./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0662a.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_0662a.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 58979a63ecca2022c503dc4c3dc3df6fd25b6842 ......................................................................................................................................................................................................................................................................................................................................... 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_0662a.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 58979a63ecca2022c503dc4c3dc3df6fd25b6842 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:47:10,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:47:10,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:47:10,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:47:10,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:47:10,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:47:10,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:47:10,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:47:10,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:47:10,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:47:10,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:47:10,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:47:10,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:47:10,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:47:10,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:47:10,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:47:10,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:47:10,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:47:10,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:47:10,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:47:10,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:47:10,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:47:10,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:47:10,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:47:10,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:47:10,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:47:10,121 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:47:10,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:47:10,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:47:10,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:47:10,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:47:10,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:47:10,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:47:10,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:47:10,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:47:10,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:47:10,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:47:10,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:47:10,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:47:10,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:47:10,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:47:10,135 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 17:47:10,171 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:47:10,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:47:10,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:47:10,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:47:10,176 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:47:10,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:47:10,178 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:47:10,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 17:47:10,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:47:10,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:47:10,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:47:10,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:47:10,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:47:10,181 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:47:10,181 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:47:10,181 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:47:10,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:47:10,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:47:10,182 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:47:10,183 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:47:10,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:47:10,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:47:10,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:47:10,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:47:10,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:47:10,185 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 17:47:10,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 17:47:10,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:47:10,186 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:47:10,186 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 -> 58979a63ecca2022c503dc4c3dc3df6fd25b6842 [2020-07-28 17:47:10,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:47:10,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:47:10,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:47:10,521 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:47:10,521 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:47:10,522 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0662a.c [2020-07-28 17:47:10,587 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f5ec5426/3d1b082b27c141fab8f625846ee8af6e/FLAGb115918be [2020-07-28 17:47:11,025 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:47:11,026 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0662a.c [2020-07-28 17:47:11,034 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f5ec5426/3d1b082b27c141fab8f625846ee8af6e/FLAGb115918be [2020-07-28 17:47:11,419 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f5ec5426/3d1b082b27c141fab8f625846ee8af6e [2020-07-28 17:47:11,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:47:11,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:47:11,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:47:11,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:47:11,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:47:11,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:47:11" (1/1) ... [2020-07-28 17:47:11,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67acafc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:47:11, skipping insertion in model container [2020-07-28 17:47:11,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:47:11" (1/1) ... [2020-07-28 17:47:11,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:47:11,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:47:11,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:47:11,904 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:47:11,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:47:11,993 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:47:11,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:47:11 WrapperNode [2020-07-28 17:47:11,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:47:11,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:47:11,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:47:11,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:47:12,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:47:11" (1/1) ... [2020-07-28 17:47:12,020 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:47:11" (1/1) ... [2020-07-28 17:47:12,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:47:12,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:47:12,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:47:12,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:47:12,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:47:11" (1/1) ... [2020-07-28 17:47:12,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:47:11" (1/1) ... [2020-07-28 17:47:12,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:47:11" (1/1) ... [2020-07-28 17:47:12,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:47:11" (1/1) ... [2020-07-28 17:47:12,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:47:11" (1/1) ... [2020-07-28 17:47:12,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:47:11" (1/1) ... [2020-07-28 17:47:12,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:47:11" (1/1) ... [2020-07-28 17:47:12,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:47:12,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:47:12,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:47:12,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:47:12,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:47:11" (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 17:47:12,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:47:12,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-28 17:47:12,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 17:47:12,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-28 17:47:12,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:47:12,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:47:12,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-28 17:47:12,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-07-28 17:47:12,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:47:13,341 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:47:13,342 INFO L295 CfgBuilder]: Removed 40 assume(true) statements. [2020-07-28 17:47:13,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:47:13 BoogieIcfgContainer [2020-07-28 17:47:13,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:47:13,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:47:13,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:47:13,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:47:13,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:47:11" (1/3) ... [2020-07-28 17:47:13,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e802ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:47:13, skipping insertion in model container [2020-07-28 17:47:13,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:47:11" (2/3) ... [2020-07-28 17:47:13,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e802ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:47:13, skipping insertion in model container [2020-07-28 17:47:13,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:47:13" (3/3) ... [2020-07-28 17:47:13,357 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0662a.c [2020-07-28 17:47:13,367 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:47:13,374 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:47:13,387 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:47:13,413 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:47:13,413 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:47:13,413 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:47:13,414 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:47:13,414 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:47:13,414 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:47:13,414 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:47:13,415 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:47:13,435 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2020-07-28 17:47:13,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 17:47:13,442 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:47:13,443 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:47:13,443 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:47:13,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:47:13,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2020-07-28 17:47:13,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:47:13,462 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966964330] [2020-07-28 17:47:13,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:47:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:47:13,640 INFO L280 TraceCheckUtils]: 0: Hoare triple {114#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset := #Ultimate.allocOnStack(16);call write~init~real(0.46364760399, ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset, 4);call write~init~real(0.78539812565, ~#atanhi_atan~0.base, 4 + ~#atanhi_atan~0.offset, 4);call write~init~real(0.98279368877, ~#atanhi_atan~0.base, 8 + ~#atanhi_atan~0.offset, 4);call write~init~real(1.5707962513, ~#atanhi_atan~0.base, 12 + ~#atanhi_atan~0.offset, 4);call ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset := #Ultimate.allocOnStack(16);call write~init~real(5.012158244E-9, ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset, 4);call write~init~real(3.7748947079E-8, ~#atanlo_atan~0.base, 4 + ~#atanlo_atan~0.offset, 4);call write~init~real(3.447321717E-8, ~#atanlo_atan~0.base, 8 + ~#atanlo_atan~0.offset, 4);call write~init~real(7.5497894159E-8, ~#atanlo_atan~0.base, 12 + ~#atanlo_atan~0.offset, 4);call ~#aT_atan~0.base, ~#aT_atan~0.offset := #Ultimate.allocOnStack(44);call write~init~real(0.33333334327, ~#aT_atan~0.base, ~#aT_atan~0.offset, 4);call write~init~real(~someUnaryDOUBLEoperation(0.20000000298), ~#aT_atan~0.base, 4 + ~#aT_atan~0.offset, 4);call write~init~real(0.14285714924, ~#aT_atan~0.base, 8 + ~#aT_atan~0.offset, 4);call write~init~real(~someUnaryDOUBLEoperation(0.11111110449), ~#aT_atan~0.base, 12 + ~#aT_atan~0.offset, 4);call write~init~real(0.090908870101, ~#aT_atan~0.base, 16 + ~#aT_atan~0.offset, 4);call write~init~real(~someUnaryDOUBLEoperation(0.076918758452), ~#aT_atan~0.base, 20 + ~#aT_atan~0.offset, 4);call write~init~real(0.066610731184, ~#aT_atan~0.base, 24 + ~#aT_atan~0.offset, 4);call write~init~real(~someUnaryDOUBLEoperation(0.058335702866), ~#aT_atan~0.base, 28 + ~#aT_atan~0.offset, 4);call write~init~real(0.049768779427, ~#aT_atan~0.base, 32 + ~#aT_atan~0.offset, 4);call write~init~real(~someUnaryDOUBLEoperation(0.036531571299), ~#aT_atan~0.base, 36 + ~#aT_atan~0.offset, 4);call write~init~real(0.016285819933, ~#aT_atan~0.base, 40 + ~#aT_atan~0.offset, 4);~one_atan~0 := 1.0;~huge_atan~0 := 1.0E30;~pi_o_4~0 := 0.78539818525;~pi_o_2~0 := 1.5707963705;~pi~0 := 3.141592741;~tiny_atan2~0 := 1.0E-30;~zero_atan2~0 := 0.0;~pi_lo_atan2~0 := ~someUnaryDOUBLEoperation(8.7422776573E-8); {114#true} is VALID [2020-07-28 17:47:13,640 INFO L280 TraceCheckUtils]: 1: Hoare triple {114#true} havoc main_#res;havoc main_#t~nondet42, main_#t~ret43, main_~res~0, main_~x~0, main_~y~0;main_~x~0 := ~someUnaryFLOAToperation(0.0);main_~y~0 := main_#t~nondet42;havoc main_#t~nondet42; {114#true} is VALID [2020-07-28 17:47:13,641 INFO L280 TraceCheckUtils]: 2: Hoare triple {114#true} assume ~someBinaryFLOATComparisonOperation(main_~y~0, 0.0);__ieee754_atan2f_#in~y, __ieee754_atan2f_#in~x := main_~y~0, main_~x~0;havoc __ieee754_atan2f_#res;havoc __ieee754_atan2f_#t~mem25, __ieee754_atan2f_#t~union26, __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, __ieee754_atan2f_#t~mem27, __ieee754_atan2f_#t~union28, __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, __ieee754_atan2f_#t~ret29, __ieee754_atan2f_#t~switch30, __ieee754_atan2f_#t~ite31, __ieee754_atan2f_#t~switch32, __ieee754_atan2f_#t~switch33, __ieee754_atan2f_#t~ite34, __ieee754_atan2f_#t~ret35, __ieee754_atan2f_#t~ret36, __ieee754_atan2f_#t~switch37, __ieee754_atan2f_#t~mem38, __ieee754_atan2f_#t~union39, __ieee754_atan2f_~#gf_u~4.base, __ieee754_atan2f_~#gf_u~4.offset, __ieee754_atan2f_#t~mem40, __ieee754_atan2f_#t~union41, __ieee754_atan2f_~#sf_u~1.base, __ieee754_atan2f_~#sf_u~1.offset, __ieee754_atan2f_~zh~0, __ieee754_atan2f_~y, __ieee754_atan2f_~x, __ieee754_atan2f_~z~1, __ieee754_atan2f_~k~0, __ieee754_atan2f_~m~0, __ieee754_atan2f_~hx~1, __ieee754_atan2f_~hy~0, __ieee754_atan2f_~ix~2, __ieee754_atan2f_~iy~0;__ieee754_atan2f_~y := __ieee754_atan2f_#in~y;__ieee754_atan2f_~x := __ieee754_atan2f_#in~x;havoc __ieee754_atan2f_~z~1;havoc __ieee754_atan2f_~k~0;havoc __ieee754_atan2f_~m~0;havoc __ieee754_atan2f_~hx~1;havoc __ieee754_atan2f_~hy~0;havoc __ieee754_atan2f_~ix~2;havoc __ieee754_atan2f_~iy~0; {114#true} is VALID [2020-07-28 17:47:13,642 INFO L280 TraceCheckUtils]: 3: Hoare triple {114#true} assume !true; {115#false} is VALID [2020-07-28 17:47:13,643 INFO L280 TraceCheckUtils]: 4: Hoare triple {115#false} __ieee754_atan2f_~ix~2 := ~bitwiseAnd(__ieee754_atan2f_~hx~1, 2147483647); {115#false} is VALID [2020-07-28 17:47:13,643 INFO L280 TraceCheckUtils]: 5: Hoare triple {115#false} assume !true; {115#false} is VALID [2020-07-28 17:47:13,644 INFO L280 TraceCheckUtils]: 6: Hoare triple {115#false} __ieee754_atan2f_~iy~0 := ~bitwiseAnd(__ieee754_atan2f_~hy~0, 2147483647); {115#false} is VALID [2020-07-28 17:47:13,644 INFO L280 TraceCheckUtils]: 7: Hoare triple {115#false} assume __ieee754_atan2f_~ix~2 > 2139095040 || __ieee754_atan2f_~iy~0 > 2139095040;__ieee754_atan2f_#res := ~someBinaryArithmeticFLOAToperation(__ieee754_atan2f_~x, __ieee754_atan2f_~y); {115#false} is VALID [2020-07-28 17:47:13,645 INFO L280 TraceCheckUtils]: 8: Hoare triple {115#false} main_#t~ret43 := __ieee754_atan2f_#res;main_~res~0 := main_#t~ret43;havoc main_#t~ret43; {115#false} is VALID [2020-07-28 17:47:13,645 INFO L280 TraceCheckUtils]: 9: Hoare triple {115#false} assume ~someBinaryFLOATComparisonOperation(main_~res~0, ~someUnaryFLOAToperation(~pi_o_2~0)); {115#false} is VALID [2020-07-28 17:47:13,646 INFO L280 TraceCheckUtils]: 10: Hoare triple {115#false} assume !false; {115#false} is VALID [2020-07-28 17:47:13,648 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 17:47:13,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966964330] [2020-07-28 17:47:13,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:47:13,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 17:47:13,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067864099] [2020-07-28 17:47:13,658 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:47:13,660 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:47:13,664 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:47:13,691 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 17:47:13,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:47:13,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 17:47:13,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:47:13,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:47:13,705 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2020-07-28 17:47:13,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:47:13,929 INFO L93 Difference]: Finished difference Result 219 states and 366 transitions. [2020-07-28 17:47:13,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:47:13,930 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:47:13,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:47:13,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:47:13,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 366 transitions. [2020-07-28 17:47:13,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:47:13,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 366 transitions. [2020-07-28 17:47:13,956 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 366 transitions. [2020-07-28 17:47:14,469 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 366 edges. 