraceCheckUtils]: 5: Hoare triple {60#false} main_#t~ret21 := __ieee754_asinf_#res;main_~res~0 := main_#t~ret21;havoc main_#t~ret21;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 17:44:01,644 INFO L280 TraceCheckUtils]: 6: Hoare triple {60#false} main_#t~ret22 := isnan_float_#res;assume -2147483648 <= main_#t~ret22 && main_#t~ret22 <= 2147483647; {60#false} is VALID [2020-07-28 17:44:01,644 INFO L280 TraceCheckUtils]: 7: Hoare triple {60#false} assume 0 == main_#t~ret22;havoc main_#t~ret22; {60#false} is VALID [2020-07-28 17:44:01,644 INFO L280 TraceCheckUtils]: 8: Hoare triple {60#false} assume !false; {60#false} is VALID [2020-07-28 17:44:01,648 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 17:44:01,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819455385] [2020-07-28 17:44:01,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:44:01,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 17:44:01,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95410239] [2020-07-28 17:44:01,656 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-07-28 17:44:01,658 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:44:01,662 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:44:01,693 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 17:44:01,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:44:01,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 17:44:01,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:44:01,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:44:01,707 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 2 states. [2020-07-28 17:44:01,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:44:01,864 INFO L93 Difference]: Finished difference Result 110 states and 178 transitions. [2020-07-28 17:44:01,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:44:01,865 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-07-28 17:44:01,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:44:01,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:44:01,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 178 transitions. [2020-07-28 17:44:01,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:44:01,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 178 transitions. [2020-07-28 17:44:01,885 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 178 transitions. [2020-07-28 17:44:02,279 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 17:44:02,295 INFO L225 Difference]: With dead ends: 110 [2020-07-28 17:44:02,298 INFO L226 Difference]: Without dead ends: 53 [2020-07-28 17:44:02,302 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 17:44:02,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-07-28 17:44:02,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-07-28 17:44:02,347 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:44:02,347 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand 53 states. [2020-07-28 17:44:02,348 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 17:44:02,348 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 17:44:02,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:44:02,354 INFO L93 Difference]: Finished difference Result 53 states and 70 transitions. [2020-07-28 17:44:02,355 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2020-07-28 17:44:02,356 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:44:02,356 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:44:02,356 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 17:44:02,357 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 17:44:02,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:44:02,362 INFO L93 Difference]: Finished difference Result 53 states and 70 transitions. [2020-07-28 17:44:02,362 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2020-07-28 17:44:02,363 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:44:02,363 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:44:02,364 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:44:02,364 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:44:02,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-07-28 17:44:02,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 70 transitions. [2020-07-28 17:44:02,371 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 70 transitions. Word has length 9 [2020-07-28 17:44:02,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:44:02,371 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 70 transitions. [2020-07-28 17:44:02,371 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:44:02,372 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2020-07-28 17:44:02,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 17:44:02,373 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:44:02,373 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:44:02,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 17:44:02,374 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:44:02,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:44:02,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1487817933, now seen corresponding path program 1 times [2020-07-28 17:44:02,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:44:02,375 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620492130] [2020-07-28 17:44:02,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:44:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:44:02,441 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:44:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:44:02,479 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:44:02,515 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 17:44:02,516 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 17:44:02,518 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 17:44:02,560 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:44:02,560 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:44:02,560 WARN L170 areAnnotationChecker]: L156-2 has no Hoare annotation [2020-07-28 17:44:02,561 WARN L170 areAnnotationChecker]: L156-2 has no Hoare annotation [2020-07-28 17:44:02,561 WARN L170 areAnnotationChecker]: L156-1 has no Hoare annotation [2020-07-28 17:44:02,561 WARN L170 areAnnotationChecker]: L156-1 has no Hoare annotation [2020-07-28 17:44:02,561 WARN L170 areAnnotationChecker]: L156-3 has no Hoare annotation [2020-07-28 17:44:02,562 WARN L170 areAnnotationChecker]: L162 has no Hoare annotation [2020-07-28 17:44:02,562 WARN L170 areAnnotationChecker]: L162 has no Hoare annotation [2020-07-28 17:44:02,562 WARN L170 areAnnotationChecker]: L218 has no Hoare annotation [2020-07-28 17:44:02,562 WARN L170 areAnnotationChecker]: L165 has no Hoare annotation [2020-07-28 17:44:02,563 WARN L170 areAnnotationChecker]: L165 has no Hoare annotation [2020-07-28 17:44:02,563 WARN L170 areAnnotationChecker]: L58 has no Hoare annotation [2020-07-28 17:44:02,563 WARN L170 areAnnotationChecker]: L167 has no Hoare annotation [2020-07-28 17:44:02,563 WARN L170 areAnnotationChecker]: L167 has no Hoare annotation [2020-07-28 17:44:02,563 WARN L170 areAnnotationChecker]: L232 has no Hoare annotation [2020-07-28 17:44:02,564 WARN L170 areAnnotationChecker]: L232 has no Hoare annotation [2020-07-28 17:44:02,564 WARN L170 areAnnotationChecker]: L168 has no Hoare annotation [2020-07-28 17:44:02,564 WARN L170 areAnnotationChecker]: L168 has no Hoare annotation [2020-07-28 17:44:02,564 WARN L170 areAnnotationChecker]: L167-1 has no Hoare annotation [2020-07-28 17:44:02,565 WARN L170 areAnnotationChecker]: L233 has no Hoare annotation [2020-07-28 17:44:02,565 WARN L170 areAnnotationChecker]: L233 has no Hoare annotation [2020-07-28 17:44:02,565 WARN L170 areAnnotationChecker]: L237 has no Hoare annotation [2020-07-28 17:44:02,565 WARN L170 areAnnotationChecker]: L169 has no Hoare annotation [2020-07-28 17:44:02,565 WARN L170 areAnnotationChecker]: L169 has no Hoare annotation [2020-07-28 17:44:02,566 WARN L170 areAnnotationChecker]: L130-2 has no Hoare annotation [2020-07-28 17:44:02,566 WARN L170 areAnnotationChecker]: L130-2 has no Hoare annotation [2020-07-28 17:44:02,566 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:44:02,566 WARN L170 areAnnotationChecker]: L130-1 has no Hoare annotation [2020-07-28 17:44:02,567 WARN L170 areAnnotationChecker]: L130-1 has no Hoare annotation [2020-07-28 17:44:02,567 WARN L170 areAnnotationChecker]: L135-1 has no Hoare annotation [2020-07-28 17:44:02,567 WARN L170 areAnnotationChecker]: L135-1 has no Hoare annotation [2020-07-28 17:44:02,567 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-28 17:44:02,568 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-28 17:44:02,568 WARN L170 areAnnotationChecker]: L135-2 has no Hoare annotation [2020-07-28 17:44:02,568 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2020-07-28 17:44:02,568 WARN L170 areAnnotationChecker]: L67-2 has no Hoare annotation [2020-07-28 17:44:02,568 WARN L170 areAnnotationChecker]: L67-2 has no Hoare annotation [2020-07-28 17:44:02,569 WARN L170 areAnnotationChecker]: L67-1 has no Hoare annotation [2020-07-28 17:44:02,569 WARN L170 areAnnotationChecker]: L67-1 has no Hoare annotation [2020-07-28 17:44:02,569 WARN L170 areAnnotationChecker]: L67-3 has no Hoare annotation [2020-07-28 17:44:02,569 WARN L170 areAnnotationChecker]: L74 has no Hoare annotation [2020-07-28 17:44:02,569 WARN L170 areAnnotationChecker]: L74 has no Hoare annotation [2020-07-28 17:44:02,570 WARN L170 areAnnotationChecker]: L126 has no Hoare annotation [2020-07-28 17:44:02,570 WARN L170 areAnnotationChecker]: L77 has no Hoare annotation [2020-07-28 17:44:02,570 WARN L170 areAnnotationChecker]: L77 has no Hoare annotation [2020-07-28 17:44:02,570 WARN L170 areAnnotationChecker]: L193 has no Hoare annotation [2020-07-28 17:44:02,571 WARN L170 areAnnotationChecker]: L193 has no Hoare annotation [2020-07-28 17:44:02,571 WARN L170 areAnnotationChecker]: L79 has no Hoare annotation [2020-07-28 17:44:02,571 WARN L170 areAnnotationChecker]: L79 has no Hoare annotation [2020-07-28 17:44:02,571 WARN L170 areAnnotationChecker]: L193-2 has no Hoare annotation [2020-07-28 17:44:02,571 WARN L170 areAnnotationChecker]: L193-2 has no Hoare annotation [2020-07-28 17:44:02,572 WARN L170 areAnnotationChecker]: L199-2 has no Hoare annotation [2020-07-28 17:44:02,572 WARN L170 areAnnotationChecker]: L199-2 has no Hoare annotation [2020-07-28 17:44:02,572 WARN L170 areAnnotationChecker]: L83 has no Hoare annotation [2020-07-28 17:44:02,572 WARN L170 areAnnotationChecker]: L83 has no Hoare annotation [2020-07-28 17:44:02,573 WARN L170 areAnnotationChecker]: L199-1 has no Hoare annotation [2020-07-28 17:44:02,573 WARN L170 areAnnotationChecker]: L199-1 has no Hoare annotation [2020-07-28 17:44:02,573 WARN L170 areAnnotationChecker]: L204-1 has no Hoare annotation [2020-07-28 17:44:02,573 WARN L170 areAnnotationChecker]: L204-1 has no Hoare annotation [2020-07-28 17:44:02,573 WARN L170 areAnnotationChecker]: L84-3 has no Hoare annotation [2020-07-28 17:44:02,574 WARN L170 areAnnotationChecker]: L84-3 has no Hoare annotation [2020-07-28 17:44:02,574 WARN L170 areAnnotationChecker]: L84-3 has no Hoare annotation [2020-07-28 17:44:02,574 WARN L170 areAnnotationChecker]: L83-2 has no Hoare annotation [2020-07-28 17:44:02,574 