./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0620a.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_0620a.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 bc7b929d20445456da87d92c4566355380c50982 ................................................................................................................................................................................................................................................................................................................................................................................................................. 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_0620a.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 bc7b929d20445456da87d92c4566355380c50982 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:46:14,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:46:14,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:46:14,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:46:14,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:46:14,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:46:14,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:46:14,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:46:14,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:46:14,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:46:14,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:46:14,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:46:14,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:46:14,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:46:14,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:46:14,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:46:14,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:46:14,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:46:14,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:46:14,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:46:14,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:46:14,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:46:14,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:46:14,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:46:14,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:46:14,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:46:14,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:46:14,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:46:14,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:46:14,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:46:14,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:46:14,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:46:14,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:46:14,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:46:15,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:46:15,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:46:15,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:46:15,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:46:15,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:46:15,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:46:15,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:46:15,005 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 17:46:15,020 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:46:15,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:46:15,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:46:15,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:46:15,023 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:46:15,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:46:15,023 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:46:15,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 17:46:15,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:46:15,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:46:15,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:46:15,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:46:15,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:46:15,025 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:46:15,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:46:15,026 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:46:15,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:46:15,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:46:15,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:46:15,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:46:15,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:46:15,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:46:15,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:46:15,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:46:15,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:46:15,029 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 17:46:15,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 17:46:15,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:46:15,030 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:46:15,031 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 -> bc7b929d20445456da87d92c4566355380c50982 [2020-07-28 17:46:15,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:46:15,374 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:46:15,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:46:15,379 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:46:15,380 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:46:15,381 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0620a.c [2020-07-28 17:46:15,457 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54e048503/14376c69c6d74e3681309075eb34f2c7/FLAG9e7bd587d [2020-07-28 17:46:15,924 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:46:15,925 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0620a.c [2020-07-28 17:46:15,936 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54e048503/14376c69c6d74e3681309075eb34f2c7/FLAG9e7bd587d [2020-07-28 17:46:16,303 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54e048503/14376c69c6d74e3681309075eb34f2c7 [2020-07-28 17:46:16,306 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:46:16,309 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:46:16,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:46:16,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:46:16,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:46:16,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:46:16" (1/1) ... [2020-07-28 17:46:16,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50ec5438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:46:16, skipping insertion in model container [2020-07-28 17:46:16,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:46:16" (1/1) ... [2020-07-28 17:46:16,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:46:16,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:46:16,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:46:16,611 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:46:16,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:46:16,835 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:46:16,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:46:16 WrapperNode [2020-07-28 