366 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:47:14,487 INFO L225 Difference]: With dead ends: 219 [2020-07-28 17:47:14,488 INFO L226 Difference]: Without dead ends: 107 [2020-07-28 17:47:14,492 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 17:47:14,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-07-28 17:47:14,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-07-28 17:47:14,541 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:47:14,542 INFO L82 GeneralOperation]: Start isEquivalent. First operand 107 states. Second operand 107 states. [2020-07-28 17:47:14,542 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand 107 states. [2020-07-28 17:47:14,542 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 107 states. [2020-07-28 17:47:14,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:47:14,551 INFO L93 Difference]: Finished difference Result 107 states and 155 transitions. [2020-07-28 17:47:14,551 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2020-07-28 17:47:14,552 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:47:14,553 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:47:14,553 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand 107 states. [2020-07-28 17:47:14,553 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 107 states. [2020-07-28 17:47:14,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:47:14,561 INFO L93 Difference]: Finished difference Result 107 states and 155 transitions. [2020-07-28 17:47:14,561 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2020-07-28 17:47:14,562 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:47:14,563 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:47:14,563 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:47:14,563 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:47:14,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-07-28 17:47:14,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2020-07-28 17:47:14,572 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2020-07-28 17:47:14,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:47:14,572 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2020-07-28 17:47:14,572 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:47:14,572 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2020-07-28 17:47:14,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 17:47:14,573 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:47:14,573 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:47:14,574 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 17:47:14,574 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:47:14,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:47:14,575 INFO L82 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2020-07-28 17:47:14,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:47:14,575 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889418895] [2020-07-28 17:47:14,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:47:14,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 17:47:14,688 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.(TableauxRow.java:45) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.generateLinVar(LinArSolve.java:275) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.createEquality(LinArSolve.java:1974) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createLAEquality(EqualityProxy.java:83) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createAtom(EqualityProxy.java:165) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.getLiteral(EqualityProxy.java:186) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createCCEquality(EqualityProxy.java:109) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.mbtc(LinArSolve.java:1891) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.computeConflictClause(LinArSolve.java:664) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.checkConsistency(DPLLEngine.java:1010) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.solve(DPLLEngine.java:1157) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol$CheckType$1.check(SMTInterpol.java:117) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSatAssuming(SMTInterpol.java:494) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSat(SMTInterpol.java:446) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:295) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:206) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-28 17:47:14,697 INFO L168 Benchmark]: Toolchain (without parser) took 3269.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 961.6 MB in the beginning and 903.1 MB in the end (delta: 58.5 MB). Peak memory consumption was 199.5 MB. Max. memory is 11.5 GB. [2020-07-28 17:47:14,698 INFO L168 Benchmark]: CDTParser took 0.32 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 17:47:14,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -169.4 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2020-07-28 17:47:14,704 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.85 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2020-07-28 17:47:14,705 INFO L168 Benchmark]: Boogie Preprocessor took 95.32 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 17:47:14,707 INFO L168 Benchmark]: RCFGBuilder took 1135.98 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: 85.2 MB). Peak memory consumption was 85.2 MB. Max. memory is 11.5 GB. [2020-07-28 17:47:14,707 INFO L168 Benchmark]: TraceAbstraction took 1343.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 903.1 MB in the end (delta: 127.7 MB). Peak memory consumption was 127.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:47:14,725 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 0.32 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 565.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -169.4 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 120.85 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 95.32 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. * RCFGBuilder took 1135.98 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: 85.2 MB). Peak memory consumption was 85.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1343.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 903.1 MB in the end (delta: 127.7 MB). Peak memory consumption was 127.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.(TableauxRow.java:45) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 17:47:16,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:47:16,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:47:16,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:47:16,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:47:16,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:47:16,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:47:16,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:47:16,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:47:16,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:47:16,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:47:16,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:47:16,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:47:16,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:47:16,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:47:16,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:47:16,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:47:16,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:47:16,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:47:16,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:47:16,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:47:16,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:47:16,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:47:16,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:47:16,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:47:16,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:47:16,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:47:16,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:47:16,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:47:16,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:47:16,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:47:16,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:47:16,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:47:16,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:47:16,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:47:16,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:47:16,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:47:16,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:47:16,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:47:16,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:47:16,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:47:16,719 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 17:47:16,734 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:47:16,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:47:16,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:47:16,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:47:16,736 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:47:16,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:47:16,737 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:47:16,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:47:16,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:47:16,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:47:16,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:47:16,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:47:16,739 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 17:47:16,739 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 17:47:16,739 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:47:16,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:47:16,740 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:47:16,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:47:16,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:47:16,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:47:16,741 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:47:16,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:47:16,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:47:16,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:47:16,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:47:16,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:47:16,743 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 17:47:16,743 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 17:47:16,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:47:16,743 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:47:16,744 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 17:47:16,744 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 -> 58979a63ecca2022c503dc4c3dc3df6fd25b6842 [2020-07-28 17:47:17,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:47:17,084 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:47:17,088 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:47:17,090 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:47:17,091 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:47:17,091 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0662a.c [2020-07-28 17:47:17,149 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd218d161/4cbbdaa581b34429920e388624b4a43e/FLAGc33dd587b [2020-07-28 17:47:17,580 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:47:17,580 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0662a.c [2020-07-28 17:47:17,592 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd218d161/4cbbdaa581b34429920e388624b4a43e/FLAGc33dd587b [2020-07-28 17:47:17,925 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd218d161/4cbbdaa581b34429920e388624b4a43e [2020-07-28 17:47:17,928 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:47:17,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:47:17,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:47:17,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:47:17,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:47:17,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:47:17" (1/1) ... [2020-07-28 17:47:17,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48d08c10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:47:17, skipping insertion in model container [2020-07-28 17:47:17,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:47:17" (1/1) ... [2020-07-28 17:47:17,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:47:17,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:47:18,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:47:18,239 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:47:18,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:47:18,511 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:47:18,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:47:18 WrapperNode [2020-07-28 17:47:18,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:47:18,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:47:18,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:47:18,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:47:18,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:47:18" (1/1) ... [2020-07-28 17:47:18,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:47:18" (1/1) ... [2020-07-28 17:47:18,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:47:18,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:47:18,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:47:18,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:47:18,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:47:18" (1/1) ... [2020-07-28 17:47:18,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:47:18" (1/1) ... [2020-07-28 17:47:18,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:47:18" (1/1) ... [2020-07-28 17:47:18,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:47:18" (1/1) ... [2020-07-28 17:47:18,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:47:18" (1/1) ... [2020-07-28 17:47:18,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:47:18" (1/1) ... [2020-07-28 17:47:18,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:47:18" (1/1) ... [2020-07-28 17:47:18,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:47:18,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:47:18,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:47:18,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:47:18,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:47:18" (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 17:47:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-07-28 17:47:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:47:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-07-28 17:47:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-07-28 17:47:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:47:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:47:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-07-28 17:47:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-07-28 17:47:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:47:39,933 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:47:39,933 INFO L295 CfgBuilder]: Removed 40 assume(true) statements. [2020-07-28 17:47:39,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:47:39 BoogieIcfgContainer [2020-07-28 17:47:39,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:47:39,945 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:47:39,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:47:39,949 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:47:39,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:47:17" (1/3) ... [2020-07-28 17:47:39,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19aeb98c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:47:39, skipping insertion in model container [2020-07-28 17:47:39,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:47:18" (2/3) ... [2020-07-28 17:47:39,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19aeb98c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:47:39, skipping insertion in model container [2020-07-28 17:47:39,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:47:39" (3/3) ... [2020-07-28 17:47:39,954 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0662a.c [2020-07-28 17:47:39,967 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:47:39,976 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:47:39,992 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:47:40,020 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:47:40,020 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:47:40,021 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:47:40,021 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:47:40,022 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:47:40,022 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:47:40,022 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:47:40,022 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:47:40,042 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2020-07-28 17:47:40,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 17:47:40,049 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:47:40,050 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:47:40,051 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:47:40,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:47:40,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2020-07-28 17:47:40,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:47:40,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1564680732] [2020-07-28 17:47:40,075 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 17:47:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:47:41,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-28 