WARN L170 areAnnotationChecker]: L204 has no Hoare annotation [2020-07-28 17:44:02,574 WARN L170 areAnnotationChecker]: L204 has no Hoare annotation [2020-07-28 17:44:02,575 WARN L170 areAnnotationChecker]: L204-2 has no Hoare annotation [2020-07-28 17:44:02,575 WARN L170 areAnnotationChecker]: L84-4 has no Hoare annotation [2020-07-28 17:44:02,575 WARN L170 areAnnotationChecker]: L84-2 has no Hoare annotation [2020-07-28 17:44:02,575 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-28 17:44:02,575 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-28 17:44:02,576 WARN L170 areAnnotationChecker]: L90-2 has no Hoare annotation [2020-07-28 17:44:02,576 WARN L170 areAnnotationChecker]: L98-2 has no Hoare annotation [2020-07-28 17:44:02,576 WARN L170 areAnnotationChecker]: L98-2 has no Hoare annotation [2020-07-28 17:44:02,576 WARN L170 areAnnotationChecker]: L98-2 has no Hoare annotation [2020-07-28 17:44:02,577 WARN L170 areAnnotationChecker]: L98-3 has no Hoare annotation [2020-07-28 17:44:02,577 WARN L170 areAnnotationChecker]: L98-3 has no Hoare annotation [2020-07-28 17:44:02,577 WARN L170 areAnnotationChecker]: L100 has no Hoare annotation [2020-07-28 17:44:02,577 WARN L170 areAnnotationChecker]: L100 has no Hoare annotation [2020-07-28 17:44:02,577 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation [2020-07-28 17:44:02,578 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation [2020-07-28 17:44:02,578 WARN L170 areAnnotationChecker]: L109 has no Hoare annotation [2020-07-28 17:44:02,578 WARN L170 areAnnotationChecker]: L100-2 has no Hoare annotation [2020-07-28 17:44:02,578 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2020-07-28 17:44:02,578 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2020-07-28 17:44:02,579 WARN L170 areAnnotationChecker]: L121-2 has no Hoare annotation [2020-07-28 17:44:02,579 WARN L170 areAnnotationChecker]: L121-2 has no Hoare annotation [2020-07-28 17:44:02,579 WARN L170 areAnnotationChecker]: L121-1 has no Hoare annotation [2020-07-28 17:44:02,579 WARN L170 areAnnotationChecker]: L121-1 has no Hoare annotation [2020-07-28 17:44:02,579 WARN L170 areAnnotationChecker]: L121-3 has no Hoare annotation [2020-07-28 17:44:02,580 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 17:44:02,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:44:02 BoogieIcfgContainer [2020-07-28 17:44:02,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:44:02,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:44:02,585 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:44:02,585 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:44:02,586 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:44:01" (3/4) ... [2020-07-28 17:44:02,591 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-28 17:44:02,591 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:44:02,595 INFO L168 Benchmark]: Toolchain (without parser) took 2761.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 950.8 MB in the beginning and 977.7 MB in the end (delta: -26.9 MB). Peak memory consumption was 112.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:44:02,595 INFO L168 Benchmark]: CDTParser took 0.41 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 17:44:02,597 INFO L168 Benchmark]: CACSL2BoogieTranslator took 527.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -171.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2020-07-28 17:44:02,598 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.54 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 17:44:02,598 INFO L168 Benchmark]: Boogie Preprocessor took 44.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:44:02,599 INFO L168 Benchmark]: RCFGBuilder took 921.84 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: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 11.5 GB. [2020-07-28 17:44:02,600 INFO L168 Benchmark]: TraceAbstraction took 1177.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 977.7 MB in the end (delta: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:44:02,601 INFO L168 Benchmark]: Witness Printer took 6.85 ms. Allocated memory is still 1.2 GB. Free memory is still 977.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:44:02,605 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 0.41 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 527.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -171.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.54 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 44.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 921.84 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: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1177.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 977.7 MB in the end (delta: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 11.5 GB. * Witness Printer took 6.85 ms. Allocated memory is still 1.2 GB. Free memory is still 977.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 233]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someUnaryDOUBLEoperation at line 147, overapproximation of bitwiseAnd at line 161, overapproximation of someUnaryFLOAToperation at line 145, overapproximation of someBinaryArithmeticFLOAToperation at line 164. Possible FailurePath: [L12] static const float huge_floor = 1.0e30; [L60] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L143-L151] 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, huge_floor=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] [L228] float x = -1.0f / 0.0f; [L154] float t, w, p, q, c, r, s; [L155] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, huge_floor=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] [L157] ieee_float_shape_type gf_u; [L158] gf_u.value = (x) [L159] EXPR gf_u.word [L159] (hx) = gf_u.word [L161] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, huge_floor=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] [L162] COND TRUE ix == 0x3f800000 [L164] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, huge_floor=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] [L229] float res = __ieee754_asinf(x); [L58] return x != x; VAL [huge_asin=1000000000000000000000000000000, huge_floor=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] [L232] COND TRUE !isnan_float(res) [L233] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, huge_floor=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: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.6s, 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 17:44:04,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:44:04,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:44:04,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:44:04,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:44:04,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:44:04,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:44:04,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:44:04,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:44:04,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:44:04,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:44:04,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:44:04,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:44:04,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:44:04,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:44:04,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:44:04,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:44:04,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:44:04,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:44:04,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:44:04,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:44:04,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:44:04,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:44:04,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:44:04,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:44:04,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:44:04,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:44:04,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:44:04,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:44:04,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:44:04,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:44:04,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:44:04,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:44:04,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:44:04,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:44:04,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:44:04,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:44:04,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:44:04,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:44:04,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:44:04,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:44:04,672 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 17:44:04,714 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:44:04,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:44:04,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:44:04,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:44:04,719 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:44:04,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:44:04,719 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:44:04,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:44:04,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:44:04,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:44:04,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:44:04,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:44:04,723 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 17:44:04,723 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 17:44:04,724 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:44:04,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:44:04,724 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:44:04,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:44:04,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:44:04,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:44:04,726 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:44:04,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:44:04,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:44:04,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:44:04,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:44:04,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:44:04,728 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 17:44:04,728 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 17:44:04,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:44:04,730 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:44:04,730 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 17:44:04,730 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 -> 4dddb731074a9a249891d6adbc7c778d25efe28d [2020-07-28 17:44:05,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:44:05,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:44:05,102 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:44:05,104 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:44:05,105 