17:46:16,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:46:16,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:46:16,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:46:16,837 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:46:16,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:46:16" (1/1) ... [2020-07-28 17:46:16,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:46:16" (1/1) ... [2020-07-28 17:46:16,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:46:16,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:46:16,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:46:16,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:46:16,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:46:16" (1/1) ... [2020-07-28 17:46:16,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:46:16" (1/1) ... [2020-07-28 17:46:16,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:46:16" (1/1) ... [2020-07-28 17:46:16,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:46:16" (1/1) ... [2020-07-28 17:46:16,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:46:16" (1/1) ... [2020-07-28 17:46:16,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:46:16" (1/1) ... [2020-07-28 17:46:16,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:46:16" (1/1) ... [2020-07-28 17:46:16,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:46:16,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:46:16,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:46:16,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:46:16,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:46:16" (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 17:46:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:46:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-28 17:46:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 17:46:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-28 17:46:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:46:17,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:46:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-28 17:46:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-07-28 17:46:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:46:17,716 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:46:17,717 INFO L295 CfgBuilder]: Removed 18 assume(true) statements. [2020-07-28 17:46:17,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:46:17 BoogieIcfgContainer [2020-07-28 17:46:17,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:46:17,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:46:17,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:46:17,728 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:46:17,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:46:16" (1/3) ... [2020-07-28 17:46:17,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@153371f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:46:17, skipping insertion in model container [2020-07-28 17:46:17,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:46:16" (2/3) ... [2020-07-28 17:46:17,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@153371f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:46:17, skipping insertion in model container [2020-07-28 17:46:17,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:46:17" (3/3) ... [2020-07-28 17:46:17,737 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0620a.c [2020-07-28 17:46:17,748 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:46:17,756 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:46:17,768 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:46:17,788 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:46:17,788 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:46:17,789 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:46:17,789 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:46:17,789 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:46:17,789 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:46:17,790 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:46:17,790 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:46:17,806 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2020-07-28 17:46:17,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 17:46:17,813 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:46:17,814 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:46:17,815 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:46:17,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:46:17,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1030429181, now seen corresponding path program 1 times [2020-07-28 17:46:17,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:46:17,833 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506825912] [2020-07-28 17:46:17,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:46:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:46:18,030 INFO L280 TraceCheckUtils]: 0: Hoare triple {40#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~huge_floor~0 := 1.0E30;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; {40#true} is VALID [2020-07-28 17:46:18,031 INFO L280 TraceCheckUtils]: 1: Hoare triple {40#true} havoc main_#res;havoc main_#t~ret27, main_#t~ret28, main_#t~short29, main_~x~0, main_~res~0;main_~x~0 := 0.0;atan_float_#in~x := main_~x~0;havoc atan_float_#res;havoc atan_float_#t~mem4, atan_float_#t~union5, atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, atan_float_#t~mem6, atan_float_#t~mem7, atan_float_#t~mem8, atan_float_#t~mem9, atan_float_#t~ret10, atan_float_#t~mem16, atan_float_#t~mem15, atan_float_#t~mem14, atan_float_#t~mem13, atan_float_#t~mem12, atan_float_#t~mem11, atan_float_#t~mem21, atan_float_#t~mem20, atan_float_#t~mem19, atan_float_#t~mem18, atan_float_#t~mem17, atan_float_#t~mem23, atan_float_#t~mem22, atan_float_#t~ite24, atan_float_~x, atan_float_~w~0, atan_float_~s1~0, atan_float_~s2~0, atan_float_~z~0, atan_float_~ix~1, atan_float_~hx~0, atan_float_~id~0;atan_float_~x := atan_float_#in~x;havoc atan_float_~w~0;havoc atan_float_~s1~0;havoc atan_float_~s2~0;havoc atan_float_~z~0;havoc atan_float_~ix~1;havoc atan_float_~hx~0;havoc atan_float_~id~0; {40#true} is VALID [2020-07-28 17:46:18,032 INFO L280 TraceCheckUtils]: 2: Hoare triple {40#true} assume !true; {41#false} is VALID [2020-07-28 17:46:18,033 INFO L280 TraceCheckUtils]: 3: Hoare triple {41#false} atan_float_~ix~1 := ~bitwiseAnd(atan_float_~hx~0, 2147483647); {41#false} is VALID [2020-07-28 17:46:18,033 INFO L280 TraceCheckUtils]: 4: Hoare triple {41#false} assume atan_float_~ix~1 >= 1350565888; {41#false} is VALID [2020-07-28 17:46:18,034 INFO L280 TraceCheckUtils]: 5: Hoare triple {41#false} assume atan_float_~ix~1 > 2139095040;atan_float_#res := ~someBinaryArithmeticFLOAToperation(atan_float_~x, atan_float_~x); {41#false} is VALID [2020-07-28 17:46:18,034 INFO L280 TraceCheckUtils]: 6: Hoare triple {41#false} main_#t~ret27 := atan_float_#res;main_~res~0 := main_#t~ret27;havoc main_#t~ret27;main_#t~short29 := ~someBinaryFLOATComparisonOperation(main_~res~0, 0.0); {41#false} is VALID [2020-07-28 17:46:18,034 INFO L280 TraceCheckUtils]: 7: Hoare triple {41#false} assume !main_#t~short29; {41#false} is VALID [2020-07-28 17:46:18,035 INFO L280 TraceCheckUtils]: 8: Hoare triple {41#false} assume !main_#t~short29;havoc main_#t~ret28;havoc main_#t~short29; {41#false} is VALID [2020-07-28 