17:47:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:47:41,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:47:41,101 INFO L280 TraceCheckUtils]: 0: Hoare triple {114#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset := #Ultimate.allocOnStack(16bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.46364760399)), ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.78539812565)), ~#atanhi_atan~0.base, ~bvadd32(4bv32, ~#atanhi_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.98279368877)), ~#atanhi_atan~0.base, ~bvadd32(8bv32, ~#atanhi_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707962513)), ~#atanhi_atan~0.base, ~bvadd32(12bv32, ~#atanhi_atan~0.offset), 4bv32);call ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset := #Ultimate.allocOnStack(16bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 5.012158244E-9)), ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.7748947079E-8)), ~#atanlo_atan~0.base, ~bvadd32(4bv32, ~#atanlo_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.447321717E-8)), ~#atanlo_atan~0.base, ~bvadd32(8bv32, ~#atanlo_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.5497894159E-8)), ~#atanlo_atan~0.base, ~bvadd32(12bv32, ~#atanlo_atan~0.offset), 4bv32);call ~#aT_atan~0.base, ~#aT_atan~0.offset := #Ultimate.allocOnStack(44bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.33333334327)), ~#aT_atan~0.base, ~#aT_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.20000000298))), ~#aT_atan~0.base, ~bvadd32(4bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.14285714924)), ~#aT_atan~0.base, ~bvadd32(8bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.11111110449))), ~#aT_atan~0.base, ~bvadd32(12bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.090908870101)), ~#aT_atan~0.base, ~bvadd32(16bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.076918758452))), ~#aT_atan~0.base, ~bvadd32(20bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.066610731184)), ~#aT_atan~0.base, ~bvadd32(24bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.058335702866))), ~#aT_atan~0.base, ~bvadd32(28bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.049768779427)), ~#aT_atan~0.base, ~bvadd32(32bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.036531571299))), ~#aT_atan~0.base, ~bvadd32(36bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.016285819933)), ~#aT_atan~0.base, ~bvadd32(40bv32, ~#aT_atan~0.offset), 4bv32);~one_atan~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~huge_atan~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~pi_o_4~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.78539818525));~pi_o_2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707963705));~pi~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.141592741));~tiny_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~zero_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE());~pi_lo_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 8.7422776573E-8))); {114#true} is VALID [2020-07-28 17:47:41,102 INFO L280 TraceCheckUtils]: 1: Hoare triple {114#true} havoc main_#res;havoc main_#t~nondet42, main_#t~ret43, main_~res~0, main_~x~0, main_~y~0;main_~x~0 := ~fp.neg~FLOAT(~Pluszero~FLOAT());main_~y~0 := main_#t~nondet42;havoc main_#t~nondet42; {114#true} is VALID [2020-07-28 17:47:41,103 INFO L280 TraceCheckUtils]: 2: Hoare triple {114#true} assume ~fp.lt~FLOAT(main_~y~0, ~Pluszero~FLOAT());__ieee754_atan2f_#in~y, __ieee754_atan2f_#in~x := main_~y~0, main_~x~0;havoc __ieee754_atan2f_#res;havoc __ieee754_atan2f_#t~mem25, __ieee754_atan2f_#t~union26, __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, __ieee754_atan2f_#t~mem27, __ieee754_atan2f_#t~union28, __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, __ieee754_atan2f_#t~ret29, __ieee754_atan2f_#t~switch30, __ieee754_atan2f_#t~ite31, __ieee754_atan2f_#t~switch32, __ieee754_atan2f_#t~switch33, __ieee754_atan2f_#t~ite34, __ieee754_atan2f_#t~ret35, __ieee754_atan2f_#t~ret36, __ieee754_atan2f_#t~switch37, __ieee754_atan2f_#t~mem38, __ieee754_atan2f_#t~union39, __ieee754_atan2f_~#gf_u~4.base, __ieee754_atan2f_~#gf_u~4.offset, __ieee754_atan2f_#t~mem40, __ieee754_atan2f_#t~union41, __ieee754_atan2f_~#sf_u~1.base, __ieee754_atan2f_~#sf_u~1.offset, __ieee754_atan2f_~zh~0, __ieee754_atan2f_~y, __ieee754_atan2f_~x, __ieee754_atan2f_~z~1, __ieee754_atan2f_~k~0, __ieee754_atan2f_~m~0, __ieee754_atan2f_~hx~1, __ieee754_atan2f_~hy~0, __ieee754_atan2f_~ix~2, __ieee754_atan2f_~iy~0;__ieee754_atan2f_~y := __ieee754_atan2f_#in~y;__ieee754_atan2f_~x := __ieee754_atan2f_#in~x;havoc __ieee754_atan2f_~z~1;havoc __ieee754_atan2f_~k~0;havoc __ieee754_atan2f_~m~0;havoc __ieee754_atan2f_~hx~1;havoc __ieee754_atan2f_~hy~0;havoc __ieee754_atan2f_~ix~2;havoc __ieee754_atan2f_~iy~0; {114#true} is VALID [2020-07-28 17:47:41,104 INFO L280 TraceCheckUtils]: 3: Hoare triple {114#true} assume !true; {115#false} is VALID [2020-07-28 17:47:41,104 INFO L280 TraceCheckUtils]: 4: Hoare triple {115#false} __ieee754_atan2f_~ix~2 := ~bvand32(2147483647bv32, __ieee754_atan2f_~hx~1); {115#false} is VALID [2020-07-28 17:47:41,104 INFO L280 TraceCheckUtils]: 5: Hoare triple {115#false} assume !true; {115#false} is VALID [2020-07-28 17:47:41,105 INFO L280 TraceCheckUtils]: 6: Hoare triple {115#false} __ieee754_atan2f_~iy~0 := ~bvand32(2147483647bv32, __ieee754_atan2f_~hy~0); {115#false} is VALID [2020-07-28 17:47:41,105 INFO L280 TraceCheckUtils]: 7: Hoare triple {115#false} assume ~bvsgt32(__ieee754_atan2f_~ix~2, 2139095040bv32) || ~bvsgt32(__ieee754_atan2f_~iy~0, 2139095040bv32);__ieee754_atan2f_#res := ~fp.add~FLOAT(currentRoundingMode, __ieee754_atan2f_~x, __ieee754_atan2f_~y); {115#false} is VALID [2020-07-28 17:47:41,106 INFO L280 TraceCheckUtils]: 8: Hoare triple {115#false} main_#t~ret43 := __ieee754_atan2f_#res;main_~res~0 := main_#t~ret43;havoc main_#t~ret43; {115#false} is VALID [2020-07-28 17:47:41,106 INFO L280 TraceCheckUtils]: 9: Hoare triple {115#false} assume !~fp.eq~FLOAT(main_~res~0, ~fp.neg~FLOAT(~pi_o_2~0)); {115#false} is VALID [2020-07-28 17:47:41,106 INFO L280 TraceCheckUtils]: 10: Hoare triple {115#false} assume !false; {115#false} is VALID [2020-07-28 17:47:41,110 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 17:47:41,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:47:41,127 INFO L280 TraceCheckUtils]: 10: Hoare triple {115#false} assume !false; {115#false} is VALID [2020-07-28 17:47:41,128 INFO L280 TraceCheckUtils]: 9: Hoare triple {115#false} assume !~fp.eq~FLOAT(main_~res~0, ~fp.neg~FLOAT(~pi_o_2~0)); {115#false} is VALID [2020-07-28 17:47:41,128 INFO L280 TraceCheckUtils]: 8: Hoare triple {115#false} main_#t~ret43 := __ieee754_atan2f_#res;main_~res~0 := main_#t~ret43;havoc main_#t~ret43; {115#false} is VALID [2020-07-28 17:47:41,128 INFO L280 TraceCheckUtils]: 7: Hoare triple {115#false} assume ~bvsgt32(__ieee754_atan2f_~ix~2, 2139095040bv32) || ~bvsgt32(__ieee754_atan2f_~iy~0, 2139095040bv32);__ieee754_atan2f_#res := ~fp.add~FLOAT(currentRoundingMode, __ieee754_atan2f_~x, __ieee754_atan2f_~y); {115#false} is VALID [2020-07-28 17:47:41,129 INFO L280 TraceCheckUtils]: 6: Hoare triple {115#false} __ieee754_atan2f_~iy~0 := ~bvand32(2147483647bv32, __ieee754_atan2f_~hy~0); {115#false} is VALID [2020-07-28 17:47:41,129 INFO L280 TraceCheckUtils]: 5: Hoare triple {115#false} assume !true; {115#false} is VALID [2020-07-28 17:47:41,129 INFO L280 TraceCheckUtils]: 4: Hoare triple {115#false} __ieee754_atan2f_~ix~2 := ~bvand32(2147483647bv32, __ieee754_atan2f_~hx~1); {115#false} is VALID [2020-07-28 17:47:41,130 INFO L280 TraceCheckUtils]: 3: Hoare triple {114#true} assume !true; {115#false} is VALID [2020-07-28 17:47:41,131 INFO L280 TraceCheckUtils]: 2: Hoare triple {114#true} assume ~fp.lt~FLOAT(main_~y~0, ~Pluszero~FLOAT());__ieee754_atan2f_#in~y, __ieee754_atan2f_#in~x := main_~y~0, main_~x~0;havoc __ieee754_atan2f_#res;havoc __ieee754_atan2f_#t~mem25, __ieee754_atan2f_#t~union26, __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, __ieee754_atan2f_#t~mem27, __ieee754_atan2f_#t~union28, __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, __ieee754_atan2f_#t~ret29, __ieee754_atan2f_#t~switch30, __ieee754_atan2f_#t~ite31, __ieee754_atan2f_#t~switch32, __ieee754_atan2f_#t~switch33, __ieee754_atan2f_#t~ite34, __ieee754_atan2f_#t~ret35, __ieee754_atan2f_#t~ret36, __ieee754_atan2f_#t~switch37, __ieee754_atan2f_#t~mem38, __ieee754_atan2f_#t~union39, __ieee754_atan2f_~#gf_u~4.base, __ieee754_atan2f_~#gf_u~4.offset, __ieee754_atan2f_#t~mem40, __ieee754_atan2f_#t~union41, __ieee754_atan2f_~#sf_u~1.base, __ieee754_atan2f_~#sf_u~1.offset, __ieee754_atan2f_~zh~0, __ieee754_atan2f_~y, __ieee754_atan2f_~x, __ieee754_atan2f_~z~1, __ieee754_atan2f_~k~0, __ieee754_atan2f_~m~0, __ieee754_atan2f_~hx~1, __ieee754_atan2f_~hy~0, __ieee754_atan2f_~ix~2, __ieee754_atan2f_~iy~0;__ieee754_atan2f_~y := __ieee754_atan2f_#in~y;__ieee754_atan2f_~x := __ieee754_atan2f_#in~x;havoc __ieee754_atan2f_~z~1;havoc __ieee754_atan2f_~k~0;havoc __ieee754_atan2f_~m~0;havoc __ieee754_atan2f_~hx~1;havoc __ieee754_atan2f_~hy~0;havoc __ieee754_atan2f_~ix~2;havoc __ieee754_atan2f_~iy~0; {114#true} is VALID [2020-07-28 17:47:41,131 INFO L280 TraceCheckUtils]: 1: Hoare triple {114#true} havoc main_#res;havoc main_#t~nondet42, main_#t~ret43, main_~res~0, main_~x~0, main_~y~0;main_~x~0 := ~fp.neg~FLOAT(~Pluszero~FLOAT());main_~y~0 := main_#t~nondet42;havoc main_#t~nondet42; {114#true} is VALID [2020-07-28 17:47:41,131 INFO L280 TraceCheckUtils]: 0: Hoare triple {114#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset := #Ultimate.allocOnStack(16bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.46364760399)), ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.78539812565)), ~#atanhi_atan~0.base, ~bvadd32(4bv32, ~#atanhi_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.98279368877)), ~#atanhi_atan~0.base, ~bvadd32(8bv32, ~#atanhi_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707962513)), ~#atanhi_atan~0.base, ~bvadd32(12bv32, ~#atanhi_atan~0.offset), 4bv32);call ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset := #Ultimate.allocOnStack(16bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 5.012158244E-9)), ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.7748947079E-8)), ~#atanlo_atan~0.base, ~bvadd32(4bv32, ~#atanlo_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.447321717E-8)), ~#atanlo_atan~0.base, ~bvadd32(8bv32, ~#atanlo_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.5497894159E-8)), ~#atanlo_atan~0.base, ~bvadd32(12bv32, ~#atanlo_atan~0.offset), 4bv32);call ~#aT_atan~0.base, ~#aT_atan~0.offset := #Ultimate.allocOnStack(44bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.33333334327)), ~#aT_atan~0.base, ~#aT_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.20000000298))), ~#aT_atan~0.base, ~bvadd32(4bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.14285714924)), ~#aT_atan~0.base, ~bvadd32(8bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.11111110449))), ~#aT_atan~0.base, ~bvadd32(12bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.090908870101)), ~#aT_atan~0.base, ~bvadd32(16bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.076918758452))), ~#aT_atan~0.base, ~bvadd32(20bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.066610731184)), ~#aT_atan~0.base, ~bvadd32(24bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.058335702866))), ~#aT_atan~0.base, ~bvadd32(28bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.049768779427)), ~#aT_atan~0.base, ~bvadd32(32bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.036531571299))), ~#aT_atan~0.base, ~bvadd32(36bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.016285819933)), ~#aT_atan~0.base, ~bvadd32(40bv32, ~#aT_atan~0.offset), 4bv32);~one_atan~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~huge_atan~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~pi_o_4~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.78539818525));~pi_o_2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707963705));~pi~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.141592741));~tiny_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~zero_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE());~pi_lo_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 8.7422776573E-8))); {114#true} is VALID [2020-07-28 17:47:41,132 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 17:47:41,134 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1564680732] [2020-07-28 17:47:41,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:47:41,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-07-28 17:47:41,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573558159] [2020-07-28 17:47:41,142 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:47:41,145 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:47:41,149 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:47:41,215 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 17:47:41,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:47:41,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:47:41,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:47:41,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:47:41,231 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2020-07-28 17:47:57,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:47:57,661 INFO L93 Difference]: Finished difference Result 219 states and 366 transitions. [2020-07-28 17:47:57,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:47:57,661 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:47:57,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:47:57,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:47:57,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 366 transitions. [2020-07-28 17:47:57,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:47:57,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 366 transitions. [2020-07-28 17:47:57,687 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 366 transitions. [2020-07-28 17:48:04,896 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 366 edges. 366 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:48:04,934 INFO L225 Difference]: With dead ends: 219 [2020-07-28 17:48:04,936 INFO L226 Difference]: Without dead ends: 107 [2020-07-28 17:48:04,943 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 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 17:48:04,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-07-28 17:48:04,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-07-28 17:48:04,999 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:48:05,000 INFO L82 GeneralOperation]: Start isEquivalent. First operand 107 states. Second operand 107 states. [2020-07-28 17:48:05,001 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand 107 states. [2020-07-28 17:48:05,001 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 107 states. [2020-07-28 17:48:05,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:48:05,011 INFO L93 Difference]: Finished difference Result 107 states and 155 transitions. [2020-07-28 17:48:05,011 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2020-07-28 17:48:05,012 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:48:05,012 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:48:05,013 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand 107 states. [2020-07-28 17:48:05,013 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 107 states. [2020-07-28 17:48:05,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:48:05,021 INFO L93 Difference]: Finished difference Result 107 states and 155 transitions. [2020-07-28 17:48:05,022 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2020-07-28 17:48:05,023 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:48:05,023 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:48:05,023 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:48:05,024 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:48:05,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-07-28 17:48:05,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2020-07-28 17:48:05,032 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2020-07-28 17:48:05,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:48:05,033 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2020-07-28 17:48:05,033 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:48:05,033 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2020-07-28 17:48:05,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 17:48:05,034 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:48:05,034 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:48:05,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-28 17:48:05,248 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:48:05,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:48:05,249 INFO L82 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2020-07-28 17:48:05,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:48:05,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1368417079] [2020-07-28 17:48:05,252 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 17:48:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:48:06,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-28 17:48:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:48:06,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:48:08,536 INFO L280 TraceCheckUtils]: 0: Hoare triple {762#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset := #Ultimate.allocOnStack(16bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.46364760399)), ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.78539812565)), ~#atanhi_atan~0.base, ~bvadd32(4bv32, ~#atanhi_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.98279368877)), ~#atanhi_atan~0.base, ~bvadd32(8bv32, ~#atanhi_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707962513)), ~#atanhi_atan~0.base, ~bvadd32(12bv32, ~#atanhi_atan~0.offset), 4bv32);call ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset := #Ultimate.allocOnStack(16bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 5.012158244E-9)), ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.7748947079E-8)), ~#atanlo_atan~0.base, ~bvadd32(4bv32, ~#atanlo_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.447321717E-8)), ~#atanlo_atan~0.base, ~bvadd32(8bv32, ~#atanlo_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.5497894159E-8)), ~#atanlo_atan~0.base, ~bvadd32(12bv32, ~#atanlo_atan~0.offset), 4bv32);call ~#aT_atan~0.base, ~#aT_atan~0.offset := #Ultimate.allocOnStack(44bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.33333334327)), ~#aT_atan~0.base, ~#aT_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.20000000298))), ~#aT_atan~0.base, ~bvadd32(4bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.14285714924)), ~#aT_atan~0.base, ~bvadd32(8bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.11111110449))), ~#aT_atan~0.base, ~bvadd32(12bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.090908870101)), ~#aT_atan~0.base, ~bvadd32(16bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.076918758452))), ~#aT_atan~0.base, ~bvadd32(20bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.066610731184)), ~#aT_atan~0.base, ~bvadd32(24bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.058335702866))), ~#aT_atan~0.base, ~bvadd32(28bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.049768779427)), ~#aT_atan~0.base, ~bvadd32(32bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.036531571299))), ~#aT_atan~0.base, ~bvadd32(36bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.016285819933)), ~#aT_atan~0.base, ~bvadd32(40bv32, ~#aT_atan~0.offset), 4bv32);~one_atan~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~huge_atan~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~pi_o_4~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.78539818525));~pi_o_2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707963705));~pi~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.141592741));~tiny_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~zero_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE());~pi_lo_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 8.7422776573E-8))); {762#true} is VALID [2020-07-28 17:48:08,538 INFO L280 TraceCheckUtils]: 1: Hoare triple {762#true} havoc main_#res;havoc main_#t~nondet42, main_#t~ret43, main_~res~0, main_~x~0, main_~y~0;main_~x~0 := ~fp.neg~FLOAT(~Pluszero~FLOAT());main_~y~0 := main_#t~nondet42;havoc main_#t~nondet42; {770#(= ULTIMATE.start_main_~x~0 (fp.neg (_ +zero 8 24)))} is VALID [2020-07-28 17:48:08,539 INFO L280 TraceCheckUtils]: 2: Hoare triple {770#(= ULTIMATE.start_main_~x~0 (fp.neg (_ +zero 8 24)))} assume ~fp.lt~FLOAT(main_~y~0, ~Pluszero~FLOAT());__ieee754_atan2f_#in~y, __ieee754_atan2f_#in~x := main_~y~0, main_~x~0;havoc __ieee754_atan2f_#res;havoc __ieee754_atan2f_#t~mem25, __ieee754_atan2f_#t~union26, __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, __ieee754_atan2f_#t~mem27, __ieee754_atan2f_#t~union28, __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, __ieee754_atan2f_#t~ret29, __ieee754_atan2f_#t~switch30, __ieee754_atan2f_#t~ite31, __ieee754_atan2f_#t~switch32, __ieee754_atan2f_#t~switch33, __ieee754_atan2f_#t~ite34, __ieee754_atan2f_#t~ret35, __ieee754_atan2f_#t~ret36, __ieee754_atan2f_#t~switch37, __ieee754_atan2f_#t~mem38, __ieee754_atan2f_#t~union39, __ieee754_atan2f_~#gf_u~4.base, __ieee754_atan2f_~#gf_u~4.offset, __ieee754_atan2f_#t~mem40, __ieee754_atan2f_#t~union41, __ieee754_atan2f_~#sf_u~1.base, __ieee754_atan2f_~#sf_u~1.offset, __ieee754_atan2f_~zh~0, __ieee754_atan2f_~y, __ieee754_atan2f_~x, __ieee754_atan2f_~z~1, __ieee754_atan2f_~k~0, __ieee754_atan2f_~m~0, __ieee754_atan2f_~hx~1, __ieee754_atan2f_~hy~0, __ieee754_atan2f_~ix~2, __ieee754_atan2f_~iy~0;__ieee754_atan2f_~y := __ieee754_atan2f_#in~y;__ieee754_atan2f_~x := __ieee754_atan2f_#in~x;havoc __ieee754_atan2f_~z~1;havoc __ieee754_atan2f_~k~0;havoc __ieee754_atan2f_~m~0;havoc __ieee754_atan2f_~hx~1;havoc __ieee754_atan2f_~hy~0;havoc __ieee754_atan2f_~ix~2;havoc __ieee754_atan2f_~iy~0; {774#(and (fp.lt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~x (fp.neg (_ +zero 8 24))))} is VALID [2020-07-28 17:48:08,544 INFO L280 TraceCheckUtils]: 3: Hoare triple {774#(and (fp.lt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~x (fp.neg (_ +zero 8 24))))} call __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_atan2f_~x, __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, 4bv32);call __ieee754_atan2f_#t~mem25 := read~intINTTYPE4(__ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, 4bv32);__ieee754_atan2f_~hx~1 := __ieee754_atan2f_#t~mem25;call write~intFLOATTYPE4(__ieee754_atan2f_#t~union26, __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, 4bv32);havoc __ieee754_atan2f_#t~mem25;havoc __ieee754_atan2f_#t~union26;call ULTIMATE.dealloc(__ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset);havoc __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset; {778#(and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))) (fp.lt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)))} is VALID [2020-07-28 17:48:08,545 INFO L280 TraceCheckUtils]: 4: Hoare triple {778#(and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))) (fp.lt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)))} goto; {778#(and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))) (fp.lt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)))} is VALID [2020-07-28 17:48:08,547 INFO L280 TraceCheckUtils]: 5: Hoare triple {778#(and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))) (fp.lt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)))} __ieee754_atan2f_~ix~2 := ~bvand32(2147483647bv32, __ieee754_atan2f_~hx~1); {785#(and (fp.lt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))) (= ULTIMATE.start___ieee754_atan2f_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1)))))} is VALID [2020-07-28 17:48:08,552 INFO L280 TraceCheckUtils]: 6: Hoare triple {785#(and (fp.lt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))) (= ULTIMATE.start___ieee754_atan2f_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1)))))} call __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_atan2f_~y, __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, 4bv32);call __ieee754_atan2f_#t~mem27 := read~intINTTYPE4(__ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, 4bv32);__ieee754_atan2f_~hy~0 := __ieee754_atan2f_#t~mem27;call write~intFLOATTYPE4(__ieee754_atan2f_#t~union28, __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, 4bv32);havoc __ieee754_atan2f_#t~union28;havoc __ieee754_atan2f_#t~mem27;call ULTIMATE.dealloc(__ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset);havoc __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset; {789#(and (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))) (= ULTIMATE.start___ieee754_atan2f_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1)))))} is VALID [2020-07-28 17:48:08,553 INFO L280 TraceCheckUtils]: 7: Hoare triple {789#(and (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))) (= ULTIMATE.start___ieee754_atan2f_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1)))))} goto; {789#(and (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))) (= ULTIMATE.start___ieee754_atan2f_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1)))))} is VALID [2020-07-28 17:48:08,556 INFO L280 TraceCheckUtils]: 8: Hoare triple {789#(and (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))) (= ULTIMATE.start___ieee754_atan2f_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1)))))} __ieee754_atan2f_~iy~0 := ~bvand32(2147483647bv32, __ieee754_atan2f_~hy~0); {796#(and (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~iy~0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0)))) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))) (= ULTIMATE.start___ieee754_atan2f_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1)))))} is VALID [2020-07-28 17:48:08,573 INFO L280 TraceCheckUtils]: 9: Hoare triple {796#(and (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~iy~0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0)))) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))) (= ULTIMATE.start___ieee754_atan2f_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1)))))} assume ~bvsgt32(__ieee754_atan2f_~ix~2, 2139095040bv32) || ~bvsgt32(__ieee754_atan2f_~iy~0, 2139095040bv32);__ieee754_atan2f_#res := ~fp.add~FLOAT(currentRoundingMode, __ieee754_atan2f_~x, __ieee754_atan2f_~y); {763#false} is VALID [2020-07-28 17:48:08,573 INFO L280 TraceCheckUtils]: 10: Hoare triple {763#false} main_#t~ret43 := __ieee754_atan2f_#res;main_~res~0 := main_#t~ret43;havoc main_#t~ret43; {763#false} is VALID [2020-07-28 17:48:08,573 INFO L280 TraceCheckUtils]: 11: Hoare triple {763#false} assume !~fp.eq~FLOAT(main_~res~0, ~fp.neg~FLOAT(~pi_o_2~0)); {763#false} is VALID [2020-07-28 17:48:08,574 INFO L280 TraceCheckUtils]: 12: Hoare triple {763#false} assume !false; {763#false} is VALID [2020-07-28 17:48:08,578 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 17:48:08,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:48:08,707 INFO L523 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-28 17:48:08,896 INFO L523 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-28 17:48:09,052 INFO L523 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-28 17:48:09,113 INFO L280 TraceCheckUtils]: 12: Hoare triple {763#false} assume !false; {763#false} is VALID [2020-07-28 17:48:09,113 INFO L280 TraceCheckUtils]: 11: Hoare triple {763#false} assume !~fp.eq~FLOAT(main_~res~0, ~fp.neg~FLOAT(~pi_o_2~0)); {763#false} is VALID [2020-07-28 17:48:09,114 INFO L280 TraceCheckUtils]: 10: Hoare triple {763#false} main_#t~ret43 := __ieee754_atan2f_#res;main_~res~0 := main_#t~ret43;havoc main_#t~ret43; {763#false} is VALID [2020-07-28 17:48:09,116 INFO L280 TraceCheckUtils]: 9: Hoare triple {818#(and (not (bvsgt ULTIMATE.start___ieee754_atan2f_~ix~2 (_ bv2139095040 32))) (not (bvsgt ULTIMATE.start___ieee754_atan2f_~iy~0 (_ bv2139095040 32))))} assume ~bvsgt32(__ieee754_atan2f_~ix~2, 2139095040bv32) || ~bvsgt32(__ieee754_atan2f_~iy~0, 2139095040bv32);__ieee754_atan2f_#res := ~fp.add~FLOAT(currentRoundingMode, __ieee754_atan2f_~x, __ieee754_atan2f_~y); {763#false} is VALID [2020-07-28 17:48:09,117 INFO L280 TraceCheckUtils]: 8: Hoare triple {822#(and (not (bvsgt ULTIMATE.start___ieee754_atan2f_~ix~2 (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) (_ bv2139095040 32))))} __ieee754_atan2f_~iy~0 := ~bvand32(2147483647bv32, __ieee754_atan2f_~hy~0); {818#(and (not (bvsgt ULTIMATE.start___ieee754_atan2f_~ix~2 (_ bv2139095040 32))) (not (bvsgt ULTIMATE.start___ieee754_atan2f_~iy~0 (_ bv2139095040 32))))} is VALID [2020-07-28 17:48:09,118 INFO L280 TraceCheckUtils]: 7: Hoare triple {822#(and (not (bvsgt ULTIMATE.start___ieee754_atan2f_~ix~2 (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) (_ bv2139095040 32))))} goto; {822#(and (not (bvsgt ULTIMATE.start___ieee754_atan2f_~ix~2 (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) (_ bv2139095040 32))))} is VALID [2020-07-28 17:48:09,123 INFO L280 TraceCheckUtils]: 6: Hoare triple {829#(and (not (bvsgt ULTIMATE.start___ieee754_atan2f_~ix~2 (_ bv2139095040 32))) (forall ((|v_skolemized_q#valueAsBitvector_19| (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_atan2f_~y (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_19|)))) (not (bvsgt (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_19|) (_ bv2139095040 32))))))} call __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_atan2f_~y, __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, 4bv32);call __ieee754_atan2f_#t~mem27 := read~intINTTYPE4(__ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, 4bv32);__ieee754_atan2f_~hy~0 := __ieee754_atan2f_#t~mem27;call write~intFLOATTYPE4(__ieee754_atan2f_#t~union28, __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, 4bv32);havoc __ieee754_atan2f_#t~union28;havoc __ieee754_atan2f_#t~mem27;call ULTIMATE.dealloc(__ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset);havoc __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset; {822#(and (not (bvsgt ULTIMATE.start___ieee754_atan2f_~ix~2 (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) (_ bv2139095040 32))))} is VALID [2020-07-28 17:48:09,124 INFO L280 TraceCheckUtils]: 5: Hoare triple {833#(and (not (bvsgt (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) (_ bv2139095040 32))) (forall ((|v_skolemized_q#valueAsBitvector_19| (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_atan2f_~y (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_19|)))) (not (bvsgt (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_19|) (_ bv2139095040 32))))))} __ieee754_atan2f_~ix~2 := ~bvand32(2147483647bv32, __ieee754_atan2f_~hx~1); {829#(and (not (bvsgt ULTIMATE.start___ieee754_atan2f_~ix~2 (_ bv2139095040 32))) (forall ((|v_skolemized_q#valueAsBitvector_19| (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_atan2f_~y (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_19|)))) (not (bvsgt (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_19|) (_ bv2139095040 32))))))} is VALID [2020-07-28 17:48:09,125 INFO L280 TraceCheckUtils]: 4: Hoare triple {833#(and (not (bvsgt (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) (_ bv2139095040 32))) (forall ((|v_skolemized_q#valueAsBitvector_19| (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_atan2f_~y (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_19|)))) (not (bvsgt (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_19|) (_ bv2139095040 32))))))} goto; {833#(and (not (bvsgt (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) (_ bv2139095040 32))) (forall ((|v_skolemized_q#valueAsBitvector_19| (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_atan2f_~y (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_19|)))) (not (bvsgt (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_19|) (_ bv2139095040 32))))))} is VALID [2020-07-28 17:48:09,130 INFO L280 TraceCheckUtils]: 3: Hoare triple {840#(and (forall ((v_ULTIMATE.start___ieee754_atan2f_~hx~1_9 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hx~1_9) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hx~1_9) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hx~1_9)) ULTIMATE.start___ieee754_atan2f_~x)) (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hx~1_9) (_ bv2139095040 32))))) (forall ((|v_skolemized_q#valueAsBitvector_19| (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_atan2f_~y (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_19|)))) (not (bvsgt (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_19|) (_ bv2139095040 32))))))} call __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_atan2f_~x, __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, 4bv32);call __ieee754_atan2f_#t~mem25 := read~intINTTYPE4(__ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, 4bv32);__ieee754_atan2f_~hx~1 := __ieee754_atan2f_#t~mem25;call write~intFLOATTYPE4(__ieee754_atan2f_#t~union26, __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, 4bv32);havoc __ieee754_atan2f_#t~mem25;havoc __ieee754_atan2f_#t~union26;call ULTIMATE.dealloc(__ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset);havoc __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset; {833#(and (not (bvsgt (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) (_ bv2139095040 32))) (forall ((|v_skolemized_q#valueAsBitvector_19| (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_atan2f_~y (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_19|)))) (not (bvsgt (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_19|) (_ bv2139095040 32))))))} is VALID [2020-07-28 17:48:09,133 INFO L280 TraceCheckUtils]: 2: Hoare triple {844#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hx~1_9 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hx~1_9) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hx~1_9) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hx~1_9)) ULTIMATE.start_main_~x~0)) (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hx~1_9) (_ bv2139095040 32)))))} assume ~fp.lt~FLOAT(main_~y~0, ~Pluszero~FLOAT());__ieee754_atan2f_#in~y, __ieee754_atan2f_#in~x := main_~y~0, main_~x~0;havoc __ieee754_atan2f_#res;havoc __ieee754_atan2f_#t~mem25, __ieee754_atan2f_#t~union26, __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, __ieee754_atan2f_#t~mem27, __ieee754_atan2f_#t~union28, __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, __ieee754_atan2f_#t~ret29, __ieee754_atan2f_#t~switch30, __ieee754_atan2f_#t~ite31, __ieee754_atan2f_#t~switch32, __ieee754_atan2f_#t~switch33, __ieee754_atan2f_#t~ite34, __ieee754_atan2f_#t~ret35, __ieee754_atan2f_#t~ret36, __ieee754_atan2f_#t~switch37, __ieee754_atan2f_#t~mem38, __ieee754_atan2f_#t~union39, __ieee754_atan2f_~#gf_u~4.base, __ieee754_atan2f_~#gf_u~4.offset, __ieee754_atan2f_#t~mem40, __ieee754_atan2f_#t~union41, __ieee754_atan2f_~#sf_u~1.base, __ieee754_atan2f_~#sf_u~1.offset, __ieee754_atan2f_~zh~0, __ieee754_atan2f_~y, __ieee754_atan2f_~x, __ieee754_atan2f_~z~1, __ieee754_atan2f_~k~0, __ieee754_atan2f_~m~0, __ieee754_atan2f_~hx~1, __ieee754_atan2f_~hy~0, __ieee754_atan2f_~ix~2, __ieee754_atan2f_~iy~0;__ieee754_atan2f_~y := __ieee754_atan2f_#in~y;__ieee754_atan2f_~x := __ieee754_atan2f_#in~x;havoc __ieee754_atan2f_~z~1;havoc __ieee754_atan2f_~k~0;havoc __ieee754_atan2f_~m~0;havoc __ieee754_atan2f_~hx~1;havoc __ieee754_atan2f_~hy~0;havoc __ieee754_atan2f_~ix~2;havoc __ieee754_atan2f_~iy~0; {840#(and (forall ((v_ULTIMATE.start___ieee754_atan2f_~hx~1_9 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hx~1_9) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hx~1_9) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hx~1_9)) ULTIMATE.start___ieee754_atan2f_~x)) (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hx~1_9) (_ bv2139095040 32))))) (forall ((|v_skolemized_q#valueAsBitvector_19| (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_atan2f_~y (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_19|)))) (not (bvsgt (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_19|) (_ bv2139095040 32))))))} is VALID [2020-07-28 17:48:09,135 INFO L280 TraceCheckUtils]: 1: Hoare triple {762#true} havoc main_#res;havoc main_#t~nondet42, main_#t~ret43, main_~res~0, main_~x~0, main_~y~0;main_~x~0 := ~fp.neg~FLOAT(~Pluszero~FLOAT());main_~y~0 := main_#t~nondet42;havoc main_#t~nondet42; {844#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hx~1_9 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hx~1_9) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hx~1_9) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hx~1_9)) ULTIMATE.start_main_~x~0)) (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hx~1_9) (_ bv2139095040 32)))))} is VALID [2020-07-28 17:48:09,135 INFO L280 TraceCheckUtils]: 0: Hoare triple {762#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset := #Ultimate.allocOnStack(16bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.46364760399)), ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.78539812565)), ~#atanhi_atan~0.base, ~bvadd32(4bv32, ~#atanhi_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.98279368877)), ~#atanhi_atan~0.base, ~bvadd32(8bv32, ~#atanhi_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707962513)), ~#atanhi_atan~0.base, ~bvadd32(12bv32, ~#atanhi_atan~0.offset), 4bv32);call ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset := #Ultimate.allocOnStack(16bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 5.012158244E-9)), ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.7748947079E-8)), ~#atanlo_atan~0.base, ~bvadd32(4bv32, ~#atanlo_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.447321717E-8)), ~#atanlo_atan~0.base, ~bvadd32(8bv32, ~#atanlo_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.5497894159E-8)), ~#atanlo_atan~0.base, ~bvadd32(12bv32, ~#atanlo_atan~0.offset), 4bv32);call ~#aT_atan~0.base, ~#aT_atan~0.offset := #Ultimate.allocOnStack(44bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.33333334327)), ~#aT_atan~0.base, ~#aT_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.20000000298))), ~#aT_atan~0.base, ~bvadd32(4bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.14285714924)), ~#aT_atan~0.base, ~bvadd32(8bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.11111110449))), ~#aT_atan~0.base, ~bvadd32(12bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.090908870101)), ~#aT_atan~0.base, ~bvadd32(16bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.076918758452))), ~#aT_atan~0.base, ~bvadd32(20bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.066610731184)), ~#aT_atan~0.base, ~bvadd32(24bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.058335702866))), ~#aT_atan~0.base, ~bvadd32(28bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.049768779427)), ~#aT_atan~0.base, ~bvadd32(32bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.036531571299))), ~#aT_atan~0.base, ~bvadd32(36bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.016285819933)), ~#aT_atan~0.base, ~bvadd32(40bv32, ~#aT_atan~0.offset), 4bv32);~one_atan~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~huge_atan~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~pi_o_4~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.78539818525));~pi_o_2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707963705));~pi~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.141592741));~tiny_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~zero_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE());~pi_lo_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 8.7422776573E-8))); {762#true} is VALID [2020-07-28 17:48:09,136 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 17:48:09,136 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1368417079] [2020-07-28 17:48:09,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:48:09,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2020-07-28 17:48:09,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049010501] [2020-07-28 17:48:09,139 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 13 [2020-07-28 17:48:09,142 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:48:09,142 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2020-07-28 17:48:09,261 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:48:09,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-28 17:48:09,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:48:09,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-28 17:48:09,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=150, Unknown=1, NotChecked=0, Total=182 [2020-07-28 17:48:09,262 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand 14 states. [2020-07-28 17:48:10,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:48:10,328 INFO L93 Difference]: Finished difference Result 114 states and 163 transitions. [2020-07-28 17:48:10,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 17:48:10,329 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 13 [2020-07-28 17:48:10,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:48:10,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-28 17:48:10,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 163 transitions. [2020-07-28 17:48:10,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-28 17:48:10,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 163 transitions. [2020-07-28 17:48:10,335 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 163 transitions. [2020-07-28 17:48:14,008 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 163 edges. 163 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:48:14,010 INFO L225 Difference]: With dead ends: 114 [2020-07-28 17:48:14,010 INFO L226 Difference]: Without dead ends: 19 [2020-07-28 17:48:14,011 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=91, Invalid=250, Unknown=1, NotChecked=0, Total=342 [2020-07-28 17:48:14,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-07-28 17:48:14,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-07-28 17:48:14,027 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:48:14,027 INFO L82 GeneralOperation]: Start isEquivalent. First operand 19 states. Second operand 19 states. [2020-07-28 17:48:14,027 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand 19 states. [2020-07-28 17:48:14,027 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 19 states. [2020-07-28 17:48:14,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:48:14,029 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-07-28 17:48:14,029 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-07-28 17:48:14,030 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:48:14,030 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:48:14,030 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand 19 states. [2020-07-28 17:48:14,030 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 19 states. [2020-07-28 17:48:14,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:48:14,032 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-07-28 17:48:14,032 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-07-28 17:48:14,032 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:48:14,033 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:48:14,033 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:48:14,033 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:48:14,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-07-28 17:48:14,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2020-07-28 17:48:14,035 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 13 [2020-07-28 17:48:14,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:48:14,035 INFO L479 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2020-07-28 17:48:14,035 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-28 17:48:14,035 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-07-28 17:48:14,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 17:48:14,036 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:48:14,036 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:48:14,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-07-28 17:48:14,237 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:48:14,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:48:14,238 INFO L82 PathProgramCache]: Analyzing trace with hash -627671495, now seen corresponding path program 1 times [2020-07-28 17:48:14,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:48:14,239 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1679866879] [2020-07-28 17:48:14,239 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 17:48:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:48:15,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-28 17:48:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:48:15,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:48:15,441 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-07-28 17:48:15,624 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-07-28 17:48:15,793 INFO L280 TraceCheckUtils]: 0: Hoare triple {1049#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset := #Ultimate.allocOnStack(16bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.46364760399)), ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.78539812565)), ~#atanhi_atan~0.base, ~bvadd32(4bv32, ~#atanhi_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.98279368877)), ~#atanhi_atan~0.base, ~bvadd32(8bv32, ~#atanhi_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707962513)), ~#atanhi_atan~0.base, ~bvadd32(12bv32, ~#atanhi_atan~0.offset), 4bv32);call ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset := #Ultimate.allocOnStack(16bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 5.012158244E-9)), ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.7748947079E-8)), ~#atanlo_atan~0.base, ~bvadd32(4bv32, ~#atanlo_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.447321717E-8)), ~#atanlo_atan~0.base, ~bvadd32(8bv32, ~#atanlo_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.5497894159E-8)), ~#atanlo_atan~0.base, ~bvadd32(12bv32, ~#atanlo_atan~0.offset), 4bv32);call ~#aT_atan~0.base, ~#aT_atan~0.offset := #Ultimate.allocOnStack(44bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.33333334327)), ~#aT_atan~0.base, ~#aT_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.20000000298))), ~#aT_atan~0.base, ~bvadd32(4bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.14285714924)), ~#aT_atan~0.base, ~bvadd32(8bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.11111110449))), ~#aT_atan~0.base, ~bvadd32(12bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.090908870101)), ~#aT_atan~0.base, ~bvadd32(16bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.076918758452))), ~#aT_atan~0.base, ~bvadd32(20bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.066610731184)), ~#aT_atan~0.base, ~bvadd32(24bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.058335702866))), ~#aT_atan~0.base, ~bvadd32(28bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.049768779427)), ~#aT_atan~0.base, ~bvadd32(32bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.036531571299))), ~#aT_atan~0.base, ~bvadd32(36bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.016285819933)), ~#aT_atan~0.base, ~bvadd32(40bv32, ~#aT_atan~0.offset), 4bv32);~one_atan~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~huge_atan~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~pi_o_4~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.78539818525));~pi_o_2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707963705));~pi~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.141592741));~tiny_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~zero_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE());~pi_lo_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 8.7422776573E-8))); {1054#(and (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:48:15,796 INFO L280 TraceCheckUtils]: 1: Hoare triple {1054#(and (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= currentRoundingMode roundNearestTiesToEven))} havoc main_#res;havoc main_#t~nondet42, main_#t~ret43, main_~res~0, main_~x~0, main_~y~0;main_~x~0 := ~fp.neg~FLOAT(~Pluszero~FLOAT());main_~y~0 := main_#t~nondet42;havoc main_#t~nondet42; {1054#(and (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:48:15,797 INFO L280 TraceCheckUtils]: 2: Hoare triple {1054#(and (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= currentRoundingMode roundNearestTiesToEven))} assume ~fp.lt~FLOAT(main_~y~0, ~Pluszero~FLOAT());__ieee754_atan2f_#in~y, __ieee754_atan2f_#in~x := main_~y~0, main_~x~0;havoc __ieee754_atan2f_#res;havoc __ieee754_atan2f_#t~mem25, __ieee754_atan2f_#t~union26, __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, __ieee754_atan2f_#t~mem27, __ieee754_atan2f_#t~union28, __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, __ieee754_atan2f_#t~ret29, __ieee754_atan2f_#t~switch30, __ieee754_atan2f_#t~ite31, __ieee754_atan2f_#t~switch32, __ieee754_atan2f_#t~switch33, __ieee754_atan2f_#t~ite34, __ieee754_atan2f_#t~ret35, __ieee754_atan2f_#t~ret36, __ieee754_atan2f_#t~switch37, __ieee754_atan2f_#t~mem38, __ieee754_atan2f_#t~union39, __ieee754_atan2f_~#gf_u~4.base, __ieee754_atan2f_~#gf_u~4.offset, __ieee754_atan2f_#t~mem40, __ieee754_atan2f_#t~union41, __ieee754_atan2f_~#sf_u~1.base, __ieee754_atan2f_~#sf_u~1.offset, __ieee754_atan2f_~zh~0, __ieee754_atan2f_~y, __ieee754_atan2f_~x, __ieee754_atan2f_~z~1, __ieee754_atan2f_~k~0, __ieee754_atan2f_~m~0, __ieee754_atan2f_~hx~1, __ieee754_atan2f_~hy~0, __ieee754_atan2f_~ix~2, __ieee754_atan2f_~iy~0;__ieee754_atan2f_~y := __ieee754_atan2f_#in~y;__ieee754_atan2f_~x := __ieee754_atan2f_#in~x;havoc __ieee754_atan2f_~z~1;havoc __ieee754_atan2f_~k~0;havoc __ieee754_atan2f_~m~0;havoc __ieee754_atan2f_~hx~1;havoc __ieee754_atan2f_~hy~0;havoc __ieee754_atan2f_~ix~2;havoc __ieee754_atan2f_~iy~0; {1054#(and (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:48:15,798 INFO L280 TraceCheckUtils]: 3: Hoare triple {1054#(and (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= currentRoundingMode roundNearestTiesToEven))} call __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_atan2f_~x, __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, 4bv32);call __ieee754_atan2f_#t~mem25 := read~intINTTYPE4(__ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, 4bv32);__ieee754_atan2f_~hx~1 := __ieee754_atan2f_#t~mem25;call write~intFLOATTYPE4(__ieee754_atan2f_#t~union26, __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, 4bv32);havoc __ieee754_atan2f_#t~mem25;havoc __ieee754_atan2f_#t~union26;call ULTIMATE.dealloc(__ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset);havoc __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset; {1054#(and (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:48:15,802 INFO L280 TraceCheckUtils]: 4: Hoare triple {1054#(and (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= currentRoundingMode roundNearestTiesToEven))} goto; {1054#(and (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:48:15,803 INFO L280 TraceCheckUtils]: 5: Hoare triple {1054#(and (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= currentRoundingMode roundNearestTiesToEven))} __ieee754_atan2f_~ix~2 := ~bvand32(2147483647bv32, __ieee754_atan2f_~hx~1); {1054#(and (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:48:15,804 INFO L280 TraceCheckUtils]: 6: Hoare triple {1054#(and (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= currentRoundingMode roundNearestTiesToEven))} call __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_atan2f_~y, __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, 4bv32);call __ieee754_atan2f_#t~mem27 := read~intINTTYPE4(__ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, 4bv32);__ieee754_atan2f_~hy~0 := __ieee754_atan2f_#t~mem27;call write~intFLOATTYPE4(__ieee754_atan2f_#t~union28, __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, 4bv32);havoc __ieee754_atan2f_#t~union28;havoc __ieee754_atan2f_#t~mem27;call ULTIMATE.dealloc(__ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset);havoc __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset; {1054#(and (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:48:15,805 INFO L280 TraceCheckUtils]: 7: Hoare triple {1054#(and (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= currentRoundingMode roundNearestTiesToEven))} goto; {1054#(and (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:48:15,806 INFO L280 TraceCheckUtils]: 8: Hoare triple {1054#(and (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= currentRoundingMode roundNearestTiesToEven))} __ieee754_atan2f_~iy~0 := ~bvand32(2147483647bv32, __ieee754_atan2f_~hy~0); {1054#(and (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:48:15,808 INFO L280 TraceCheckUtils]: 9: Hoare triple {1054#(and (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= currentRoundingMode roundNearestTiesToEven))} assume !(~bvsgt32(__ieee754_atan2f_~ix~2, 2139095040bv32) || ~bvsgt32(__ieee754_atan2f_~iy~0, 2139095040bv32)); {1054#(and (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:48:15,809 INFO L280 TraceCheckUtils]: 10: Hoare triple {1054#(and (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= currentRoundingMode roundNearestTiesToEven))} assume !(1065353216bv32 == __ieee754_atan2f_~hx~1);__ieee754_atan2f_~m~0 := ~bvor32(~bvand32(1bv32, ~bvashr32(__ieee754_atan2f_~hy~0, 31bv32)), ~bvand32(2bv32, ~bvashr32(__ieee754_atan2f_~hx~1, 30bv32))); {1054#(and (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:48:15,811 INFO L280 TraceCheckUtils]: 11: Hoare triple {1054#(and (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= currentRoundingMode roundNearestTiesToEven))} assume !(0bv32 == __ieee754_atan2f_~iy~0); {1054#(and (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:48:15,812 INFO L280 TraceCheckUtils]: 12: Hoare triple {1054#(and (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= currentRoundingMode roundNearestTiesToEven))} assume 0bv32 == __ieee754_atan2f_~ix~2; {1054#(and (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:48:15,815 INFO L280 TraceCheckUtils]: 13: Hoare triple {1054#(and (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= currentRoundingMode roundNearestTiesToEven))} assume ~bvslt32(__ieee754_atan2f_~hy~0, 0bv32);__ieee754_atan2f_#t~ite31 := ~fp.sub~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~pi_o_2~0), ~tiny_atan2~0); {1094#(and (= |ULTIMATE.start___ieee754_atan2f_#t~ite31| (fp.sub roundNearestTiesToEven (fp.neg ~pi_o_2~0) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0))))) (= ~pi_o_2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 2000000000.0)))))} is VALID [2020-07-28 17:48:15,816 INFO L280 TraceCheckUtils]: 14: Hoare triple {1094#(and (= |ULTIMATE.start___ieee754_atan2f_#t~ite31| (fp.sub roundNearestTiesToEven (fp.neg ~pi_o_2~0) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0))))) (= ~pi_o_2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 2000000000.0)))))} __ieee754_atan2f_#res := __ieee754_atan2f_#t~ite31;havoc __ieee754_atan2f_#t~ite31; {1098#(and (= (fp.sub roundNearestTiesToEven (fp.neg ~pi_o_2~0) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) |ULTIMATE.start___ieee754_atan2f_#res|) (= ~pi_o_2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 2000000000.0)))))} is VALID [2020-07-28 17:48:15,817 INFO L280 TraceCheckUtils]: 15: Hoare triple {1098#(and (= (fp.sub roundNearestTiesToEven (fp.neg ~pi_o_2~0) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) |ULTIMATE.start___ieee754_atan2f_#res|) (= ~pi_o_2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 2000000000.0)))))} main_#t~ret43 := __ieee754_atan2f_#res;main_~res~0 := main_#t~ret43;havoc main_#t~ret43; {1102#(and (= ULTIMATE.start_main_~res~0 (fp.sub roundNearestTiesToEven (fp.neg ~pi_o_2~0) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0))))) (= ~pi_o_2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 2000000000.0)))))} is VALID [2020-07-28 17:48:15,818 INFO L280 TraceCheckUtils]: 16: Hoare triple {1102#(and (= ULTIMATE.start_main_~res~0 (fp.sub roundNearestTiesToEven (fp.neg ~pi_o_2~0) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0))))) (= ~pi_o_2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 2000000000.0)))))} assume !