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:44:05,106 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0250b.c [2020-07-28 17:44:05,172 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/421824d86/205b1bc3a4194c5aa0f5e32f05defa65/FLAG8a5359a98 [2020-07-28 17:44:05,615 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:44:05,616 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0250b.c [2020-07-28 17:44:05,626 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/421824d86/205b1bc3a4194c5aa0f5e32f05defa65/FLAG8a5359a98 [2020-07-28 17:44:06,015 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/421824d86/205b1bc3a4194c5aa0f5e32f05defa65 [2020-07-28 17:44:06,019 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:44:06,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:44:06,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:44:06,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:44:06,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:44:06,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:44:06" (1/1) ... [2020-07-28 17:44:06,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36fd94d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:06, skipping insertion in model container [2020-07-28 17:44:06,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:44:06" (1/1) ... [2020-07-28 17:44:06,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:44:06,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:44:06,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:44:06,476 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:44:06,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:44:06,670 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:44:06,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:06 WrapperNode [2020-07-28 17:44:06,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:44:06,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:44:06,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:44:06,673 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:44:06,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:06" (1/1) ... [2020-07-28 17:44:06,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:06" (1/1) ... [2020-07-28 17:44:06,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:44:06,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:44:06,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:44:06,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:44:06,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:06" (1/1) ... [2020-07-28 17:44:06,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:06" (1/1) ... [2020-07-28 17:44:06,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:06" (1/1) ... [2020-07-28 17:44:06,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:06" (1/1) ... [2020-07-28 17:44:06,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:06" (1/1) ... [2020-07-28 17:44:06,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:06" (1/1) ... [2020-07-28 17:44:06,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:06" (1/1) ... [2020-07-28 17:44:06,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:44:06,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:44:06,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:44:06,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:44:06,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:06" (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 17:44:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:44:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-07-28 17:44:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-07-28 17:44:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:44:06,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:44:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-07-28 17:44:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-07-28 17:44:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:44:17,949 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:44:17,950 INFO L295 CfgBuilder]: Removed 28 assume(true) statements. [2020-07-28 17:44:17,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:44:17 BoogieIcfgContainer [2020-07-28 17:44:17,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:44:17,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:44:17,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:44:17,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:44:17,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:44:06" (1/3) ... [2020-07-28 17:44:17,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc5569c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:44:17, skipping insertion in model container [2020-07-28 17:44:17,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:06" (2/3) ... [2020-07-28 17:44:17,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc5569c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:44:17, skipping insertion in model container [2020-07-28 17:44:17,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:44:17" (3/3) ... [2020-07-28 17:44:17,964 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250b.c [2020-07-28 17:44:17,975 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:44:17,983 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:44:17,996 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:44:18,016 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:44:18,017 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:44:18,017 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:44:18,017 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:44:18,017 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:44:18,017 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:44:18,017 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:44:18,018 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:44:18,031 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2020-07-28 17:44:18,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-28 17:44:18,037 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:44:18,038 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:44:18,038 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:44:18,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:44:18,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1900532880, now seen corresponding path program 1 times [2020-07-28 17:44:18,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:44:18,055 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1092025735] [2020-07-28 17:44:18,055 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 17:44:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:44:18,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-28 17:44:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:44:18,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:44:18,739 INFO L280 TraceCheckUtils]: 0: Hoare triple {59#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_floor~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~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 17:44:18,741 INFO L280 TraceCheckUtils]: 1: Hoare triple {59#true} havoc main_#res;havoc main_#t~ret21, main_#t~ret22, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 1.0)), ~Pluszero~FLOAT());__ieee754_asinf_#in~x := main_~x~0;havoc __ieee754_asinf_#res;havoc __ieee754_asinf_#t~mem13, __ieee754_asinf_#t~union14, __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset, __ieee754_asinf_#t~ret15, __ieee754_asinf_#t~ret16, __ieee754_asinf_#t~mem17, __ieee754_asinf_#t~union18, __ieee754_asinf_~#gf_u~4.base, __ieee754_asinf_~#gf_u~4.offset, __ieee754_asinf_#t~mem19, __ieee754_asinf_#t~union20, __ieee754_asinf_~#sf_u~3.base, __ieee754_asinf_~#sf_u~3.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~3;__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~3; {59#true} is VALID [2020-07-28 17:44:18,742 INFO L280 TraceCheckUtils]: 2: Hoare triple {59#true} assume !true; {60#false} is VALID [2020-07-28 17:44:18,743 INFO L280 TraceCheckUtils]: 3: Hoare triple {60#false} __ieee754_asinf_~ix~3 := ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1); {60#false} is VALID [2020-07-28 17:44:18,743 INFO L280 TraceCheckUtils]: 4: Hoare triple {60#false} assume 1065353216bv32 == __ieee754_asinf_~ix~3;__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 17:44:18,744 INFO L280 TraceCheckUtils]: 5: Hoare triple {60#false} main_#t~ret21 := __ieee754_asinf_#res;main_~res~0 := main_#t~ret21;havoc main_#t~ret21;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 17:44:18,744 INFO L280 TraceCheckUtils]: 6: Hoare triple {60#false} main_#t~ret22 := isnan_float_#res; {60#false} is VALID [2020-07-28 17:44:18,745 INFO L280 TraceCheckUtils]: 7: Hoare triple {60#false} assume 0bv32 == main_#t~ret22;havoc main_#t~ret22; {60#false} is VALID [2020-07-28 17:44:18,745 INFO L280 TraceCheckUtils]: 8: Hoare triple {60#false} assume !false; {60#false} is VALID [2020-07-28 17:44:18,749 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 17:44:18,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:44:18,775 INFO L280 TraceCheckUtils]: 8: Hoare triple {60#false} assume !false; {60#false} is VALID [2020-07-28 17:44:18,776 INFO L280 TraceCheckUtils]: 7: Hoare triple {60#false} assume 0bv32 == main_#t~ret22;havoc main_#t~ret22; {60#false} is VALID [2020-07-28 17:44:18,776 INFO L280 TraceCheckUtils]: 6: Hoare triple {60#false} main_#t~ret22 := isnan_float_#res; {60#false} is VALID [2020-07-28 17:44:18,776 INFO L280 TraceCheckUtils]: 5: Hoare triple {60#false} main_#t~ret21 := __ieee754_asinf_#res;main_~res~0 := main_#t~ret21;havoc main_#t~ret21;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 17:44:18,777 INFO L280 TraceCheckUtils]: 4: Hoare triple {60#false} assume 1065353216bv32 == __ieee754_asinf_~ix~3;__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 17:44:18,777 INFO L280 TraceCheckUtils]: 3: Hoare triple {60#false} __ieee754_asinf_~ix~3 := ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1); {60#false} is VALID [2020-07-28 17:44:18,779 INFO L280 TraceCheckUtils]: 2: Hoare triple {59#true} assume !true; {60#false} is VALID [2020-07-28 17:44:18,780 INFO L280 TraceCheckUtils]: 1: Hoare triple {59#true} havoc main_#res;havoc main_#t~ret21, main_#t~ret22, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 1.0)), ~Pluszero~FLOAT());__ieee754_asinf_#in~x := main_~x~0;havoc __ieee754_asinf_#res;havoc __ieee754_asinf_#t~mem13, __ieee754_asinf_#t~union14, __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset, __ieee754_asinf_#t~ret15, __ieee754_asinf_#t~ret16, __ieee754_asinf_#t~mem17, __ieee754_asinf_#t~union18, __ieee754_asinf_~#gf_u~4.base, __ieee754_asinf_~#gf_u~4.offset, __ieee754_asinf_#t~mem19, __ieee754_asinf_#t~union20, __ieee754_asinf_~#sf_u~3.base, __ieee754_asinf_~#sf_u~3.