17:46:18,035 INFO L280 TraceCheckUtils]: 9: Hoare triple {41#false} assume !false; {41#false} is VALID [2020-07-28 17:46:18,038 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 17:46:18,039 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506825912] [2020-07-28 17:46:18,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:46:18,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 17:46:18,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818360814] [2020-07-28 17:46:18,047 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-07-28 17:46:18,048 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:46:18,052 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:46:18,084 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:46:18,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:46:18,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 17:46:18,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:46:18,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:46:18,098 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2020-07-28 17:46:18,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:46:18,188 INFO L93 Difference]: Finished difference Result 72 states and 112 transitions. [2020-07-28 17:46:18,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:46:18,188 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-07-28 17:46:18,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:46:18,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:46:18,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 112 transitions. [2020-07-28 17:46:18,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:46:18,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 112 transitions. [2020-07-28 17:46:18,204 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 112 transitions. [2020-07-28 17:46:18,376 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 112 edges. 112 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:46:18,390 INFO L225 Difference]: With dead ends: 72 [2020-07-28 17:46:18,390 INFO L226 Difference]: Without dead ends: 34 [2020-07-28 17:46:18,394 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 17:46:18,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-07-28 17:46:18,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2020-07-28 17:46:18,434 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:46:18,435 INFO L82 GeneralOperation]: Start isEquivalent. First operand 34 states. Second operand 34 states. [2020-07-28 17:46:18,435 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand 34 states. [2020-07-28 17:46:18,436 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 34 states. [2020-07-28 17:46:18,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:46:18,441 INFO L93 Difference]: Finished difference Result 34 states and 45 transitions. [2020-07-28 17:46:18,441 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2020-07-28 17:46:18,442 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:46:18,442 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:46:18,442 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand 34 states. [2020-07-28 17:46:18,443 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 34 states. [2020-07-28 17:46:18,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:46:18,447 INFO L93 Difference]: Finished difference Result 34 states and 45 transitions. [2020-07-28 17:46:18,447 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2020-07-28 17:46:18,448 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:46:18,448 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:46:18,449 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:46:18,449 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:46:18,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-07-28 17:46:18,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2020-07-28 17:46:18,454 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 10 [2020-07-28 17:46:18,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:46:18,455 INFO L479 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2020-07-28 17:46:18,455 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:46:18,456 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2020-07-28 17:46:18,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 17:46:18,457 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:46:18,457 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:46:18,457 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 17:46:18,458 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:46:18,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:46:18,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1304878016, now seen corresponding path program 1 times [2020-07-28 17:46:18,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:46:18,459 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244035528] [2020-07-28 17:46:18,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:46:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:46:18,547 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:46:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:46:18,590 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:46:18,646 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 17:46:18,646 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 17:46:18,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 17:46:18,691 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:46:18,692 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:46:18,692 WARN L170 areAnnotationChecker]: L57-2 has no Hoare annotation [2020-07-28 17:46:18,692 WARN L170 areAnnotationChecker]: L57-2 has no Hoare annotation [2020-07-28 17:46:18,692 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-28 17:46:18,692 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-28 17:46:18,693 WARN L170 areAnnotationChecker]: L57-3 has no Hoare annotation [2020-07-28 17:46:18,693 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-28 17:46:18,693 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-28 17:46:18,693 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 17:46:18,694 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 17:46:18,694 WARN L170 areAnnotationChecker]: L71 has no Hoare annotation [2020-07-28 17:46:18,694 WARN L170 areAnnotationChecker]: L71 has no Hoare annotation [2020-07-28 17:46:18,694 WARN L170 areAnnotationChecker]: L113-3 has no Hoare annotation [2020-07-28 17:46:18,694 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-28 17:46:18,695 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-28 17:46:18,695 WARN L170 areAnnotationChecker]: L72 has no Hoare annotation [2020-07-28 17:46:18,695 WARN L170 areAnnotationChecker]: L72 has no Hoare annotation [2020-07-28 17:46:18,695 WARN L170 areAnnotationChecker]: L16-2 has no Hoare annotation [2020-07-28 17:46:18,696 WARN L170 areAnnotationChecker]: L16-2 has no Hoare annotation [2020-07-28 17:46:18,696 WARN L170 areAnnotationChecker]: L141 has no Hoare annotation [2020-07-28 17:46:18,696 WARN L170 areAnnotationChecker]: L141 has no Hoare annotation [2020-07-28 17:46:18,696 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2020-07-28 17:46:18,697 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2020-07-28 17:46:18,697 WARN L170 areAnnotationChecker]: L72-2 has no Hoare