~fp.eq~FLOAT(main_~res~0, ~fp.neg~FLOAT(~pi_o_2~0)); {1050#false} is VALID [2020-07-28 17:48:15,819 INFO L280 TraceCheckUtils]: 17: Hoare triple {1050#false} assume !false; {1050#false} is VALID [2020-07-28 17:48:15,821 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 17:48:15,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:48:17,326 INFO L280 TraceCheckUtils]: 17: Hoare triple {1050#false} assume !false; {1050#false} is VALID [2020-07-28 17:48:17,334 INFO L280 TraceCheckUtils]: 16: Hoare triple {1112#(fp.eq ULTIMATE.start_main_~res~0 (fp.neg ~pi_o_2~0))} assume !~fp.eq~FLOAT(main_~res~0, ~fp.neg~FLOAT(~pi_o_2~0)); {1050#false} is VALID [2020-07-28 17:48:17,335 INFO L280 TraceCheckUtils]: 15: Hoare triple {1116#(fp.eq |ULTIMATE.start___ieee754_atan2f_#res| (fp.neg ~pi_o_2~0))} main_#t~ret43 := __ieee754_atan2f_#res;main_~res~0 := main_#t~ret43;havoc main_#t~ret43; {1112#(fp.eq ULTIMATE.start_main_~res~0 (fp.neg ~pi_o_2~0))} is VALID [2020-07-28 17:48:17,336 INFO L280 TraceCheckUtils]: 14: Hoare triple {1120#(fp.eq |ULTIMATE.start___ieee754_atan2f_#t~ite31| (fp.neg ~pi_o_2~0))} __ieee754_atan2f_#res := __ieee754_atan2f_#t~ite31;havoc __ieee754_atan2f_#t~ite31; {1116#(fp.eq |ULTIMATE.start___ieee754_atan2f_#res| (fp.neg ~pi_o_2~0))} is VALID [2020-07-28 17:48:17,336 INFO L280 TraceCheckUtils]: 13: Hoare triple {1124#(fp.eq (fp.sub currentRoundingMode (fp.neg ~pi_o_2~0) ~tiny_atan2~0) (fp.neg ~pi_o_2~0))} assume ~bvslt32(__ieee754_atan2f_~hy~0, 0bv32);__ieee754_atan2f_#t~ite31 := ~fp.sub~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~pi_o_2~0), ~tiny_atan2~0); {1120#(fp.eq |ULTIMATE.start___ieee754_atan2f_#t~ite31| (fp.neg ~pi_o_2~0))} is VALID [2020-07-28 17:48:17,337 INFO L280 TraceCheckUtils]: 12: Hoare triple {1124#(fp.eq (fp.sub currentRoundingMode (fp.neg ~pi_o_2~0) ~tiny_atan2~0) (fp.neg ~pi_o_2~0))} assume 0bv32 == __ieee754_atan2f_~ix~2; {1124#(fp.eq (fp.sub currentRoundingMode (fp.neg ~pi_o_2~0) ~tiny_atan2~0) (fp.neg ~pi_o_2~0))} is VALID [2020-07-28 17:48:17,337 INFO L280 TraceCheckUtils]: 11: Hoare triple {1124#(fp.eq (fp.sub currentRoundingMode (fp.neg ~pi_o_2~0) ~tiny_atan2~0) (fp.neg ~pi_o_2~0))} assume !(0bv32 == __ieee754_atan2f_~iy~0); {1124#(fp.eq (fp.sub currentRoundingMode (fp.neg ~pi_o_2~0) ~tiny_atan2~0) (fp.neg ~pi_o_2~0))} is VALID [2020-07-28 17:48:17,338 INFO L280 TraceCheckUtils]: 10: Hoare triple {1124#(fp.eq (fp.sub currentRoundingMode (fp.neg ~pi_o_2~0) ~tiny_atan2~0) (fp.neg ~pi_o_2~0))} assume !(1065353216bv32 == __ieee754_atan2f_~hx~1);__ieee754_atan2f_~m~0 := ~bvor32(~bvand32(1bv32, ~bvashr32(__ieee754_atan2f_~hy~0, 31bv32)), ~bvand32(2bv32, ~bvashr32(__ieee754_atan2f_~hx~1, 30bv32))); {1124#(fp.eq (fp.sub currentRoundingMode (fp.neg ~pi_o_2~0) ~tiny_atan2~0) (fp.neg ~pi_o_2~0))} is VALID [2020-07-28 17:48:17,338 INFO L280 TraceCheckUtils]: 9: Hoare triple {1124#(fp.eq (fp.sub currentRoundingMode (fp.neg ~pi_o_2~0) ~tiny_atan2~0) (fp.neg ~pi_o_2~0))} assume !(~bvsgt32(__ieee754_atan2f_~ix~2, 2139095040bv32) || ~bvsgt32(__ieee754_atan2f_~iy~0, 2139095040bv32)); {1124#(fp.eq (fp.sub currentRoundingMode (fp.neg ~pi_o_2~0) ~tiny_atan2~0) (fp.neg ~pi_o_2~0))} is VALID [2020-07-28 17:48:17,339 INFO L280 TraceCheckUtils]: 8: Hoare triple {1124#(fp.eq (fp.sub currentRoundingMode (fp.neg ~pi_o_2~0) ~tiny_atan2~0) (fp.neg ~pi_o_2~0))} __ieee754_atan2f_~iy~0 := ~bvand32(2147483647bv32, __ieee754_atan2f_~hy~0); {1124#(fp.eq (fp.sub currentRoundingMode (fp.neg ~pi_o_2~0) ~tiny_atan2~0) (fp.neg ~pi_o_2~0))} is VALID [2020-07-28 17:48:17,339 INFO L280 TraceCheckUtils]: 7: Hoare triple {1124#(fp.eq (fp.sub currentRoundingMode (fp.neg ~pi_o_2~0) ~tiny_atan2~0) (fp.neg ~pi_o_2~0))} goto; {1124#(fp.eq (fp.sub currentRoundingMode (fp.neg ~pi_o_2~0) ~tiny_atan2~0) (fp.neg ~pi_o_2~0))} is VALID [2020-07-28 17:48:17,340 INFO L280 TraceCheckUtils]: 6: Hoare triple {1124#(fp.eq (fp.sub currentRoundingMode (fp.neg ~pi_o_2~0) ~tiny_atan2~0) (fp.neg ~pi_o_2~0))} call __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_atan2f_~y, __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, 4bv32);call __ieee754_atan2f_#t~mem27 := read~intINTTYPE4(__ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, 4bv32);__ieee754_atan2f_~hy~0 := __ieee754_atan2f_#t~mem27;call write~intFLOATTYPE4(__ieee754_atan2f_#t~union28, __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, 4bv32);havoc __ieee754_atan2f_#t~union28;havoc __ieee754_atan2f_#t~mem27;call ULTIMATE.dealloc(__ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset);havoc __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset; {1124#(fp.eq (fp.sub currentRoundingMode (fp.neg ~pi_o_2~0) ~tiny_atan2~0) (fp.neg ~pi_o_2~0))} is VALID [2020-07-28 17:48:17,341 INFO L280 TraceCheckUtils]: 5: Hoare triple {1124#(fp.eq (fp.sub currentRoundingMode (fp.neg ~pi_o_2~0) ~tiny_atan2~0) (fp.neg ~pi_o_2~0))} __ieee754_atan2f_~ix~2 := ~bvand32(2147483647bv32, __ieee754_atan2f_~hx~1); {1124#(fp.eq (fp.sub currentRoundingMode (fp.neg ~pi_o_2~0) ~tiny_atan2~0) (fp.neg ~pi_o_2~0))} is VALID [2020-07-28 17:48:17,341 INFO L280 TraceCheckUtils]: 4: Hoare triple {1124#(fp.eq (fp.sub currentRoundingMode (fp.neg ~pi_o_2~0) ~tiny_atan2~0) (fp.neg ~pi_o_2~0))} goto; {1124#(fp.eq (fp.sub currentRoundingMode (fp.neg ~pi_o_2~0) ~tiny_atan2~0) (fp.neg ~pi_o_2~0))} is VALID [2020-07-28 17:48:17,342 INFO L280 TraceCheckUtils]: 3: Hoare triple {1124#(fp.eq (fp.sub currentRoundingMode (fp.neg ~pi_o_2~0) ~tiny_atan2~0) (fp.neg ~pi_o_2~0))} call __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_atan2f_~x, __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, 4bv32);call __ieee754_atan2f_#t~mem25 := read~intINTTYPE4(__ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, 4bv32);__ieee754_atan2f_~hx~1 := __ieee754_atan2f_#t~mem25;call write~intFLOATTYPE4(__ieee754_atan2f_#t~union26, __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, 4bv32);havoc __ieee754_atan2f_#t~mem25;havoc __ieee754_atan2f_#t~union26;call ULTIMATE.dealloc(__ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset);havoc __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset; {1124#(fp.eq (fp.sub currentRoundingMode (fp.neg ~pi_o_2~0) ~tiny_atan2~0) (fp.neg ~pi_o_2~0))} is VALID [2020-07-28 17:48:17,343 INFO L280 TraceCheckUtils]: 2: Hoare triple {1124#(fp.eq (fp.sub currentRoundingMode (fp.neg ~pi_o_2~0) ~tiny_atan2~0) (fp.neg ~pi_o_2~0))} assume ~fp.lt~FLOAT(main_~y~0, ~Pluszero~FLOAT());__ieee754_atan2f_#in~y, __ieee754_atan2f_#in~x := main_~y~0, main_~x~0;havoc __ieee754_atan2f_#res;havoc __ieee754_atan2f_#t~mem25, __ieee754_atan2f_#t~union26, __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, __ieee754_atan2f_#t~mem27, __ieee754_atan2f_#t~union28, __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, __ieee754_atan2f_#t~ret29, __ieee754_atan2f_#t~switch30, __ieee754_atan2f_#t~ite31, __ieee754_atan2f_#t~switch32, __ieee754_atan2f_#t~switch33, __ieee754_atan2f_#t~ite34, __ieee754_atan2f_#t~ret35, __ieee754_atan2f_#t~ret36, __ieee754_atan2f_#t~switch37, __ieee754_atan2f_#t~mem38, __ieee754_atan2f_#t~union39, __ieee754_atan2f_~#gf_u~4.base, __ieee754_atan2f_~#gf_u~4.offset, __ieee754_atan2f_#t~mem40, __ieee754_atan2f_#t~union41, __ieee754_atan2f_~#sf_u~1.base, __ieee754_atan2f_~#sf_u~1.offset, __ieee754_atan2f_~zh~0, __ieee754_atan2f_~y, __ieee754_atan2f_~x, __ieee754_atan2f_~z~1, __ieee754_atan2f_~k~0, __ieee754_atan2f_~m~0, __ieee754_atan2f_~hx~1, __ieee754_atan2f_~hy~0, __ieee754_atan2f_~ix~2, __ieee754_atan2f_~iy~0;__ieee754_atan2f_~y := __ieee754_atan2f_#in~y;__ieee754_atan2f_~x := __ieee754_atan2f_#in~x;havoc __ieee754_atan2f_~z~1;havoc __ieee754_atan2f_~k~0;havoc __ieee754_atan2f_~m~0;havoc __ieee754_atan2f_~hx~1;havoc __ieee754_atan2f_~hy~0;havoc __ieee754_atan2f_~ix~2;havoc __ieee754_atan2f_~iy~0; {1124#(fp.eq (fp.sub currentRoundingMode (fp.neg ~pi_o_2~0) ~tiny_atan2~0) (fp.neg ~pi_o_2~0))} is VALID [2020-07-28 17:48:17,344 INFO L280 TraceCheckUtils]: 1: Hoare triple {1124#(fp.eq (fp.sub currentRoundingMode (fp.neg ~pi_o_2~0) ~tiny_atan2~0) (fp.neg ~pi_o_2~0))} havoc main_#res;havoc main_#t~nondet42, main_#t~ret43, main_~res~0, main_~x~0, main_~y~0;main_~x~0 := ~fp.neg~FLOAT(~Pluszero~FLOAT());main_~y~0 := main_#t~nondet42;havoc main_#t~nondet42; {1124#(fp.eq (fp.sub currentRoundingMode (fp.neg ~pi_o_2~0) ~tiny_atan2~0) (fp.neg ~pi_o_2~0))} is VALID [2020-07-28 17:48:17,349 INFO L280 TraceCheckUtils]: 0: Hoare triple {1049#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset := #Ultimate.allocOnStack(16bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.46364760399)), ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.78539812565)), ~#atanhi_atan~0.base, ~bvadd32(4bv32, ~#atanhi_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.98279368877)), ~#atanhi_atan~0.base, ~bvadd32(8bv32, ~#atanhi_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707962513)), ~#atanhi_atan~0.base, ~bvadd32(12bv32, ~#atanhi_atan~0.offset), 4bv32);call ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset := #Ultimate.allocOnStack(16bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 5.012158244E-9)), ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.7748947079E-8)), ~#atanlo_atan~0.base, ~bvadd32(4bv32, ~#atanlo_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.447321717E-8)), ~#atanlo_atan~0.base, ~bvadd32(8bv32, ~#atanlo_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.5497894159E-8)), ~#atanlo_atan~0.base, ~bvadd32(12bv32, ~#atanlo_atan~0.offset), 4bv32);call ~#aT_atan~0.base, ~#aT_atan~0.offset := #Ultimate.allocOnStack(44bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.33333334327)), ~#aT_atan~0.base, ~#aT_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.20000000298))), ~#aT_atan~0.base, ~bvadd32(4bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.14285714924)), ~#aT_atan~0.base, ~bvadd32(8bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.11111110449))), ~#aT_atan~0.base, ~bvadd32(12bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.090908870101)), ~#aT_atan~0.base, ~bvadd32(16bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.076918758452))), ~#aT_atan~0.base, ~bvadd32(20bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.066610731184)), ~#aT_atan~0.base, ~bvadd32(24bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.058335702866))), ~#aT_atan~0.base, ~bvadd32(28bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.049768779427)), ~#aT_atan~0.base, ~bvadd32(32bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.036531571299))), ~#aT_atan~0.base, ~bvadd32(36bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.016285819933)), ~#aT_atan~0.base, ~bvadd32(40bv32, ~#aT_atan~0.offset), 4bv32);~one_atan~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~huge_atan~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~pi_o_4~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.78539818525));~pi_o_2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707963705));~pi~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.141592741));~tiny_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~zero_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE());~pi_lo_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 8.7422776573E-8))); {1124#(fp.eq (fp.sub currentRoundingMode (fp.neg ~pi_o_2~0) ~tiny_atan2~0) (fp.neg ~pi_o_2~0))} is VALID [2020-07-28 17:48:17,351 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 17:48:17,351 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1679866879] [2020-07-28 17:48:17,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:48:17,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2020-07-28 17:48:17,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535604096] [2020-07-28 17:48:17,352 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2020-07-28 17:48:17,353 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:48:17,353 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-28 17:48:17,646 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:48:17,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-28 17:48:17,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:48:17,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-28 17:48:17,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-07-28 17:48:17,648 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 10 states. [2020-07-28 17:48:18,554 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2020-07-28 17:48:18,851 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2020-07-28 17:48:19,234 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 22 [2020-07-28 17:48:19,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:48:19,236 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-07-28 17:48:19,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 17:48:19,236 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2020-07-28 17:48:19,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:48:19,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-28 17:48:19,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 18 transitions. [2020-07-28 17:48:19,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-28 17:48:19,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 18 transitions. [2020-07-28 17:48:19,238 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 18 transitions. [2020-07-28 17:48:19,333 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:48:19,334 INFO L225 Difference]: With dead ends: 19 [2020-07-28 17:48:19,334 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 17:48:19,335 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-07-28 17:48:19,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 17:48:19,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 17:48:19,335 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:48:19,336 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 17:48:19,336 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:48:19,336 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:48:19,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:48:19,337 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:48:19,337 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:48:19,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:48:19,338 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:48:19,338 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:48:19,338 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:48:19,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:48:19,338 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:48:19,338 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:48:19,338 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:48:19,339 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:48:19,339 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:48:19,339 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:48:19,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 17:48:19,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 17:48:19,340 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-07-28 17:48:19,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:48:19,340 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 17:48:19,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-28 17:48:19,341 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:48:19,341 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:48:19,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-07-28 17:48:19,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 17:48:19,942 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-07-28 17:48:19,997 INFO L264 CegarLoopResult]: At program point L118(lines 118 213) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) .cse0) (fp.lt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)) (= ~pi_o_2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 2000000000.0)))) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (= (fp.sub roundNearestTiesToEven (fp.neg ~pi_o_2~0) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) |ULTIMATE.start___ieee754_atan2f_#res|) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~iy~0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0)))) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))) (= ULTIMATE.start___ieee754_atan2f_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1)))) (= ULTIMATE.start_main_~x~0 .cse0) (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0))) [2020-07-28 17:48:19,998 INFO L268 CegarLoopResult]: For program point L19(lines 19 23) no Hoare annotation was computed. [2020-07-28 17:48:19,998 INFO L268 CegarLoopResult]: For program point L19-1(lines 12 25) no Hoare annotation was computed. [2020-07-28 17:48:19,998 INFO L268 CegarLoopResult]: For program point L19-2(lines 19 23) no Hoare annotation was computed. [2020-07-28 17:48:19,998 INFO L268 CegarLoopResult]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2020-07-28 17:48:19,998 INFO L268 CegarLoopResult]: For program point L19-4(lines 12 25) no Hoare annotation was computed. [2020-07-28 17:48:19,998 INFO L268 CegarLoopResult]: For program point L19-5(lines 19 23) no Hoare annotation was computed. [2020-07-28 17:48:19,998 INFO L268 CegarLoopResult]: For program point L19-6(lines 19 23) no Hoare annotation was computed. [2020-07-28 17:48:19,998 INFO L268 CegarLoopResult]: For program point L19-7(lines 12 25) no Hoare annotation was computed. [2020-07-28 17:48:19,998 INFO L268 CegarLoopResult]: For program point L19-8(lines 19 23) no Hoare annotation was computed. [2020-07-28 17:48:19,999 INFO L268 CegarLoopResult]: For program point L201(lines 201 205) no Hoare annotation was computed. [2020-07-28 17:48:19,999 INFO L268 CegarLoopResult]: For program point L168(lines 168 177) no Hoare annotation was computed. [2020-07-28 17:48:19,999 INFO L268 CegarLoopResult]: For program point L201-1(lines 194 206) no Hoare annotation was computed. [2020-07-28 17:48:19,999 INFO L268 CegarLoopResult]: For program point