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~3;__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~3; {59#true} is VALID [2020-07-28 17:44:18,780 INFO L280 TraceCheckUtils]: 0: Hoare triple {59#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_floor~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~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 17:44:18,781 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 17:44:18,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1092025735] [2020-07-28 17:44:18,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:44:18,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-07-28 17:44:18,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381519977] [2020-07-28 17:44:18,794 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-07-28 17:44:18,797 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:44:18,801 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:44:18,914 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 17:44:18,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:44:18,915 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:44:18,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:44:18,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:44:18,927 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 2 states. [2020-07-28 17:44:29,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:44:29,413 INFO L93 Difference]: Finished difference Result 110 states and 178 transitions. [2020-07-28 17:44:29,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:44:29,414 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-07-28 17:44:29,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:44:29,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:44:29,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 178 transitions. [2020-07-28 17:44:29,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:44:29,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 178 transitions. [2020-07-28 17:44:29,438 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 178 transitions. [2020-07-28 17:44:34,560 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 17:44:34,574 INFO L225 Difference]: With dead ends: 110 [2020-07-28 17:44:34,574 INFO L226 Difference]: Without dead ends: 53 [2020-07-28 17:44:34,578 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 17:44:34,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-07-28 17:44:34,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-07-28 17:44:34,615 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:44:34,616 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand 53 states. [2020-07-28 17:44:34,617 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 17:44:34,617 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 17:44:34,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:44:34,623 INFO L93 Difference]: Finished difference Result 53 states and 70 transitions. [2020-07-28 17:44:34,623 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2020-07-28 17:44:34,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:44:34,624 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:44:34,624 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 17:44:34,624 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 17:44:34,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:44:34,629 INFO L93 Difference]: Finished difference Result 53 states and 70 transitions. [2020-07-28 17:44:34,629 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2020-07-28 17:44:34,630 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:44:34,630 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:44:34,631 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:44:34,631 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:44:34,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-07-28 17:44:34,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 70 transitions. [2020-07-28 17:44:34,637 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 70 transitions. Word has length 9 [2020-07-28 17:44:34,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:44:34,637 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 70 transitions. [2020-07-28 17:44:34,637 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:44:34,637 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2020-07-28 17:44:34,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 17:44:34,638 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:44:34,638 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:44:34,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-28 17:44:34,847 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:44:34,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:44:34,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1487817933, now seen corresponding path program 1 times [2020-07-28 17:44:34,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:44:34,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1019831794] [2020-07-28 17:44:34,851 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 17:44:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:44:35,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-28 17:44:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:44:35,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:44:35,659 INFO L280 TraceCheckUtils]: 0: Hoare triple {415#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_floor~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~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 17:44:35,663 INFO L280 TraceCheckUtils]: 1: Hoare triple {415#true} havoc main_#res;havoc main_#t~ret21, main_#t~ret22, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 1.0)), ~Pluszero~FLOAT());__ieee754_asinf_#in~x := main_~x~0;havoc __ieee754_asinf_#res;havoc __ieee754_asinf_#t~mem13, __ieee754_asinf_#t~union14, __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset, __ieee754_asinf_#t~ret15, __ieee754_asinf_#t~ret16, __ieee754_asinf_#t~mem17, __ieee754_asinf_#t~union18, __ieee754_asinf_~#gf_u~4.base, __ieee754_asinf_~#gf_u~4.offset, __ieee754_asinf_#t~mem19, __ieee754_asinf_#t~union20, __ieee754_asinf_~#sf_u~3.base, __ieee754_asinf_~#sf_u~3.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~3;__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~3; {423#(exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))} is VALID [2020-07-28 17:44:35,669 INFO L280 TraceCheckUtils]: 2: Hoare triple {423#(exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))} call __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_asinf_~x, __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset, 4bv32);call __ieee754_asinf_#t~mem13 := read~intINTTYPE4(__ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset, 4bv32);__ieee754_asinf_~hx~1 := __ieee754_asinf_#t~mem13;call write~intFLOATTYPE4(__ieee754_asinf_#t~union14, __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset, 4bv32);havoc __ieee754_asinf_#t~union14;havoc __ieee754_asinf_#t~mem13;call ULTIMATE.dealloc(__ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset);havoc __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset; {427#(exists ((currentRoundingMode RoundingMode)) (= (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)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))} is VALID [2020-07-28 17:44:35,671 INFO L280 TraceCheckUtils]: 3: Hoare triple {427#(exists ((currentRoundingMode RoundingMode)) (= (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)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))} goto; {427#(exists ((currentRoundingMode RoundingMode)) (= (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)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))} is VALID [2020-07-28 17:44:35,678 INFO L280 TraceCheckUtils]: 4: Hoare triple {427#(exists ((currentRoundingMode RoundingMode)) (= (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)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))} __ieee754_asinf_~ix~3 := ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1); {434#(exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (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)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_asinf_~ix~3 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1))))} is VALID [2020-07-28 17:44:35,769 INFO L280 TraceCheckUtils]: 5: Hoare triple {434#(exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (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)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_asinf_~ix~3 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1))))} assume 1065353216bv32 == __ieee754_asinf_~ix~3;__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 17:44:35,770 INFO L280 TraceCheckUtils]: 6: Hoare triple {416#false} main_#t~ret21 := __ieee754_asinf_#res;main_~res~0 := main_#t~ret21;havoc main_#t~ret21;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 17:44:35,770 INFO L280 TraceCheckUtils]: 7: Hoare triple {416#false} main_#t~ret22 := isnan_float_#res; {416#false} is VALID [2020-07-28 17:44:35,771 INFO L280 TraceCheckUtils]: 8: Hoare triple {416#false} assume 0bv32 == main_#t~ret22;havoc main_#t~ret22; {416#false} is VALID [2020-07-28 17:44:35,771 INFO L280 TraceCheckUtils]: 9: Hoare triple {416#false} assume !false; {416#false} is VALID [2020-07-28 17:44:35,773 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 17:44:35,773 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:44:35,938 INFO L280 TraceCheckUtils]: 9: Hoare triple {416#false} assume !false; {416#false} is VALID [2020-07-28 17:44:35,938 INFO L280 TraceCheckUtils]: 8: Hoare triple {416#false} assume 0bv32 == main_#t~ret22;havoc main_#t~ret22; {416#false} is VALID [2020-07-28 17:44:35,938 INFO L280 TraceCheckUtils]: 7: Hoare triple {416#false} main_#t~ret22 := isnan_float_#res; {416#false} is VALID [2020-07-28 17:44:35,939 INFO L280 TraceCheckUtils]: 6: Hoare triple {416#false} main_#t~ret21 := __ieee754_asinf_#res;main_~res~0 := main_#t~ret21;havoc main_#t~ret21;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 17:44:35,939 INFO L280 TraceCheckUtils]: 5: Hoare triple {462#(not (= (bvadd ULTIMATE.start___ieee754_asinf_~ix~3 (_ bv3229614080 32)) (_ bv0 32)))} assume 1065353216bv32 == __ieee754_asinf_~ix~3;__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 17:44:35,945 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~3 := ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1); {462#(not (= (bvadd ULTIMATE.start___ieee754_asinf_~ix~3 (_ bv3229614080 32)) (_ bv0 32)))} is VALID [2020-07-28 17:44:35,946 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 17:44:35,950 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~3.base, __ieee754_asinf_~#gf_u~3.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_asinf_~x, __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset, 4bv32);call __ieee754_asinf_#t~mem13 := read~intINTTYPE4(__ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset, 4bv32);__ieee754_asinf_~hx~1 := __ieee754_asinf_#t~mem13;call write~intFLOATTYPE4(__ieee754_asinf_#t~union14, __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset, 4bv32);havoc __ieee754_asinf_#t~union14;havoc __ieee754_asinf_#t~mem13;call ULTIMATE.dealloc(__ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset);havoc __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset; {466#(not (= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1) (_ bv3229614080 32)) (_ bv0 32)))} is VALID [2020-07-28 17:44:35,954 INFO L280 TraceCheckUtils]: 1: Hoare triple {415#true} havoc main_#res;havoc main_#t~ret21, main_#t~ret22, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 1.0)), ~Pluszero~FLOAT());__ieee754_asinf_#in~x := main_~x~0;havoc __ieee754_asinf_#res;havoc __ieee754_asinf_#t~mem13, __ieee754_asinf_#t~union14, __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset, __ieee754_asinf_#t~ret15, __ieee754_asinf_#t~ret16, __ieee754_asinf_#t~mem17, __ieee754_asinf_#t~union18, __ieee754_asinf_~#gf_u~4.base, __ieee754_asinf_~#gf_u~4.offset, __ieee754_asinf_#t~mem19, __ieee754_asinf_#t~union20, __ieee754_asinf_~#sf_u~3.base, __ieee754_asinf_~#sf_u~3.