annotation [2020-07-28 17:46:18,697 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-28 17:46:18,697 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-28 17:46:18,698 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-28 17:46:18,698 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-28 17:46:18,698 WARN L170 areAnnotationChecker]: L120-2 has no Hoare annotation [2020-07-28 17:46:18,698 WARN L170 areAnnotationChecker]: L120-2 has no Hoare annotation [2020-07-28 17:46:18,698 WARN L170 areAnnotationChecker]: L141-2 has no Hoare annotation [2020-07-28 17:46:18,699 WARN L170 areAnnotationChecker]: L141-2 has no Hoare annotation [2020-07-28 17:46:18,699 WARN L170 areAnnotationChecker]: L88-2 has no Hoare annotation [2020-07-28 17:46:18,699 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-28 17:46:18,699 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-28 17:46:18,700 WARN L170 areAnnotationChecker]: L21-2 has no Hoare annotation [2020-07-28 17:46:18,700 WARN L170 areAnnotationChecker]: L120-1 has no Hoare annotation [2020-07-28 17:46:18,700 WARN L170 areAnnotationChecker]: L120-1 has no Hoare annotation [2020-07-28 17:46:18,700 WARN L170 areAnnotationChecker]: L120-3 has no Hoare annotation [2020-07-28 17:46:18,701 WARN L170 areAnnotationChecker]: L142 has no Hoare annotation [2020-07-28 17:46:18,701 WARN L170 areAnnotationChecker]: L142 has no Hoare annotation [2020-07-28 17:46:18,701 WARN L170 areAnnotationChecker]: L146 has no Hoare annotation [2020-07-28 17:46:18,701 WARN L170 areAnnotationChecker]: L109 has no Hoare annotation [2020-07-28 17:46:18,701 WARN L170 areAnnotationChecker]: L109 has no Hoare annotation [2020-07-28 17:46:18,702 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-28 17:46:18,702 WARN L170 areAnnotationChecker]: L126 has no Hoare annotation [2020-07-28 17:46:18,702 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:46:18,702 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2020-07-28 17:46:18,703 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2020-07-28 17:46:18,703 WARN L170 areAnnotationChecker]: L79 has no Hoare annotation [2020-07-28 17:46:18,703 WARN L170 areAnnotationChecker]: L79 has no Hoare annotation [2020-07-28 17:46:18,703 WARN L170 areAnnotationChecker]: L113-2 has no Hoare annotation [2020-07-28 17:46:18,704 WARN L170 areAnnotationChecker]: L80 has no Hoare annotation [2020-07-28 17:46:18,704 WARN L170 areAnnotationChecker]: L80 has no Hoare annotation [2020-07-28 17:46:18,704 WARN L170 areAnnotationChecker]: L88 has no Hoare annotation [2020-07-28 17:46:18,704 WARN L170 areAnnotationChecker]: L88 has no Hoare annotation [2020-07-28 17:46:18,705 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 17:46:18,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:46:18 BoogieIcfgContainer [2020-07-28 17:46:18,708 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:46:18,709 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:46:18,709 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:46:18,709 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:46:18,710 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:46:17" (3/4) ... [2020-07-28 17:46:18,714 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-28 17:46:18,715 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:46:18,718 INFO L168 Benchmark]: Toolchain (without parser) took 2410.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 957.5 MB in the beginning and 1.0 GB in the end (delta: -66.9 MB). Peak memory consumption was 89.9 MB. Max. memory is 11.5 GB. [2020-07-28 17:46:18,719 INFO L168 Benchmark]: CDTParser took 0.30 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 17:46:18,720 INFO L168 Benchmark]: CACSL2BoogieTranslator took 525.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2020-07-28 17:46:18,721 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2020-07-28 17:46:18,722 INFO L168 Benchmark]: Boogie Preprocessor took 57.68 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2020-07-28 17:46:18,723 INFO L168 Benchmark]: RCFGBuilder took 728.87 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: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. [2020-07-28 17:46:18,724 INFO L168 Benchmark]: TraceAbstraction took 983.14 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: 68.7 MB). Peak memory consumption was 68.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:46:18,725 INFO L168 Benchmark]: Witness Printer took 6.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:46:18,729 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 0.30 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 525.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.68 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 728.87 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: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 983.14 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: 68.7 MB). Peak memory consumption was 68.7 MB. Max. memory is 11.5 GB. * Witness Printer took 6.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 142]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 141, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 62, overapproximation of someBinaryArithmeticFLOAToperation at line 65. Possible FailurePath: [L12] static const float huge_floor = 1.0e30; [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L137] float x = 0.0f; [L54] float w, s1, s2, z; [L55] __int32_t ix, hx, id; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L58] ieee_float_shape_type gf_u; [L59] gf_u.value = (x) [L60] EXPR gf_u.word [L60] (hx) = gf_u.word [L62] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L63] COND TRUE ix >= 0x50800000 VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L64] COND TRUE ((ix) > 0x7f800000L) [L65] return x + x; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L138] float res = atan_float(x); [L141] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L141] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L142] __VERIFIER_error() VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 48 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 17:46:20,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:46:20,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:46:20,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:46:20,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:46:20,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:46:20,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:46:20,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:46:20,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:46:20,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:46:20,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:46:20,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:46:20,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:46:20,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:46:20,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:46:20,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:46:20,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:46:20,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:46:20,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:46:20,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:46:20,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