L201-2(lines 201 205) no Hoare annotation was computed. [2020-07-28 17:48:19,999 INFO L268 CegarLoopResult]: For program point L69(lines 69 94) no Hoare annotation was computed. [2020-07-28 17:48:20,000 INFO L268 CegarLoopResult]: For program point L69-2(lines 69 94) no Hoare annotation was computed. [2020-07-28 17:48:20,000 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 17:48:20,000 INFO L268 CegarLoopResult]: For program point L185(lines 185 190) no Hoare annotation was computed. [2020-07-28 17:48:20,000 INFO L268 CegarLoopResult]: For program point L86(lines 86 92) no Hoare annotation was computed. [2020-07-28 17:48:20,000 INFO L268 CegarLoopResult]: For program point L86-2(lines 69 94) no Hoare annotation was computed. [2020-07-28 17:48:20,000 INFO L268 CegarLoopResult]: For program point L86-3(lines 86 92) no Hoare annotation was computed. [2020-07-28 17:48:20,000 INFO L268 CegarLoopResult]: For program point L86-5(lines 69 94) no Hoare annotation was computed. [2020-07-28 17:48:20,000 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-28 17:48:20,000 INFO L268 CegarLoopResult]: For program point L136(lines 136 137) no Hoare annotation was computed. [2020-07-28 17:48:20,001 INFO L268 CegarLoopResult]: For program point L70(lines 70 73) no Hoare annotation was computed. [2020-07-28 17:48:20,001 INFO L268 CegarLoopResult]: For program point L70-2(lines 70 73) no Hoare annotation was computed. [2020-07-28 17:48:20,001 INFO L268 CegarLoopResult]: For program point L70-3(lines 70 73) no Hoare annotation was computed. [2020-07-28 17:48:20,001 INFO L268 CegarLoopResult]: For program point L70-5(lines 70 73) no Hoare annotation was computed. [2020-07-28 17:48:20,001 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-07-28 17:48:20,001 INFO L268 CegarLoopResult]: For program point L153-2(line 153) no Hoare annotation was computed. [2020-07-28 17:48:20,002 INFO L268 CegarLoopResult]: For program point L71(lines 71 72) no Hoare annotation was computed. [2020-07-28 17:48:20,002 INFO L268 CegarLoopResult]: For program point L71-1(lines 71 72) no Hoare annotation was computed. [2020-07-28 17:48:20,002 INFO L268 CegarLoopResult]: For program point L187(lines 187 190) no Hoare annotation was computed. [2020-07-28 17:48:20,002 INFO L268 CegarLoopResult]: For program point L187-2(lines 185 190) no Hoare annotation was computed. [2020-07-28 17:48:20,002 INFO L268 CegarLoopResult]: For program point L55-1(lines 55 59) no Hoare annotation was computed. [2020-07-28 17:48:20,003 INFO L264 CegarLoopResult]: At program point L55-2(lines 55 59) the Hoare annotation is: false [2020-07-28 17:48:20,003 INFO L268 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-07-28 17:48:20,003 INFO L268 CegarLoopResult]: For program point L55-5(lines 55 59) no Hoare annotation was computed. [2020-07-28 17:48:20,003 INFO L264 CegarLoopResult]: At program point L55-6(lines 55 59) the Hoare annotation is: false [2020-07-28 17:48:20,003 INFO L268 CegarLoopResult]: For program point L55-7(lines 55 59) no Hoare annotation was computed. [2020-07-28 17:48:20,003 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-07-28 17:48:20,003 INFO L268 CegarLoopResult]: For program point L155(lines 155 179) no Hoare annotation was computed. [2020-07-28 17:48:20,004 INFO L268 CegarLoopResult]: For program point L155-1(lines 118 213) no Hoare annotation was computed. [2020-07-28 17:48:20,004 INFO L268 CegarLoopResult]: For program point L122-1(lines 122 126) no Hoare annotation was computed. [2020-07-28 17:48:20,004 INFO L264 CegarLoopResult]: At program point L122-2(lines 122 126) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (fp.lt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (= ULTIMATE.start_main_~x~0 .cse0) (= currentRoundingMode roundNearestTiesToEven))) [2020-07-28 17:48:20,004 INFO L268 CegarLoopResult]: For program point L122-3(lines 122 126) no Hoare annotation was computed. [2020-07-28 17:48:20,004 INFO L268 CegarLoopResult]: For program point L156(lines 156 178) no Hoare annotation was computed. [2020-07-28 17:48:20,004 INFO L264 CegarLoopResult]: At program point L24(lines 12 25) the Hoare annotation is: false [2020-07-28 17:48:20,004 INFO L264 CegarLoopResult]: At program point L24-1(lines 12 25) the Hoare annotation is: false [2020-07-28 17:48:20,005 INFO L264 CegarLoopResult]: At program point L24-2(lines 12 25) the Hoare annotation is: false [2020-07-28 17:48:20,005 INFO L268 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-07-28 17:48:20,005 INFO L268 CegarLoopResult]: For program point L140(lines 140 150) no Hoare annotation was computed. [2020-07-28 17:48:20,005 INFO L268 CegarLoopResult]: For program point L107(lines 107 112) no Hoare annotation was computed. [2020-07-28 17:48:20,005 INFO L268 CegarLoopResult]: For program point L140-2(lines 118 213) no Hoare annotation was computed. [2020-07-28 17:48:20,006 INFO L268 CegarLoopResult]: For program point L107-1(lines 107 112) no Hoare annotation was computed. [2020-07-28 17:48:20,006 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 17:48:20,006 INFO L268 CegarLoopResult]: For program point L157(lines 157 166) no Hoare annotation was computed. [2020-07-28 17:48:20,006 INFO L268 CegarLoopResult]: For program point L141(lines 141 149) no Hoare annotation was computed. [2020-07-28 17:48:20,006 INFO L268 CegarLoopResult]: For program point L224(lines 224 231) no Hoare annotation was computed. [2020-07-28 17:48:20,007 INFO L268 CegarLoopResult]: For program point L191(lines 191 212) no Hoare annotation was computed. [2020-07-28 17:48:20,007 INFO L268 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-07-28 17:48:20,007 INFO L268 CegarLoopResult]: For program point L224-2(lines 224 231) no Hoare annotation was computed. [2020-07-28 17:48:20,007 INFO L268 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-07-28 17:48:20,007 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-28 17:48:20,007 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-28 17:48:20,007 INFO L268 CegarLoopResult]: For program point L142-2(line 142) no Hoare annotation was computed. [2020-07-28 17:48:20,008 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-07-28 17:48:20,008 INFO L268 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-07-28 17:48:20,008 INFO L268 CegarLoopResult]: For program point L77(lines 77 93) no Hoare annotation was computed. [2020-07-28 17:48:20,008 INFO L268 CegarLoopResult]: For program point L77-1(lines 77 93) no Hoare annotation was computed. [2020-07-28 17:48:20,008 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-28 17:48:20,008 INFO L268 CegarLoopResult]: For program point L61(lines 61 68) no Hoare annotation was computed. [2020-07-28 17:48:20,008 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 17:48:20,008 INFO L268 CegarLoopResult]: For program point L61-1(lines 61 68) no Hoare annotation was computed. [2020-07-28 17:48:20,009 INFO L268 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-07-28 17:48:20,009 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-07-28 17:48:20,009 INFO L268 CegarLoopResult]: For program point L78(lines 78 84) no Hoare annotation was computed. [2020-07-28 17:48:20,009 INFO L268 CegarLoopResult]: For program point L111-2(line 111) no Hoare annotation was computed. [2020-07-28 17:48:20,009 INFO L264 CegarLoopResult]: At program point L111-3(lines 51 113) the Hoare annotation is: false [2020-07-28 17:48:20,009 INFO L268 CegarLoopResult]: For program point L78-3(lines 78 84) no Hoare annotation was computed. [2020-07-28 17:48:20,009 INFO L268 CegarLoopResult]: For program point L111-4(line 111) no Hoare annotation was computed. [2020-07-28 17:48:20,009 INFO L268 CegarLoopResult]: For program point L111-6(line 111) no Hoare annotation was computed. [2020-07-28 17:48:20,009 INFO L264 CegarLoopResult]: At program point L111-7(lines 51 113) the Hoare annotation is: false [2020-07-28 17:48:20,009 INFO L268 CegarLoopResult]: For program point L227(lines 227 230) no Hoare annotation was computed. [2020-07-28 17:48:20,009 INFO L268 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-07-28 17:48:20,010 INFO L268 CegarLoopResult]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2020-07-28 17:48:20,010 INFO L264 CegarLoopResult]: At program point L128-2(lines 128 132) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) .cse0) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (fp.lt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))) (= ULTIMATE.start___ieee754_atan2f_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1)))) (= ULTIMATE.start_main_~x~0 .cse0) (= currentRoundingMode roundNearestTiesToEven))) [2020-07-28 17:48:20,010 INFO L268 CegarLoopResult]: For program point L62(lines 62 63) no Hoare annotation was computed. [2020-07-28 17:48:20,010 INFO L268 CegarLoopResult]: For program point L128-3(lines 128 132) no Hoare annotation was computed. [2020-07-28 17:48:20,010 INFO L268 CegarLoopResult]: For program point L62-1(lines 62 63) no Hoare annotation was computed. [2020-07-28 17:48:20,011 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-28 17:48:20,011 INFO L268 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed. [2020-07-28 17:48:20,011 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-07-28 17:48:20,011 INFO L268 CegarLoopResult]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2020-07-28 17:48:20,011 INFO L264 CegarLoopResult]: At program point L14-2(lines 14 18) the Hoare annotation is: false [2020-07-28 17:48:20,011 INFO L268 CegarLoopResult]: For program point L14-5(lines 14 18) no Hoare annotation was computed. [2020-07-28 17:48:20,012 INFO L264 CegarLoopResult]: At program point L14-6(lines 14 18) the Hoare annotation is: false [2020-07-28 17:48:20,012 INFO L268 CegarLoopResult]: For program point L14-9(lines 14 18) no Hoare annotation was computed. [2020-07-28 17:48:20,012 INFO L264 CegarLoopResult]: At program point L14-10(lines 14 18) the Hoare annotation is: false [2020-07-28 17:48:20,012 INFO L268 CegarLoopResult]: For program point L196-1(lines 196 200) no Hoare annotation was computed. [2020-07-28 17:48:20,012 INFO L264 CegarLoopResult]: At program point L196-2(lines 196 200) the Hoare annotation is: false [2020-07-28 17:48:20,012 INFO L268 CegarLoopResult]: For program point L64(lines 64 67) no Hoare annotation was computed. [2020-07-28 17:48:20,012 INFO L268 CegarLoopResult]: For program point L64-1(lines 64 67) no Hoare annotation was computed. [2020-07-28 17:48:20,012 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-07-28 17:48:20,013 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-07-28 17:48:20,013 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 17:48:20,013 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 228) no Hoare annotation was computed. [2020-07-28 17:48:20,013 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-07-28 17:48:20,013 INFO L268 CegarLoopResult]: For program point L182-2(line 182) no Hoare annotation was computed. [2020-07-28 17:48:20,014 INFO L271 CegarLoopResult]: At program point L233(lines 215 234) the Hoare annotation is: true [2020-07-28 17:48:20,014 INFO L268 CegarLoopResult]: For program point L134(lines 134 135) no Hoare annotation was computed. [2020-07-28 17:48:20,017 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:48:20,017 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:48:20,017 WARN L170 areAnnotationChecker]: L224 has no Hoare annotation [2020-07-28 17:48:20,017 WARN L170 areAnnotationChecker]: L224 has no Hoare annotation [2020-07-28 17:48:20,018 WARN L170 areAnnotationChecker]: L122-1 has no Hoare annotation [2020-07-28 17:48:20,018 WARN L170 areAnnotationChecker]: L122-3 has no Hoare annotation [2020-07-28 17:48:20,018 WARN L170 areAnnotationChecker]: L224-2 has no Hoare annotation [2020-07-28 17:48:20,018 WARN L170 areAnnotationChecker]: L122-1 has no Hoare annotation [2020-07-28 17:48:20,018 WARN L170 areAnnotationChecker]: L122-1 has no Hoare annotation [2020-07-28 17:48:20,018 WARN L170 areAnnotationChecker]: L122-3 has no Hoare annotation [2020-07-28 17:48:20,018 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:48:20,018 WARN L170 areAnnotationChecker]: L128-1 has no Hoare annotation [2020-07-28 17:48:20,018 WARN L170 areAnnotationChecker]: L128-3 has no Hoare annotation [2020-07-28 17:48:20,019 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:48:20,019 WARN L170 areAnnotationChecker]: L128-1 has no Hoare annotation [2020-07-28 17:48:20,019 WARN L170 areAnnotationChecker]: L128-1 has no Hoare annotation [2020-07-28 17:48:20,019 WARN L170 areAnnotationChecker]: L128-3 has no Hoare annotation [2020-07-28 17:48:20,019 WARN L170 areAnnotationChecker]: L134 has no Hoare annotation [2020-07-28 17:48:20,019 WARN L170 areAnnotationChecker]: L134 has no Hoare annotation [2020-07-28 17:48:20,019 WARN L170 areAnnotationChecker]: L227 has no Hoare annotation [2020-07-28 17:48:20,020 WARN L170 areAnnotationChecker]: L136 has no Hoare annotation [2020-07-28 17:48:20,020 WARN L170 areAnnotationChecker]: L136 has no Hoare annotation [2020-07-28 17:48:20,020 WARN L170 areAnnotationChecker]: L227 has no Hoare annotation [2020-07-28 17:48:20,020 WARN L170 areAnnotationChecker]: L227 has no Hoare annotation [2020-07-28 17:48:20,020 WARN L170 areAnnotationChecker]: L55-1 has no Hoare annotation [2020-07-28 17:48:20,020 WARN L170 areAnnotationChecker]: L55-3 has no Hoare annotation [2020-07-28 17:48:20,020 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2020-07-28 17:48:20,020 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2020-07-28 17:48:20,020 WARN L170 areAnnotationChecker]: L228 has no Hoare annotation [2020-07-28 17:48:20,020 WARN L170 areAnnotationChecker]: L228 has no Hoare annotation [2020-07-28 17:48:20,021 WARN L170 areAnnotationChecker]: L55-1 has no Hoare annotation [2020-07-28 17:48:20,021 WARN L170 areAnnotationChecker]: L55-1 has no Hoare annotation [2020-07-28 17:48:20,021 WARN L170 areAnnotationChecker]: L55-3 has no Hoare annotation [2020-07-28 17:48:20,021 WARN L170 areAnnotationChecker]: L142 has no Hoare annotation [2020-07-28 17:48:20,021 WARN L170 areAnnotationChecker]: L142 has no Hoare annotation [2020-07-28 17:48:20,021 WARN L170 areAnnotationChecker]: L140-2 has no Hoare annotation [2020-07-28 17:48:20,021 WARN L170 areAnnotationChecker]: L140-2 has no Hoare annotation [2020-07-28 17:48:20,021 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-28 17:48:20,021 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-28 17:48:20,021 WARN L170 areAnnotationChecker]: L142-2 has no Hoare annotation [2020-07-28 17:48:20,021 WARN L170 areAnnotationChecker]: L153 has no Hoare annotation [2020-07-28 17:48:20,022 WARN L170 areAnnotationChecker]: L153 has no Hoare annotation [2020-07-28 17:48:20,022 WARN L170 areAnnotationChecker]: L155 has no Hoare annotation [2020-07-28 17:48:20,022 WARN L170 areAnnotationChecker]: L155 has no Hoare annotation [2020-07-28 17:48:20,022 WARN L170 areAnnotationChecker]: L62 has no Hoare annotation [2020-07-28 17:48:20,022 WARN L170 areAnnotationChecker]: L62 has no Hoare annotation [2020-07-28 17:48:20,022 WARN L170 areAnnotationChecker]: L69 has no Hoare annotation [2020-07-28 17:48:20,022 WARN L170 areAnnotationChecker]: L69 has no Hoare annotation [2020-07-28 17:48:20,022 WARN L170 areAnnotationChecker]: L143 has no Hoare annotation [2020-07-28 17:48:20,022 WARN L170 areAnnotationChecker]: L143 has no Hoare annotation [2020-07-28 17:48:20,022 WARN L170 areAnnotationChecker]: L153-2 has no Hoare annotation [2020-07-28 17:48:20,023 WARN L170 areAnnotationChecker]: L156 has no Hoare annotation [2020-07-28 17:48:20,023 WARN L170 areAnnotationChecker]: L156 has no Hoare annotation [2020-07-28 17:48:20,023 WARN L170 areAnnotationChecker]: L155-1 has no Hoare annotation [2020-07-28 17:48:20,023 WARN L170 areAnnotationChecker]: L155-1 has no Hoare annotation [2020-07-28 17:48:20,023 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 17:48:20,023 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 17:48:20,023 WARN L170 areAnnotationChecker]: L70 has no Hoare annotation [2020-07-28 17:48:20,023 WARN L170 areAnnotationChecker]: L70 has no Hoare annotation [2020-07-28 17:48:20,023 WARN L170 areAnnotationChecker]: L14-1 has no Hoare annotation [2020-07-28 17:48:20,023 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2020-07-28 17:48:20,023 WARN L170 areAnnotationChecker]: L145 has no Hoare annotation [2020-07-28 17:48:20,024 WARN L170 areAnnotationChecker]: L145 has no Hoare annotation [2020-07-28 17:48:20,024 WARN L170 areAnnotationChecker]: L158 has no Hoare annotation [2020-07-28 17:48:20,024 WARN L170 areAnnotationChecker]: L158 has no Hoare annotation [2020-07-28 17:48:20,024 WARN L170 areAnnotationChecker]: L169 has no Hoare annotation [2020-07-28 17:48:20,024 WARN L170 areAnnotationChecker]: L169 has no Hoare annotation [2020-07-28 17:48:20,024 WARN L170 areAnnotationChecker]: L182 has no Hoare annotation [2020-07-28 17:48:20,024 WARN L170 areAnnotationChecker]: L182 has no Hoare annotation [2020-07-28 17:48:20,024 WARN L170 areAnnotationChecker]: L185 has no Hoare annotation [2020-07-28 17:48:20,025 WARN L170 areAnnotationChecker]: L185 has no Hoare annotation [2020-07-28 17:48:20,025 WARN L170 areAnnotationChecker]: L71 has no Hoare annotation [2020-07-28 17:48:20,025 WARN L170 areAnnotationChecker]: L71 has no Hoare annotation [2020-07-28 17:48:20,025 WARN L170 areAnnotationChecker]: L70-2 has no Hoare annotation [2020-07-28 17:48:20,025 WARN L170 areAnnotationChecker]: L14-1 has no Hoare annotation [2020-07-28 17:48:20,025 WARN L170 areAnnotationChecker]: L14-1 has no Hoare annotation [2020-07-28 17:48:20,025 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2020-07-28 17:48:20,025 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2020-07-28 17:48:20,025 WARN L170 areAnnotationChecker]: L147 has no Hoare annotation [2020-07-28 17:48:20,025 WARN L170 areAnnotationChecker]: L147 has no Hoare annotation [2020-07-28 17:48:20,025 WARN L170 areAnnotationChecker]: L160 has no Hoare annotation [2020-07-28 17:48:20,025 WARN L170 areAnnotationChecker]: L160 has no Hoare annotation [2020-07-28 17:48:20,026 WARN L170 areAnnotationChecker]: L171 has no Hoare annotation [2020-07-28 17:48:20,026 WARN L170 areAnnotationChecker]: L171 has no Hoare annotation [2020-07-28 17:48:20,026 WARN L170 areAnnotationChecker]: L182-2 has no Hoare annotation [2020-07-28 17:48:20,026 WARN L170 areAnnotationChecker]: L187-2 has no Hoare annotation [2020-07-28 17:48:20,026 WARN L170 areAnnotationChecker]: L187 has no Hoare annotation [2020-07-28 17:48:20,026 WARN