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~3;__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~3; {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 17:44:35,955 INFO L280 TraceCheckUtils]: 0: Hoare triple {415#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_floor~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~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 17:44:35,955 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 17:44:35,956 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1019831794] [2020-07-28 17:44:35,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:44:35,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-07-28 17:44:35,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733071036] [2020-07-28 17:44:35,958 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2020-07-28 17:44:35,959 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:44:35,959 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-28 17:44:36,149 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 17:44:36,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-28 17:44:36,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:44:36,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-28 17:44:36,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-28 17:44:36,151 INFO L87 Difference]: Start difference. First operand 53 states and 70 transitions. Second operand 8 states. [2020-07-28 17:44:37,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:44:37,394 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2020-07-28 17:44:37,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 17:44:37,394 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2020-07-28 17:44:37,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:44:37,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 17:44:37,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 74 transitions. [2020-07-28 17:44:37,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 17:44:37,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 74 transitions. [2020-07-28 17:44:37,400 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 74 transitions. [2020-07-28 17:44:40,033 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 17:44:40,034 INFO L225 Difference]: With dead ends: 58 [2020-07-28 17:44:40,034 INFO L226 Difference]: Without dead ends: 12 [2020-07-28 17:44:40,036 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-07-28 17:44:40,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-07-28 17:44:40,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-07-28 17:44:40,044 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:44:40,045 INFO L82 GeneralOperation]: Start isEquivalent. First operand 12 states. Second operand 12 states. [2020-07-28 17:44:40,045 INFO L74 IsIncluded]: Start isIncluded. First operand 12 states. Second operand 12 states. [2020-07-28 17:44:40,045 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 12 states. [2020-07-28 17:44:40,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:44:40,046 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-07-28 17:44:40,046 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-07-28 17:44:40,046 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:44:40,047 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:44:40,047 INFO L74 IsIncluded]: Start isIncluded. First operand 12 states. Second operand 12 states. [2020-07-28 17:44:40,047 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 12 states. [2020-07-28 17:44:40,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:44:40,048 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-07-28 17:44:40,048 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-07-28 17:44:40,049 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:44:40,049 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:44:40,049 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:44:40,049 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:44:40,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-28 17:44:40,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2020-07-28 17:44:40,050 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 10 [2020-07-28 17:44:40,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:44:40,051 INFO L479 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2020-07-28 17:44:40,051 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-28 17:44:40,051 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-07-28 17:44:40,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 17:44:40,052 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:44:40,052 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:44:40,252 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-07-28 17:44:40,253 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:44:40,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:44:40,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1242404338, now seen corresponding path program 1 times [2020-07-28 17:44:40,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:44:40,255 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [342030422] [2020-07-28 17:44:40,256 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 17:44:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:44:40,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-28 17:44:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:44:40,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:44:40,985 INFO L280 TraceCheckUtils]: 0: Hoare triple {593#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_floor~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~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 17:44:40,987 INFO L280 TraceCheckUtils]: 1: Hoare triple {598#(= currentRoundingMode roundNearestTiesToEven)} havoc main_#res;havoc main_#t~ret21, main_#t~ret22, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 1.0)), ~Pluszero~FLOAT());__ieee754_asinf_#in~x := main_~x~0;havoc __ieee754_asinf_#res;havoc __ieee754_asinf_#t~mem13, __ieee754_asinf_#t~union14, __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset, __ieee754_asinf_#t~ret15, __ieee754_asinf_#t~ret16, __ieee754_asinf_#t~mem17, __ieee754_asinf_#t~union18, __ieee754_asinf_~#gf_u~4.base, __ieee754_asinf_~#gf_u~4.offset, __ieee754_asinf_#t~mem19, __ieee754_asinf_#t~union20, __ieee754_asinf_~#sf_u~3.base, __ieee754_asinf_~#sf_u~3.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~3;__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~3; {602#(and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))} is VALID [2020-07-28 17:44:40,988 INFO L280 TraceCheckUtils]: 2: Hoare triple {602#(and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))} call __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_asinf_~x, __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset, 4bv32);call __ieee754_asinf_#t~mem13 := read~intINTTYPE4(__ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset, 4bv32);__ieee754_asinf_~hx~1 := __ieee754_asinf_#t~mem13;call write~intFLOATTYPE4(__ieee754_asinf_#t~union14, __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset, 4bv32);havoc __ieee754_asinf_#t~union14;havoc __ieee754_asinf_#t~mem13;call ULTIMATE.dealloc(__ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset);havoc __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset; {602#(and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))} is VALID [2020-07-28 17:44:40,989 INFO L280 TraceCheckUtils]: 3: Hoare triple {602#(and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))} goto; {602#(and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))} is VALID [2020-07-28 17:44:40,990 INFO L280 TraceCheckUtils]: 4: Hoare triple {602#(and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))} __ieee754_asinf_~ix~3 := ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1); {602#(and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))} is VALID [2020-07-28 17:44:40,992 INFO L280 TraceCheckUtils]: 5: Hoare triple {602#(and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))} assume !(1065353216bv32 == __ieee754_asinf_~ix~3); {602#(and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))} is VALID [2020-07-28 17:44:40,998 INFO L280 TraceCheckUtils]: 6: Hoare triple {602#(and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))} assume ~bvsgt32(__ieee754_asinf_~ix~3, 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#(= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) |ULTIMATE.start___ieee754_asinf_#res|)} is VALID [2020-07-28 17:44:41,002 INFO L280 TraceCheckUtils]: 7: Hoare triple {618#(= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) |ULTIMATE.start___ieee754_asinf_#res|)} main_#t~ret21 := __ieee754_asinf_#res;main_~res~0 := main_#t~ret21;havoc main_#t~ret21;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 17:44:41,003 INFO L280 TraceCheckUtils]: 8: Hoare triple {622#(= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|)} main_#t~ret22 := isnan_float_#res; {626#(= (_ bv1 32) |ULTIMATE.start_main_#t~ret22|)} is VALID [2020-07-28 17:44:41,004 INFO L280 TraceCheckUtils]: 9: Hoare triple {626#(= (_ bv1 32) |ULTIMATE.start_main_#t~ret22|)} assume 0bv32 == main_#t~ret22;havoc main_#t~ret22; {594#false} is VALID [2020-07-28 17:44:41,004 INFO L280 TraceCheckUtils]: 10: Hoare triple {594#false} assume !false; {594#false} is VALID [2020-07-28 17:44:41,005 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 17:44:41,006 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:44:41,580 INFO L280 TraceCheckUtils]: 10: Hoare triple {594#false} assume !false; {594#false} is VALID [2020-07-28 17:44:41,581 INFO L280 TraceCheckUtils]: 9: Hoare triple {636#(not (= (_ bv0 32) |ULTIMATE.start_main_#t~ret22|))} assume 0bv32 == main_#t~ret22;havoc main_#t~ret22; {594#false} is VALID [2020-07-28 17:44:41,582 INFO L280 TraceCheckUtils]: 8: Hoare triple {640#(not (= (_ bv0 32) |ULTIMATE.start_isnan_float_#res|))} main_#t~ret22 := isnan_float_#res; {636#(not (= (_ bv0 32) |ULTIMATE.start_main_#t~ret22|))} is VALID [2020-07-28 17:44:41,589 INFO L280 TraceCheckUtils]: 7: Hoare triple {618#(= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) |ULTIMATE.start___ieee754_asinf_#res|)} main_#t~ret21 := __ieee754_asinf_#res;main_~res~0 := main_#t~ret21;havoc main_#t~ret21;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 17:44:41,848 INFO L280 TraceCheckUtils]: 6: Hoare triple {593#true} assume ~bvsgt32(__ieee754_asinf_~ix~3, 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#(= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) |ULTIMATE.start___ieee754_asinf_#res|)} is VALID [2020-07-28 17:44:41,849 INFO L280 TraceCheckUtils]: 5: Hoare triple {593#true} assume !