:46:20,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:46:20,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:46:20,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:46:20,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:46:20,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:46:20,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:46:20,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:46:20,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:46:20,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:46:20,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:46:20,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:46:20,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:46:20,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:46:20,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:46:20,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:46:20,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:46:20,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:46:20,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:46:20,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:46:20,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:46:20,912 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 17:46:20,928 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:46:20,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:46:20,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:46:20,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:46:20,930 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:46:20,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:46:20,931 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:46:20,931 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:46:20,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:46:20,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:46:20,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:46:20,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:46:20,933 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 17:46:20,933 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 17:46:20,933 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:46:20,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:46:20,934 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:46:20,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:46:20,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:46:20,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:46:20,935 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:46:20,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:46:20,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:46:20,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:46:20,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:46:20,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:46:20,937 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 17:46:20,937 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 17:46:20,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:46:20,938 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:46:20,938 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 17:46:20,938 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 -> bc7b929d20445456da87d92c4566355380c50982 [2020-07-28 17:46:21,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:46:21,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:46:21,272 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:46:21,274 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:46:21,275 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:46:21,276 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0620a.c [2020-07-28 17:46:21,364 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa50979c6/bd8eec370c594740b0349451e8dc9963/FLAG81192dc68 [2020-07-28 17:46:21,905 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:46:21,906 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0620a.c [2020-07-28 17:46:21,919 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa50979c6/bd8eec370c594740b0349451e8dc9963/FLAG81192dc68 [2020-07-28 17:46:22,232 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa50979c6/bd8eec370c594740b0349451e8dc9963 [2020-07-28 17:46:22,236 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:46:22,240 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:46:22,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:46:22,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:46:22,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:46:22,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:46:22" (1/1) ... [2020-07-28 17:46:22,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f35f536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:46:22, skipping insertion in model container [2020-07-28 17:46:22,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:46:22" (1/1) ... [2020-07-28 17:46:22,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:46:22,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:46:22,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:46:22,598 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:46:22,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:46:22,765 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:46:22,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:46:22 WrapperNode [2020-07-28 17:46:22,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:46:22,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:46:22,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:46:22,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:46:22,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:46:22" (1/1) ... [2020-07-28 17:46:22,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:46:22" (1/1) ... [2020-07-28 17:46:22,877 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:46:22,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:46:22,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:46:22,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:46:22,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:46:22" (1/1) ... [2020-07-28 17:46:22,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:46:22" (1/1) ... [2020-07-28 17:46:22,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:46:22" (1/1) ... [2020-07-28 17:46:22,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:46:22" (1/1) ... [2020-07-28 17:46:22,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:46:22" (1/1) ... [2020-07-28 17:46:22,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:46:22" (1/1) ... [2020-07-28 17:46:22,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:46:22" (1/1) ... [2020-07-28 17:46:22,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:46:22,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:46:22,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:46:22,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:46:22,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:46:22" (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 17:46:23,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-07-28 17:46:23,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:46:23,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-07-28 17:46:23,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-07-28 