L170 areAnnotationChecker]: L187 has no Hoare annotation [2020-07-28 17:48:20,026 WARN L170 areAnnotationChecker]: L86-2 has no Hoare annotation [2020-07-28 17:48:20,026 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-28 17:48:20,026 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-28 17:48:20,026 WARN L170 areAnnotationChecker]: L19-2 has no Hoare annotation [2020-07-28 17:48:20,026 WARN L170 areAnnotationChecker]: L141 has no Hoare annotation [2020-07-28 17:48:20,026 WARN L170 areAnnotationChecker]: L162 has no Hoare annotation [2020-07-28 17:48:20,027 WARN L170 areAnnotationChecker]: L162 has no Hoare annotation [2020-07-28 17:48:20,027 WARN L170 areAnnotationChecker]: L173 has no Hoare annotation [2020-07-28 17:48:20,027 WARN L170 areAnnotationChecker]: L173 has no Hoare annotation [2020-07-28 17:48:20,027 WARN L170 areAnnotationChecker]: L192 has no Hoare annotation [2020-07-28 17:48:20,027 WARN L170 areAnnotationChecker]: L192 has no Hoare annotation [2020-07-28 17:48:20,027 WARN L170 areAnnotationChecker]: L14-5 has no Hoare annotation [2020-07-28 17:48:20,027 WARN L170 areAnnotationChecker]: L19-4 has no Hoare annotation [2020-07-28 17:48:20,027 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2020-07-28 17:48:20,027 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2020-07-28 17:48:20,027 WARN L170 areAnnotationChecker]: L77 has no Hoare annotation [2020-07-28 17:48:20,027 WARN L170 areAnnotationChecker]: L164 has no Hoare annotation [2020-07-28 17:48:20,027 WARN L170 areAnnotationChecker]: L164 has no Hoare annotation [2020-07-28 17:48:20,028 WARN L170 areAnnotationChecker]: L175 has no Hoare annotation [2020-07-28 17:48:20,028 WARN L170 areAnnotationChecker]: L175 has no Hoare annotation [2020-07-28 17:48:20,028 WARN L170 areAnnotationChecker]: L194 has no Hoare annotation [2020-07-28 17:48:20,028 WARN L170 areAnnotationChecker]: L194 has no Hoare annotation [2020-07-28 17:48:20,028 WARN L170 areAnnotationChecker]: L14-5 has no Hoare annotation [2020-07-28 17:48:20,028 WARN L170 areAnnotationChecker]: L14-5 has no Hoare annotation [2020-07-28 17:48:20,028 WARN L170 areAnnotationChecker]: L19-4 has no Hoare annotation [2020-07-28 17:48:20,028 WARN L170 areAnnotationChecker]: L19-4 has no Hoare annotation [2020-07-28 17:48:20,028 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation [2020-07-28 17:48:20,028 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation [2020-07-28 17:48:20,029 WARN L170 areAnnotationChecker]: L77 has no Hoare annotation [2020-07-28 17:48:20,029 WARN L170 areAnnotationChecker]: L77 has no Hoare annotation [2020-07-28 17:48:20,029 WARN L170 areAnnotationChecker]: L157 has no Hoare annotation [2020-07-28 17:48:20,029 WARN L170 areAnnotationChecker]: L168 has no Hoare annotation [2020-07-28 17:48:20,029 WARN L170 areAnnotationChecker]: L196-1 has no Hoare annotation [2020-07-28 17:48:20,029 WARN L170 areAnnotationChecker]: L201-1 has no Hoare annotation [2020-07-28 17:48:20,029 WARN L170 areAnnotationChecker]: L208 has no Hoare annotation [2020-07-28 17:48:20,029 WARN L170 areAnnotationChecker]: L208 has no Hoare annotation [2020-07-28 17:48:20,029 WARN L170 areAnnotationChecker]: L19-3 has no Hoare annotation [2020-07-28 17:48:20,029 WARN L170 areAnnotationChecker]: L19-3 has no Hoare annotation [2020-07-28 17:48:20,029 WARN L170 areAnnotationChecker]: L19-5 has no Hoare annotation [2020-07-28 17:48:20,030 WARN L170 areAnnotationChecker]: L111-2 has no Hoare annotation [2020-07-28 17:48:20,030 WARN L170 areAnnotationChecker]: L78 has no Hoare annotation [2020-07-28 17:48:20,030 WARN L170 areAnnotationChecker]: L78 has no Hoare annotation [2020-07-28 17:48:20,030 WARN L170 areAnnotationChecker]: L86 has no Hoare annotation [2020-07-28 17:48:20,030 WARN L170 areAnnotationChecker]: L86 has no Hoare annotation [2020-07-28 17:48:20,030 WARN L170 areAnnotationChecker]: L196-1 has no Hoare annotation [2020-07-28 17:48:20,030 WARN L170 areAnnotationChecker]: L196-1 has no Hoare annotation [2020-07-28 17:48:20,030 WARN L170 areAnnotationChecker]: L201-1 has no Hoare annotation [2020-07-28 17:48:20,030 WARN L170 areAnnotationChecker]: L201-1 has no Hoare annotation [2020-07-28 17:48:20,030 WARN L170 areAnnotationChecker]: L210 has no Hoare annotation [2020-07-28 17:48:20,030 WARN L170 areAnnotationChecker]: L210 has no Hoare annotation [2020-07-28 17:48:20,030 WARN L170 areAnnotationChecker]: L201 has no Hoare annotation [2020-07-28 17:48:20,031 WARN L170 areAnnotationChecker]: L201 has no Hoare annotation [2020-07-28 17:48:20,031 WARN L170 areAnnotationChecker]: L201-2 has no Hoare annotation [2020-07-28 17:48:20,031 WARN L170 areAnnotationChecker]: L191 has no Hoare annotation [2020-07-28 17:48:20,031 WARN L170 areAnnotationChecker]: L55-5 has no Hoare annotation [2020-07-28 17:48:20,031 WARN L170 areAnnotationChecker]: L55-7 has no Hoare annotation [2020-07-28 17:48:20,031 WARN L170 areAnnotationChecker]: L55-5 has no Hoare annotation [2020-07-28 17:48:20,031 WARN L170 areAnnotationChecker]: L55-5 has no Hoare annotation [2020-07-28 17:48:20,031 WARN L170 areAnnotationChecker]: L55-7 has no Hoare annotation [2020-07-28 17:48:20,031 WARN L170 areAnnotationChecker]: L61-1 has no Hoare annotation [2020-07-28 17:48:20,031 WARN L170 areAnnotationChecker]: L61-1 has no Hoare annotation [2020-07-28 17:48:20,031 WARN L170 areAnnotationChecker]: L62-1 has no Hoare annotation [2020-07-28 17:48:20,031 WARN L170 areAnnotationChecker]: L62-1 has no Hoare annotation [2020-07-28 17:48:20,032 WARN L170 areAnnotationChecker]: L69-2 has no Hoare annotation [2020-07-28 17:48:20,032 WARN L170 areAnnotationChecker]: L69-2 has no Hoare annotation [2020-07-28 17:48:20,032 WARN L170 areAnnotationChecker]: L187-2 has no Hoare annotation [2020-07-28 17:48:20,032 WARN L170 areAnnotationChecker]: L64-1 has no Hoare annotation [2020-07-28 17:48:20,032 WARN L170 areAnnotationChecker]: L64-1 has no Hoare annotation [2020-07-28 17:48:20,032 WARN L170 areAnnotationChecker]: L70-3 has no Hoare annotation [2020-07-28 17:48:20,032 WARN L170 areAnnotationChecker]: L70-3 has no Hoare annotation [2020-07-28 17:48:20,032 WARN L170 areAnnotationChecker]: L14-9 has no Hoare annotation [2020-07-28 17:48:20,032 WARN L170 areAnnotationChecker]: L19-7 has no Hoare annotation [2020-07-28 17:48:20,032 WARN L170 areAnnotationChecker]: L71-1 has no Hoare annotation [2020-07-28 17:48:20,032 WARN L170 areAnnotationChecker]: L71-1 has no Hoare annotation [2020-07-28 17:48:20,032 WARN L170 areAnnotationChecker]: L70-5 has no Hoare annotation [2020-07-28 17:48:20,033 WARN L170 areAnnotationChecker]: L14-9 has no Hoare annotation [2020-07-28 17:48:20,033 WARN L170 areAnnotationChecker]: L14-9 has no Hoare annotation [2020-07-28 17:48:20,033 WARN L170 areAnnotationChecker]: L19-7 has no Hoare annotation [2020-07-28 17:48:20,033 WARN L170 areAnnotationChecker]: L19-7 has no Hoare annotation [2020-07-28 17:48:20,033 WARN L170 areAnnotationChecker]: L86-5 has no Hoare annotation [2020-07-28 17:48:20,033 WARN L170 areAnnotationChecker]: L19-6 has no Hoare annotation [2020-07-28 17:48:20,033 WARN L170 areAnnotationChecker]: L19-6 has no Hoare annotation [2020-07-28 17:48:20,033 WARN L170 areAnnotationChecker]: L19-8 has no Hoare annotation [2020-07-28 17:48:20,033 WARN L170 areAnnotationChecker]: L107-1 has no Hoare annotation [2020-07-28 17:48:20,033 WARN L170 areAnnotationChecker]: L107-1 has no Hoare annotation [2020-07-28 17:48:20,033 WARN L170 areAnnotationChecker]: L77-1 has no Hoare annotation [2020-07-28 17:48:20,033 WARN L170 areAnnotationChecker]: L111-4 has no Hoare annotation [2020-07-28 17:48:20,034 WARN L170 areAnnotationChecker]: L111-4 has no Hoare annotation [2020-07-28 17:48:20,034 WARN L170 areAnnotationChecker]: L77-1 has no Hoare annotation [2020-07-28 17:48:20,034 WARN L170 areAnnotationChecker]: L77-1 has no Hoare annotation [2020-07-28 17:48:20,034 WARN L170 areAnnotationChecker]: L111-6 has no Hoare annotation [2020-07-28 17:48:20,034 WARN L170 areAnnotationChecker]: L78-3 has no Hoare annotation [2020-07-28 17:48:20,034 WARN L170 areAnnotationChecker]: L78-3 has no Hoare annotation [2020-07-28 17:48:20,034 WARN L170 areAnnotationChecker]: L86-3 has no Hoare annotation [2020-07-28 17:48:20,034 WARN L170 areAnnotationChecker]: L86-3 has no Hoare annotation [2020-07-28 17:48:20,034 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 17:48:20,041 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,042 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,043 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,043 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,049 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,049 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,050 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,050 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-07-28 17:48:20,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-07-28 17:48:20,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-07-28 17:48:20,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-07-28 17:48:20,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,058 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,060 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,061 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,061 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,061 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-07-28 17:48:20,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-07-28 17:48:20,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-07-28 17:48:20,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-07-28 17:48:20,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,064 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,065 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,065 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,065 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,067 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,067 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,067 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,068 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,068 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,068 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,069 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:48:20 BoogieIcfgContainer [2020-07-28 17:48:20,073 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:48:20,073 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:48:20,074 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:48:20,074 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:48:20,075 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:47:39" (3/4) ... [2020-07-28 17:48:20,078 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 17:48:20,095 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2020-07-28 17:48:20,096 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-07-28 17:48:20,097 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 17:48:20,130 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2020-07-28 17:48:20,130 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]), ~Pluszero~LONGDOUBLE())) && pi_o_2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/2000000000))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi_o_2), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]), ~Pluszero~LONGDOUBLE()) && iy == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0))) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 [2020-07-28 17:48:20,208 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 17:48:20,209 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:48:20,211 INFO L168 Benchmark]: Toolchain (without parser) took 62280.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 204.5 MB). Free memory was 957.5 MB in the beginning and 881.1 MB in the end (delta: 76.4 MB). Peak memory consumption was 280.9 MB. Max. memory is 11.5 GB. [2020-07-28 17:48:20,211 INFO L168 Benchmark]: CDTParser took 0.26 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 17:48:20,212 INFO L168 Benchmark]: CACSL2BoogieTranslator took 580.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2020-07-28 17:48:20,212 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.47 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:48:20,212 INFO L168 Benchmark]: Boogie Preprocessor took 116.33 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2020-07-28 17:48:20,213 INFO L168 Benchmark]: RCFGBuilder took 21185.34 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: 94.8 MB). Peak memory consumption was 94.8 MB. Max. memory is 11.5 GB. [2020-07-28 17:48:20,213 INFO L168 Benchmark]: TraceAbstraction took 40127.61 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 1.0 GB in the beginning and 888.8 MB in the end (delta: 115.5 MB). Peak memory consumption was 189.4 MB. Max. memory is 11.5 GB. [2020-07-28 17:48:20,214 INFO L168 Benchmark]: Witness Printer took 135.52 ms. Allocated memory is still 1.2 GB. Free memory was 888.8 MB in the beginning and 881.1 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:48:20,216 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 0.26 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 580.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 127.47 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 116.33 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 21185.34 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: 94.8 MB). Peak memory consumption was 94.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 40127.61 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 1.0 GB in the beginning and 888.8 MB in the end (delta: 115.5 MB). Peak memory consumption was 189.4 MB. Max. memory is 11.5 GB. * Witness Printer took 135.52 ms. Allocated memory is still 1.2 GB. Free memory was 888.8 MB in the beginning and 881.1 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 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[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~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 * 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 - 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: 228]: 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: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant [2020-07-28 17:48:20,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,235 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,235 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,235 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,236 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,237 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,237 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,237 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,238 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,238 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,239 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,240 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,241 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,241 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant [2020-07-28 17:48:20,244 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,244 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,244 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,245 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,245 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,246 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-07-28 17:48:20,246 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-07-28 17:48:20,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-07-28 17:48:20,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-07-28 17:48:20,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,248 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,248 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,248 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,249 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,249 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,250 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,250 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,251 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,251 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,251 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,252 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,252 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-07-28 17:48:20,252 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-07-28 17:48:20,252 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-07-28 17:48:20,253 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-07-28 17:48:20,253 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,253 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,254 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,254 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-07-28 17:48:20,255 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,256 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,256 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,256 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]), ~Pluszero~LONGDOUBLE())) && pi_o_2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/2000000000))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi_o_2), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]), ~Pluszero~LONGDOUBLE()) && iy == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0))) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant [2020-07-28 17:48:20,259 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,261 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:48:20,262 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,263 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,263 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,263 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:48:20,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000)) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 39.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 30.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 181 SDtfs, 102 SDslu, 68 SDs, 0 SdLazy, 42 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred 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, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 189 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 78 ConstructedInterpolants, 9 QuantifiedInterpolants, 10945 SizeOfPredicates, 18 NumberOfNonLiveVariables, 293 ConjunctsInSsa, 23 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...