(1065353216bv32 == __ieee754_asinf_~ix~3); {593#true} is VALID [2020-07-28 17:44:41,849 INFO L280 TraceCheckUtils]: 4: Hoare triple {593#true} __ieee754_asinf_~ix~3 := ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1); {593#true} is VALID [2020-07-28 17:44:41,849 INFO L280 TraceCheckUtils]: 3: Hoare triple {593#true} goto; {593#true} is VALID [2020-07-28 17:44:41,850 INFO L280 TraceCheckUtils]: 2: Hoare triple {593#true} call __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_asinf_~x, __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset, 4bv32);call __ieee754_asinf_#t~mem13 := read~intINTTYPE4(__ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset, 4bv32);__ieee754_asinf_~hx~1 := __ieee754_asinf_#t~mem13;call write~intFLOATTYPE4(__ieee754_asinf_#t~union14, __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset, 4bv32);havoc __ieee754_asinf_#t~union14;havoc __ieee754_asinf_#t~mem13;call ULTIMATE.dealloc(__ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset);havoc __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset; {593#true} is VALID [2020-07-28 17:44:41,850 INFO L280 TraceCheckUtils]: 1: Hoare triple {593#true} havoc main_#res;havoc main_#t~ret21, main_#t~ret22, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 1.0)), ~Pluszero~FLOAT());__ieee754_asinf_#in~x := main_~x~0;havoc __ieee754_asinf_#res;havoc __ieee754_asinf_#t~mem13, __ieee754_asinf_#t~union14, __ieee754_asinf_~#gf_u~3.base, __ieee754_asinf_~#gf_u~3.offset, __ieee754_asinf_#t~ret15, __ieee754_asinf_#t~ret16, __ieee754_asinf_#t~mem17, __ieee754_asinf_#t~union18, __ieee754_asinf_~#gf_u~4.base, __ieee754_asinf_~#gf_u~4.offset, __ieee754_asinf_#t~mem19, __ieee754_asinf_#t~union20, __ieee754_asinf_~#sf_u~3.base, __ieee754_asinf_~#sf_u~3.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~3;__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~3; {593#true} is VALID [2020-07-28 17:44:41,850 INFO L280 TraceCheckUtils]: 0: Hoare triple {593#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_floor~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~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 17:44:41,851 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 17:44:41,851 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [342030422] [2020-07-28 17:44:41,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:44:41,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2020-07-28 17:44:41,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094740182] [2020-07-28 17:44:41,852 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2020-07-28 17:44:41,853 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:44:41,853 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-28 17:44:42,744 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 17:44:42,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-28 17:44:42,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:44:42,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-28 17:44:42,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-28 17:44:42,746 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 9 states. [2020-07-28 17:44:44,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:44:44,309 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-07-28 17:44:44,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 17:44:44,310 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2020-07-28 17:44:44,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:44:44,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-28 17:44:44,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 11 transitions. [2020-07-28 17:44:44,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-28 17:44:44,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 11 transitions. [2020-07-28 17:44:44,312 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 11 transitions. [2020-07-28 17:44:44,491 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 17:44:44,492 INFO L225 Difference]: With dead ends: 12 [2020-07-28 17:44:44,492 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 17:44:44,493 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-07-28 17:44:44,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 17:44:44,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 17:44:44,511 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:44:44,511 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 17:44:44,511 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:44:44,511 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:44:44,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:44:44,512 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:44:44,512 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:44:44,512 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:44:44,512 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:44:44,512 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:44:44,512 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:44:44,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:44:44,513 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:44:44,513 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:44:44,513 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:44:44,513 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:44:44,513 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:44:44,513 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:44:44,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 17:44:44,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 17:44:44,514 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-07-28 17:44:44,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:44:44,514 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 17:44:44,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-28 17:44:44,514 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:44:44,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:44:44,725 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-07-28 17:44:44,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 17:44:44,952 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2020-07-28 17:44:45,066 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2020-07-28 17:44:45,090 INFO L268 CegarLoopResult]: For program point L168(lines 168 181) no Hoare annotation was computed. [2020-07-28 17:44:45,090 INFO L268 CegarLoopResult]: For program point L135(lines 135 139) no Hoare annotation was computed. [2020-07-28 17:44:45,090 INFO L268 CegarLoopResult]: For program point L135-1(lines 128 141) no Hoare annotation was computed. [2020-07-28 17:44:45,090 INFO L268 CegarLoopResult]: For program point L135-2(lines 135 139) no Hoare annotation was computed. [2020-07-28 17:44:45,091 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 17:44:45,091 INFO L264 CegarLoopResult]: At program point L218(lines 153 219) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (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)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (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)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_asinf_~ix~3 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)))) (= (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start___ieee754_asinf_#res|) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) [2020-07-28 17:44:45,091 INFO L268 CegarLoopResult]: For program point L169(lines 169 170) no Hoare annotation was computed. [2020-07-28 17:44:45,091 INFO L268 CegarLoopResult]: For program point L121-1(lines 121 125) no Hoare annotation was computed. [2020-07-28 17:44:45,091 INFO L264 CegarLoopResult]: At program point L121-2(lines 121 125) the Hoare annotation is: false [2020-07-28 17:44:45,091 INFO L268 CegarLoopResult]: For program point L121-3(lines 121 125) no Hoare annotation was computed. [2020-07-28 17:44:45,092 INFO L271 CegarLoopResult]: At program point L237(lines 221 238) the Hoare annotation is: true [2020-07-28 17:44:45,092 INFO L268 CegarLoopResult]: For program point L204(lines 204 208) no Hoare annotation was computed. [2020-07-28 17:44:45,092 INFO L268 CegarLoopResult]: For program point L204-1(lines 196 214) no Hoare annotation was computed. [2020-07-28 17:44:45,092 INFO L268 CegarLoopResult]: For program point L204-2(lines 204 208) no Hoare annotation was computed. [2020-07-28 17:44:45,092 INFO L268 CegarLoopResult]: For program point L156-1(lines 156 160) no Hoare annotation was computed. [2020-07-28 17:44:45,092 INFO L264 CegarLoopResult]: At program point L156-2(lines 156 160) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) [2020-07-28 17:44:45,092 INFO L268 CegarLoopResult]: For program point L90(lines 90 91) no Hoare annotation was computed. [2020-07-28 17:44:45,093 INFO L268 CegarLoopResult]: For program point L156-3(lines 156 160) no Hoare annotation was computed. [2020-07-28 17:44:45,093 INFO L268 CegarLoopResult]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2020-07-28 17:44:45,093 INFO L264 CegarLoopResult]: At program point L140(lines 128 141) the Hoare annotation is: false [2020-07-28 17:44:45,093 INFO L268 CegarLoopResult]: For program point L74(lines 74 75) no Hoare annotation was computed. [2020-07-28 17:44:45,093 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 17:44:45,093 INFO L264 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (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)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (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)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_asinf_~ix~3 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)))) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (= (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start___ieee754_asinf_#res|) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) [2020-07-28 17:44:45,093 INFO L268 CegarLoopResult]: For program point L109(lines 109 118) no Hoare annotation was computed. [2020-07-28 17:44:45,094 INFO L264 CegarLoopResult]: At program point L126(lines 62 127) the Hoare annotation is: false [2020-07-28 17:44:45,094 INFO L268 CegarLoopResult]: For program point L77(lines 77 78) no Hoare annotation was computed. [2020-07-28 17:44:45,094 INFO L268 CegarLoopResult]: For program point L193(lines 193 214) no Hoare annotation was computed. [2020-07-28 17:44:45,094 INFO L268 CegarLoopResult]: For program point L193-2(lines 153 219) no Hoare annotation was computed. [2020-07-28 17:44:45,094 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 17:44:45,094 INFO L268 CegarLoopResult]: For program point L111(lines 111 117) no Hoare annotation was computed. [2020-07-28 17:44:45,094 INFO L268 CegarLoopResult]: For program point L79(lines 79 80) no Hoare annotation was computed. [2020-07-28 17:44:45,094 INFO L268 CegarLoopResult]: For program point L162(lines 162 182) no Hoare annotation was computed. [2020-07-28 17:44:45,094 INFO L268 CegarLoopResult]: For program point L113(lines 113 116) no Hoare annotation was computed. [2020-07-28 17:44:45,095 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2020-07-28 17:44:45,095 INFO L264 CegarLoopResult]: At program point L130-2(lines 130 134) the Hoare annotation is: false [2020-07-28 17:44:45,095 INFO L264 CegarLoopResult]: At program point L98-2(lines 98 107) the Hoare annotation is: false [2020-07-28 17:44:45,095 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 17:44:45,095 INFO L268 