17:46:23,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:46:23,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:46:23,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-07-28 17:46:23,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-07-28 17:46:23,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:46:30,928 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:46:30,929 INFO L295 CfgBuilder]: Removed 18 assume(true) statements. [2020-07-28 17:46:30,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:46:30 BoogieIcfgContainer [2020-07-28 17:46:30,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:46:30,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:46:30,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:46:30,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:46:30,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:46:22" (1/3) ... [2020-07-28 17:46:30,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@521a26f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:46:30, skipping insertion in model container [2020-07-28 17:46:30,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:46:22" (2/3) ... [2020-07-28 17:46:30,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@521a26f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:46:30, skipping insertion in model container [2020-07-28 17:46:30,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:46:30" (3/3) ... [2020-07-28 17:46:30,943 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0620a.c [2020-07-28 17:46:30,952 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:46:30,960 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:46:30,974 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:46:30,999 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:46:30,999 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:46:30,999 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:46:31,000 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:46:31,000 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:46:31,000 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:46:31,000 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:46:31,000 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:46:31,014 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2020-07-28 17:46:31,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 17:46:31,021 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:46:31,023 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:46:31,023 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:46:31,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:46:31,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1030429181, now seen corresponding path program 1 times [2020-07-28 17:46:31,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:46:31,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1463343228] [2020-07-28 17:46:31,046 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 17:46:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:46:31,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-28 17:46:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:46:31,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:46:31,981 INFO L280 TraceCheckUtils]: 0: Hoare triple {40#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_floor~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));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)); {40#true} is VALID [2020-07-28 17:46:31,982 INFO L280 TraceCheckUtils]: 1: Hoare triple {40#true} havoc main_#res;havoc main_#t~ret27, main_#t~ret28, main_#t~short29, main_~x~0, main_~res~0;main_~x~0 := ~Pluszero~FLOAT();atan_float_#in~x := main_~x~0;havoc atan_float_#res;havoc atan_float_#t~mem4, atan_float_#t~union5, atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, atan_float_#t~mem6, atan_float_#t~mem7, atan_float_#t~mem8, atan_float_#t~mem9, atan_float_#t~ret10, atan_float_#t~mem16, atan_float_#t~mem15, atan_float_#t~mem14, atan_float_#t~mem13, atan_float_#t~mem12, atan_float_#t~mem11, atan_float_#t~mem21, atan_float_#t~mem20, atan_float_#t~mem19, atan_float_#t~mem18, atan_float_#t~mem17, atan_float_#t~mem23, atan_float_#t~mem22, atan_float_#t~ite24, atan_float_~x, atan_float_~w~0, atan_float_~s1~0, atan_float_~s2~0, atan_float_~z~0, atan_float_~ix~1, atan_float_~hx~0, atan_float_~id~0;atan_float_~x := atan_float_#in~x;havoc atan_float_~w~0;havoc atan_float_~s1~0;havoc atan_float_~s2~0;havoc atan_float_~z~0;havoc atan_float_~ix~1;havoc atan_float_~hx~0;havoc atan_float_~id~0; {40#true} is VALID [2020-07-28 17:46:31,983 INFO L280 TraceCheckUtils]: 2: Hoare triple {40#true} assume !true; {41#false} is VALID [2020-07-28 17:46:31,984 INFO L280 TraceCheckUtils]: 3: Hoare triple {41#false} atan_float_~ix~1 := ~bvand32(2147483647bv32, atan_float_~hx~0); {41#false} is VALID [2020-07-28 17:46:31,984 INFO L280 TraceCheckUtils]: 4: Hoare triple {41#false} assume ~bvsge32(atan_float_~ix~1, 1350565888bv32); {41#false} is VALID [2020-07-28 17:46:31,985 INFO L280 TraceCheckUtils]: 5: Hoare triple {41#false} assume ~bvsgt32(atan_float_~ix~1, 2139095040bv32);atan_float_#res := ~fp.add~FLOAT(currentRoundingMode, atan_float_~x, atan_float_~x); {41#false} is VALID [2020-07-28 17:46:31,985 INFO L280 TraceCheckUtils]: 6: Hoare triple {41#false} main_#t~ret27 := atan_float_#res;main_~res~0 := main_#t~ret27;havoc main_#t~ret27;main_#t~short29 := ~fp.eq~FLOAT(main_~res~0, ~Pluszero~FLOAT()); {41#false} is VALID [2020-07-28 17:46:31,986 INFO L280 TraceCheckUtils]: 7: Hoare triple {41#false} assume !main_#t~short29; {41#false} is VALID [2020-07-28 17:46:31,986 INFO L280 TraceCheckUtils]: 8: Hoare triple {41#false} assume !main_#t~short29;havoc main_#t~short29;havoc main_#t~ret28; {41#false} is VALID [2020-07-28 17:46:31,986 INFO L280 TraceCheckUtils]: 9: Hoare triple {41#false} assume !false; {41#false} is VALID [2020-07-28 17:46:31,989 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 17:46:31,990 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:46:32,003 INFO L280 TraceCheckUtils]: 9: Hoare triple {41#false} assume !false; {41#false} is VALID [2020-07-28 17:46:32,004 INFO L280 TraceCheckUtils]: 8: Hoare triple {41#false} assume !main_#t~short29;havoc main_#t~short29;havoc main_#t~ret28; {41#false} is VALID [2020-07-28 17:46:32,004 INFO L280 TraceCheckUtils]: 7: Hoare triple {41#false} assume !main_#t~short29; {41#false} is VALID [2020-07-28 17:46:32,005 INFO L280 TraceCheckUtils]: 6: Hoare triple {41#false} main_#t~ret27 := atan_float_#res;main_~res~0 := main_#t~ret27;havoc main_#t~ret27;main_#t~short29 := ~fp.eq~FLOAT(main_~res~0, ~Pluszero~FLOAT()); {41#false} is VALID [2020-07-28 17:46:32,005 INFO L280 TraceCheckUtils]: 5: Hoare triple {41#false} assume ~bvsgt32(atan_float_~ix~1, 2139095040bv32);atan_float_#res := ~fp.add~FLOAT(currentRoundingMode, atan_float_~x, atan_float_~x); {41#false} is VALID [2020-07-28 17:46:32,006 INFO L280 TraceCheckUtils]: 4: Hoare triple {41#false} assume ~bvsge32(atan_float_~ix~1, 1350565888bv32); {41#false} is VALID [2020-07-28 17:46:32,006 INFO L280 TraceCheckUtils]: 3: Hoare triple {41#false} atan_float_~ix~1 := ~bvand32(2147483647bv32, atan_float_~hx~0); {41#false} is VALID [2020-07-28 17:46:32,007 INFO L280 TraceCheckUtils]: 2: Hoare triple {40#true} assume !true; {41#false} is VALID [2020-07-28 17:46:32,008 INFO L280 TraceCheckUtils]: 1: Hoare triple {40#true} havoc main_#res;havoc main_#t~ret27, main_#t~ret28, main_#t~short29, main_~x~0, main_~res~0;main_~x~0 := ~Pluszero~FLOAT();atan_float_#in~x := main_~x~0;havoc atan_float_#res;havoc atan_float_#t~mem4, atan_float_#t~union5, atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, atan_float_#t~mem6, atan_float_#t~mem7, atan_float_#t~mem8, atan_float_#t~mem9, atan_float_#t~ret10, atan_float_#t~mem16, atan_float_#t~mem15, atan_float_#t~mem14, atan_float_#t~mem13, atan_float_#t~mem12, atan_float_#t~mem11, atan_float_#t~mem21, atan_float_#t~mem20, atan_float_#t~mem19, atan_float_#t~mem18, atan_float_#t~mem17, atan_float_#t~mem23, atan_float_#t~mem22, atan_float_#t~ite24, atan_float_~x, atan_float_~w~0, atan_float_~s1~0, atan_float_~s2~0, atan_float_~z~0, atan_float_~ix~1, atan_float_~hx~0, atan_float_~id~0;atan_float_~x := atan_float_#in~x;havoc atan_float_~w~0;havoc atan_float_~s1~0;havoc atan_float_~s2~0;havoc atan_float_~z~0;havoc atan_float_~ix~1;havoc atan_float_~hx~0;havoc atan_float_~id~0; {40#true} is VALID [2020-07-28 17:46:32,008 INFO L280 TraceCheckUtils]: 0: Hoare triple {40#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_floor~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));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)); {40#true} is VALID [2020-07-28 17:46:32,009 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 17:46:32,010 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1463343228] [2020-07-28 17:46:32,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:46:32,012 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-07-28 17:46:32,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763472895] [2020-07-28 17:46:32,020 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-07-28 17:46:32,022 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:46:32,026 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:46:32,078 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:46:32,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:46:32,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:46:32,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:46:32,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:46:32,092 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2020-07-28 17:46:38,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:46:38,492 INFO L93 Difference]: Finished difference Result 72 states and 112 transitions. [2020-07-28 17:46:38,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:46:38,493 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-07-28 17:46:38,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:46:38,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:46:38,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 112 transitions. [2020-07-28 17:46:38,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:46:38,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 112 transitions. [2020-07-28 17:46:38,514 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 112 transitions. [2020-07-28 17:46:41,729 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 112 edges. 112 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:46:41,742 INFO L225 Difference]: With dead ends: 72 [2020-07-28 17:46:41,742 INFO L226 Difference]: Without dead ends: 34 [2020-07-28 17:46:41,746 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 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 17:46:41,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-07-28 17:46:41,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2020-07-28 17:46:41,791 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:46:41,792 INFO L82 GeneralOperation]: Start isEquivalent. First operand 34 states. Second operand 34 states. [2020-07-28 17:46:41,792 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand 34 states. [2020-07-28 17:46:41,793 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 34 states. [2020-07-28 17:46:41,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:46:41,797 INFO L93 Difference]: Finished difference Result 34 states and 45 transitions. [2020-07-28 17:46:41,798 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2020-07-28 17:46:41,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:46:41,798 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:46:41,799 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand 34 states. [2020-07-28 17:46:41,799 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 34 states. [2020-07-28 17:46:41,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:46:41,803 INFO L93 Difference]: Finished difference Result 34 states and 45 transitions. [2020-07-28 17:46:41,803 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2020-07-28 17:46:41,803 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:46:41,804 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:46:41,804 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:46:41,804 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:46:41,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-07-28 17:46:41,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2020-07-28 17:46:41,809 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 10 [2020-07-28 17:46:41,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:46:41,810 INFO L479 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2020-07-28 17:46:41,810 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:46:41,810 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2020-07-28 17:46:41,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 17:46:41,811 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:46:41,811 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:46:42,024 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-28 17:46:42,025 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:46:42,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:46:42,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1304878016, now seen corresponding path program 1 times [2020-07-28 17:46:42,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:46:42,026 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1360666873] [2020-07-28 17:46:42,026 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 17:46:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:46:42,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-28 17:46:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:46:42,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:46:42,994 INFO L280 TraceCheckUtils]: 0: Hoare triple {292#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_floor~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));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)); {292#true} is VALID [2020-07-28 17:46:42,995 INFO L280 TraceCheckUtils]: 1: Hoare triple {292#true} havoc main_#res;havoc main_#t~ret27, main_#t~ret28, main_#t~short29, main_~x~0, main_~res~0;main_~x~0 := ~Pluszero~FLOAT();atan_float_#in~x := main_~x~0;havoc atan_float_#res;havoc