CegarLoopResult]: For program point L98-3(lines 62 127) no Hoare annotation was computed. [2020-07-28 17:44:45,095 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 233) no Hoare annotation was computed. [2020-07-28 17:44:45,095 INFO L268 CegarLoopResult]: For program point L165(lines 165 182) no Hoare annotation was computed. [2020-07-28 17:44:45,095 INFO L268 CegarLoopResult]: For program point L83(lines 83 87) no Hoare annotation was computed. [2020-07-28 17:44:45,095 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 87) no Hoare annotation was computed. [2020-07-28 17:44:45,096 INFO L268 CegarLoopResult]: For program point L232(lines 232 235) no Hoare annotation was computed. [2020-07-28 17:44:45,096 INFO L268 CegarLoopResult]: For program point L199-1(lines 199 203) no Hoare annotation was computed. [2020-07-28 17:44:45,096 INFO L264 CegarLoopResult]: At program point L199-2(lines 199 203) the Hoare annotation is: false [2020-07-28 17:44:45,096 INFO L268 CegarLoopResult]: For program point L100(lines 100 104) no Hoare annotation was computed. [2020-07-28 17:44:45,096 INFO L268 CegarLoopResult]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2020-07-28 17:44:45,096 INFO L268 CegarLoopResult]: For program point L100-2(lines 100 104) no Hoare annotation was computed. [2020-07-28 17:44:45,096 INFO L264 CegarLoopResult]: At program point L67-2(lines 67 71) the Hoare annotation is: false [2020-07-28 17:44:45,096 INFO L268 CegarLoopResult]: For program point L67-3(lines 67 71) no Hoare annotation was computed. [2020-07-28 17:44:45,096 INFO L268 CegarLoopResult]: For program point L84-2(lines 84 85) no Hoare annotation was computed. [2020-07-28 17:44:45,097 INFO L264 CegarLoopResult]: At program point L84-3(lines 84 85) the Hoare annotation is: false [2020-07-28 17:44:45,097 INFO L268 CegarLoopResult]: For program point L84-4(lines 84 85) no Hoare annotation was computed. [2020-07-28 17:44:45,097 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-07-28 17:44:45,097 INFO L268 CegarLoopResult]: For program point L167(lines 167 182) no Hoare annotation was computed. [2020-07-28 17:44:45,097 INFO L268 CegarLoopResult]: For program point L167-1(lines 167 182) no Hoare annotation was computed. [2020-07-28 17:44:45,101 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:44:45,101 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:44:45,101 WARN L170 areAnnotationChecker]: L156-1 has no Hoare annotation [2020-07-28 17:44:45,101 WARN L170 areAnnotationChecker]: L156-3 has no Hoare annotation [2020-07-28 17:44:45,101 WARN L170 areAnnotationChecker]: L156-1 has no Hoare annotation [2020-07-28 17:44:45,101 WARN L170 areAnnotationChecker]: L156-1 has no Hoare annotation [2020-07-28 17:44:45,101 WARN L170 areAnnotationChecker]: L156-3 has no Hoare annotation [2020-07-28 17:44:45,101 WARN L170 areAnnotationChecker]: L162 has no Hoare annotation [2020-07-28 17:44:45,102 WARN L170 areAnnotationChecker]: L162 has no Hoare annotation [2020-07-28 17:44:45,105 WARN L170 areAnnotationChecker]: L165 has no Hoare annotation [2020-07-28 17:44:45,105 WARN L170 areAnnotationChecker]: L165 has no Hoare annotation [2020-07-28 17:44:45,106 WARN L170 areAnnotationChecker]: L232 has no Hoare annotation [2020-07-28 17:44:45,106 WARN L170 areAnnotationChecker]: L167 has no Hoare annotation [2020-07-28 17:44:45,106 WARN L170 areAnnotationChecker]: L167 has no Hoare annotation [2020-07-28 17:44:45,106 WARN L170 areAnnotationChecker]: L232 has no Hoare annotation [2020-07-28 17:44:45,106 WARN L170 areAnnotationChecker]: L232 has no Hoare annotation [2020-07-28 17:44:45,106 WARN L170 areAnnotationChecker]: L168 has no Hoare annotation [2020-07-28 17:44:45,106 WARN L170 areAnnotationChecker]: L168 has no Hoare annotation [2020-07-28 17:44:45,106 WARN L170 areAnnotationChecker]: L167-1 has no Hoare annotation [2020-07-28 17:44:45,106 WARN L170 areAnnotationChecker]: L233 has no Hoare annotation [2020-07-28 17:44:45,106 WARN L170 areAnnotationChecker]: L233 has no Hoare annotation [2020-07-28 17:44:45,107 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:44:45,107 WARN L170 areAnnotationChecker]: L169 has no Hoare annotation [2020-07-28 17:44:45,107 WARN L170 areAnnotationChecker]: L169 has no Hoare annotation [2020-07-28 17:44:45,107 WARN L170 areAnnotationChecker]: L130-1 has no Hoare annotation [2020-07-28 17:44:45,107 WARN L170 areAnnotationChecker]: L135-1 has no Hoare annotation [2020-07-28 17:44:45,107 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:44:45,107 WARN L170 areAnnotationChecker]: L130-1 has no Hoare annotation [2020-07-28 17:44:45,107 WARN L170 areAnnotationChecker]: L130-1 has no Hoare annotation [2020-07-28 17:44:45,108 WARN L170 areAnnotationChecker]: L135-1 has no Hoare annotation [2020-07-28 17:44:45,108 WARN L170 areAnnotationChecker]: L135-1 has no Hoare annotation [2020-07-28 17:44:45,108 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-28 17:44:45,108 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-28 17:44:45,108 WARN L170 areAnnotationChecker]: L135-2 has no Hoare annotation [2020-07-28 17:44:45,108 WARN L170 areAnnotationChecker]: L67-1 has no Hoare annotation [2020-07-28 17:44:45,108 WARN L170 areAnnotationChecker]: L67-3 has no Hoare annotation [2020-07-28 17:44:45,108 WARN L170 areAnnotationChecker]: L67-1 has no Hoare annotation [2020-07-28 17:44:45,108 WARN L170 areAnnotationChecker]: L67-1 has no Hoare annotation [2020-07-28 17:44:45,109 WARN L170 areAnnotationChecker]: L67-3 has no Hoare annotation [2020-07-28 17:44:45,109 WARN L170 areAnnotationChecker]: L74 has no Hoare annotation [2020-07-28 17:44:45,109 WARN L170 areAnnotationChecker]: L74 has no Hoare annotation [2020-07-28 17:44:45,109 WARN L170 areAnnotationChecker]: L193 has no Hoare annotation [2020-07-28 17:44:45,109 WARN L170 areAnnotationChecker]: L77 has no Hoare annotation [2020-07-28 17:44:45,109 WARN L170 areAnnotationChecker]: L77 has no Hoare annotation [2020-07-28 17:44:45,109 WARN L170 areAnnotationChecker]: L193 has no Hoare annotation [2020-07-28 17:44:45,109 WARN L170 areAnnotationChecker]: L193 has no Hoare annotation [2020-07-28 17:44:45,109 WARN L170 areAnnotationChecker]: L79 has no Hoare annotation [2020-07-28 17:44:45,109 WARN L170 areAnnotationChecker]: L79 has no Hoare annotation [2020-07-28 17:44:45,110 WARN L170 areAnnotationChecker]: L193-2 has no Hoare annotation [2020-07-28 17:44:45,110 WARN L170 areAnnotationChecker]: L193-2 has no Hoare annotation [2020-07-28 17:44:45,110 WARN L170 areAnnotationChecker]: L199-1 has no Hoare annotation [2020-07-28 17:44:45,110 WARN L170 areAnnotationChecker]: L204-1 has no Hoare annotation [2020-07-28 17:44:45,110 WARN L170 areAnnotationChecker]: L83 has no Hoare annotation [2020-07-28 17:44:45,110 WARN L170 areAnnotationChecker]: L83 has no Hoare annotation [2020-07-28 17:44:45,110 WARN L170 areAnnotationChecker]: L199-1 has no Hoare annotation [2020-07-28 17:44:45,110 WARN L170 areAnnotationChecker]: L199-1 has no Hoare annotation [2020-07-28 17:44:45,110 WARN L170 areAnnotationChecker]: L204-1 has no Hoare annotation [2020-07-28 17:44:45,110 WARN L170 areAnnotationChecker]: L204-1 has no Hoare annotation [2020-07-28 17:44:45,110 WARN L170 areAnnotationChecker]: L84-4 has no Hoare annotation [2020-07-28 17:44:45,111 WARN L170 areAnnotationChecker]: L84-4 has no Hoare annotation [2020-07-28 17:44:45,111 WARN L170 areAnnotationChecker]: L84-2 has no Hoare annotation [2020-07-28 17:44:45,111 WARN L170 areAnnotationChecker]: L83-2 has no Hoare annotation [2020-07-28 17:44:45,111 WARN L170 areAnnotationChecker]: L204 has no Hoare annotation [2020-07-28 17:44:45,111 WARN L170 areAnnotationChecker]: L204 has no Hoare annotation [2020-07-28 17:44:45,111 WARN L170 areAnnotationChecker]: L204-2 has no Hoare annotation [2020-07-28 17:44:45,111 WARN L170 areAnnotationChecker]: L84-4 has no Hoare annotation [2020-07-28 17:44:45,111 WARN L170 areAnnotationChecker]: L84-2 has no Hoare annotation [2020-07-28 17:44:45,112 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-28 17:44:45,112 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-28 17:44:45,112 WARN L170 areAnnotationChecker]: L90-2 has no Hoare annotation [2020-07-28 17:44:45,112 WARN L170 areAnnotationChecker]: L98-3 has no Hoare annotation [2020-07-28 17:44:45,112 WARN L170 areAnnotationChecker]: L98-3 has no Hoare annotation [2020-07-28 17:44:45,112 WARN L170 areAnnotationChecker]: L100 has no Hoare annotation [2020-07-28 17:44:45,112 WARN L170 areAnnotationChecker]: L98-3 has no Hoare annotation [2020-07-28 17:44:45,113 WARN L170 areAnnotationChecker]: L98-3 has no Hoare annotation [2020-07-28 17:44:45,113 WARN L170 areAnnotationChecker]: L100 has no Hoare annotation [2020-07-28 17:44:45,113 WARN L170 areAnnotationChecker]: L100 has no Hoare annotation [2020-07-28 17:44:45,113 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation [2020-07-28 17:44:45,113 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation [2020-07-28 17:44:45,113 WARN L170 areAnnotationChecker]: L109 has no Hoare annotation [2020-07-28 17:44:45,113 WARN L170 areAnnotationChecker]: L100-2 has no Hoare annotation [2020-07-28 17:44:45,113 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2020-07-28 17:44:45,114 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2020-07-28 17:44:45,114 WARN L170 areAnnotationChecker]: L121-1 has no Hoare annotation [2020-07-28 17:44:45,114 WARN L170 areAnnotationChecker]: L121-3 has no Hoare annotation [2020-07-28 17:44:45,114 WARN L170 areAnnotationChecker]: L121-1 has no Hoare annotation [2020-07-28 17:44:45,114 WARN L170 areAnnotationChecker]: L121-1 has no Hoare annotation [2020-07-28 17:44:45,114 WARN L170 areAnnotationChecker]: L121-3 has no Hoare annotation [2020-07-28 17:44:45,114 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 17:44:45,120 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,121 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,121 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,121 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,122 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,122 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,122 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,122 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,123 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,123 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,123 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,123 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,123 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,124 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,124 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,124 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,124 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,124 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,125 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,125 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,133 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,133 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,133 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,133 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,133 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,134 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,134 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,134 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,134 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,134 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,135 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,135 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,135 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,135 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,135 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,136 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,141 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,141 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,141 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,141 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,142 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,142 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,142 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,142 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,142 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,143 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,143 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,143 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,147 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,147 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,147 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,147 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,147 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,148 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,148 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,148 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,148 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,148 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,150 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,151 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,151 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,152 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,152 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,153 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:44:45 BoogieIcfgContainer [2020-07-28 17:44:45,162 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:44:45,162 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:44:45,162 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:44:45,163 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:44:45,163 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:44:17" (3/4) ... [2020-07-28 17:44:45,167 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 17:44:45,180 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-07-28 17:44:45,180 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 17:44:45,181 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 17:44:45,211 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ~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]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) [2020-07-28 17:44:45,212 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ~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]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && 1bv32 == \result) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) [2020-07-28 17:44:45,250 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 17:44:45,250 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:44:45,252 INFO L168 Benchmark]: Toolchain (without parser) took 39230.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.8 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -168.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:44:45,252 INFO L168 Benchmark]: CDTParser took 0.28 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 17:44:45,253 INFO L168 Benchmark]: CACSL2BoogieTranslator took 642.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2020-07-28 17:44:45,253 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.90 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 17:44:45,253 INFO L168 Benchmark]: Boogie Preprocessor took 76.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:44:45,254 INFO L168 Benchmark]: RCFGBuilder took 11118.06 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: 60.7 MB). Peak memory consumption was 60.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:44:45,254 INFO L168 Benchmark]: TraceAbstraction took 27205.92 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -92.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:44:45,255 INFO L168 Benchmark]: Witness Printer took 87.62 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 17:44:45,257 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 0.28 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 642.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.90 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 76.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 11118.06 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: 60.7 MB). Peak memory consumption was 60.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27205.92 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -92.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 87.62 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 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[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[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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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[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[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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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[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[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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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[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[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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 233]: 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: 153]: Loop Invariant [2020-07-28 17:44:45,267 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,267 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,267 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,267 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,267 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,268 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,268 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,268 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,269 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,269 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,269 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,269 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,269 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,269 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,270 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,270 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,270 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,272 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,272 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,272 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,273 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,273 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,273 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,273 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,273 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,273 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ~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]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 58]: Loop Invariant [2020-07-28 17:44:45,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,279 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,279 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,279 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,279 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,279 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,279 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,280 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,280 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,280 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,280 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,280 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,280 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,281 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,281 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,281 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,282 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,282 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,282 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,285 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:44:45,286 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-07-28 17:44:45,286 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,286 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,286 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,286 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,287 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,287 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,287 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,287 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,287 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,287 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,288 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,288 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,290 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,291 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,291 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ~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]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && 1bv32 == \result) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 156]: Loop Invariant [2020-07-28 17:44:45,292 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,293 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,293 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,293 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,293 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:44:45,293 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,294 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:44:45,294 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: 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: 26.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 21.2s, 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, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 16 NumberOfFragments, 199 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 30 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 54 ConstructedInterpolants, 5 QuantifiedInterpolants, 2792 SizeOfPredicates, 17 NumberOfNonLiveVariables, 138 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...