atan_float_#t~mem4, atan_float_#t~union5, atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, atan_float_#t~mem6, atan_float_#t~mem7, atan_float_#t~mem8, atan_float_#t~mem9, atan_float_#t~ret10, atan_float_#t~mem16, atan_float_#t~mem15, atan_float_#t~mem14, atan_float_#t~mem13, atan_float_#t~mem12, atan_float_#t~mem11, atan_float_#t~mem21, atan_float_#t~mem20, atan_float_#t~mem19, atan_float_#t~mem18, atan_float_#t~mem17, atan_float_#t~mem23, atan_float_#t~mem22, atan_float_#t~ite24, atan_float_~x, atan_float_~w~0, atan_float_~s1~0, atan_float_~s2~0, atan_float_~z~0, atan_float_~ix~1, atan_float_~hx~0, atan_float_~id~0;atan_float_~x := atan_float_#in~x;havoc atan_float_~w~0;havoc atan_float_~s1~0;havoc atan_float_~s2~0;havoc atan_float_~z~0;havoc atan_float_~ix~1;havoc atan_float_~hx~0;havoc atan_float_~id~0; {300#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:46:43,000 INFO L280 TraceCheckUtils]: 2: Hoare triple {300#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} call atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(atan_float_~x, atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, 4bv32);call atan_float_#t~mem4 := read~intINTTYPE4(atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, 4bv32);atan_float_~hx~0 := atan_float_#t~mem4;call write~intFLOATTYPE4(atan_float_#t~union5, atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, 4bv32);havoc atan_float_#t~mem4;havoc atan_float_#t~union5;call ULTIMATE.dealloc(atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset);havoc atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset; {304#(= (fp ((_ extract 31 31) ULTIMATE.start_atan_float_~hx~0) ((_ extract 30 23) ULTIMATE.start_atan_float_~hx~0) ((_ extract 22 0) ULTIMATE.start_atan_float_~hx~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:46:43,001 INFO L280 TraceCheckUtils]: 3: Hoare triple {304#(= (fp ((_ extract 31 31) ULTIMATE.start_atan_float_~hx~0) ((_ extract 30 23) ULTIMATE.start_atan_float_~hx~0) ((_ extract 22 0) ULTIMATE.start_atan_float_~hx~0)) (_ +zero 8 24))} goto; {304#(= (fp ((_ extract 31 31) ULTIMATE.start_atan_float_~hx~0) ((_ extract 30 23) ULTIMATE.start_atan_float_~hx~0) ((_ extract 22 0) ULTIMATE.start_atan_float_~hx~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:46:43,004 INFO L280 TraceCheckUtils]: 4: Hoare triple {304#(= (fp ((_ extract 31 31) ULTIMATE.start_atan_float_~hx~0) ((_ extract 30 23) ULTIMATE.start_atan_float_~hx~0) ((_ extract 22 0) ULTIMATE.start_atan_float_~hx~0)) (_ +zero 8 24))} atan_float_~ix~1 := ~bvand32(2147483647bv32, atan_float_~hx~0); {311#(exists ((ULTIMATE.start_atan_float_~hx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start_atan_float_~hx~0) ((_ extract 30 23) ULTIMATE.start_atan_float_~hx~0) ((_ extract 22 0) ULTIMATE.start_atan_float_~hx~0)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) ULTIMATE.start_atan_float_~hx~0) ULTIMATE.start_atan_float_~ix~1)))} is VALID [2020-07-28 17:46:43,007 INFO L280 TraceCheckUtils]: 5: Hoare triple {311#(exists ((ULTIMATE.start_atan_float_~hx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start_atan_float_~hx~0) ((_ extract 30 23) ULTIMATE.start_atan_float_~hx~0) ((_ extract 22 0) ULTIMATE.start_atan_float_~hx~0)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) ULTIMATE.start_atan_float_~hx~0) ULTIMATE.start_atan_float_~ix~1)))} assume ~bvsge32(atan_float_~ix~1, 1350565888bv32); {293#false} is VALID [2020-07-28 17:46:43,007 INFO L280 TraceCheckUtils]: 6: Hoare triple {293#false} assume ~bvsgt32(atan_float_~ix~1, 2139095040bv32);atan_float_#res := ~fp.add~FLOAT(currentRoundingMode, atan_float_~x, atan_float_~x); {293#false} is VALID [2020-07-28 17:46:43,008 INFO L280 TraceCheckUtils]: 7: Hoare triple {293#false} main_#t~ret27 := atan_float_#res;main_~res~0 := main_#t~ret27;havoc main_#t~ret27;main_#t~short29 := ~fp.eq~FLOAT(main_~res~0, ~Pluszero~FLOAT()); {293#false} is VALID [2020-07-28 17:46:43,008 INFO L280 TraceCheckUtils]: 8: Hoare triple {293#false} assume !main_#t~short29; {293#false} is VALID [2020-07-28 17:46:43,009 INFO L280 TraceCheckUtils]: 9: Hoare triple {293#false} assume !main_#t~short29;havoc main_#t~short29;havoc main_#t~ret28; {293#false} is VALID [2020-07-28 17:46:43,009 INFO L280 TraceCheckUtils]: 10: Hoare triple {293#false} assume !false; {293#false} is VALID [2020-07-28 17:46:43,012 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 17:46:43,014 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:46:43,143 INFO L280 TraceCheckUtils]: 10: Hoare triple {293#false} assume !false; {293#false} is VALID [2020-07-28 17:46:43,143 INFO L280 TraceCheckUtils]: 9: Hoare triple {293#false} assume !main_#t~short29;havoc main_#t~short29;havoc main_#t~ret28; {293#false} is VALID [2020-07-28 17:46:43,143 INFO L280 TraceCheckUtils]: 8: Hoare triple {293#false} assume !main_#t~short29; {293#false} is VALID [2020-07-28 17:46:43,144 INFO L280 TraceCheckUtils]: 7: Hoare triple {293#false} main_#t~ret27 := atan_float_#res;main_~res~0 := main_#t~ret27;havoc main_#t~ret27;main_#t~short29 := ~fp.eq~FLOAT(main_~res~0, ~Pluszero~FLOAT()); {293#false} is VALID [2020-07-28 17:46:43,144 INFO L280 TraceCheckUtils]: 6: Hoare triple {293#false} assume ~bvsgt32(atan_float_~ix~1, 2139095040bv32);atan_float_#res := ~fp.add~FLOAT(currentRoundingMode, atan_float_~x, atan_float_~x); {293#false} is VALID [2020-07-28 17:46:43,145 INFO L280 TraceCheckUtils]: 5: Hoare triple {345#(not (bvsge ULTIMATE.start_atan_float_~ix~1 (_ bv1350565888 32)))} assume ~bvsge32(atan_float_~ix~1, 1350565888bv32); {293#false} is VALID [2020-07-28 17:46:43,147 INFO L280 TraceCheckUtils]: 4: Hoare triple {349#(not (bvsge (bvand (_ bv2147483647 32) ULTIMATE.start_atan_float_~hx~0) (_ bv1350565888 32)))} atan_float_~ix~1 := ~bvand32(2147483647bv32, atan_float_~hx~0); {345#(not (bvsge ULTIMATE.start_atan_float_~ix~1 (_ bv1350565888 32)))} is VALID [2020-07-28 17:46:43,148 INFO L280 TraceCheckUtils]: 3: Hoare triple {349#(not (bvsge (bvand (_ bv2147483647 32) ULTIMATE.start_atan_float_~hx~0) (_ bv1350565888 32)))} goto; {349#(not (bvsge (bvand (_ bv2147483647 32) ULTIMATE.start_atan_float_~hx~0) (_ bv1350565888 32)))} is VALID [2020-07-28 17:46:43,152 INFO L280 TraceCheckUtils]: 2: Hoare triple {356#(forall ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 32))) (or (not (bvsge (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_9|) (_ bv1350565888 32))) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_9|)) ULTIMATE.start_atan_float_~x))))} call atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(atan_float_~x, atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, 4bv32);call atan_float_#t~mem4 := read~intINTTYPE4(atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, 4bv32);atan_float_~hx~0 := atan_float_#t~mem4;call write~intFLOATTYPE4(atan_float_#t~union5, atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, 4bv32);havoc atan_float_#t~mem4;havoc atan_float_#t~union5;call ULTIMATE.dealloc(atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset);havoc atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset; {349#(not (bvsge (bvand (_ bv2147483647 32) ULTIMATE.start_atan_float_~hx~0) (_ bv1350565888 32)))} is VALID [2020-07-28 17:46:43,155 INFO L280 TraceCheckUtils]: 1: Hoare triple {292#true} havoc main_#res;havoc main_#t~ret27, main_#t~ret28, main_#t~short29, main_~x~0, main_~res~0;main_~x~0 := ~Pluszero~FLOAT();atan_float_#in~x := main_~x~0;havoc atan_float_#res;havoc atan_float_#t~mem4, atan_float_#t~union5, atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, atan_float_#t~mem6, atan_float_#t~mem7, atan_float_#t~mem8, atan_float_#t~mem9, atan_float_#t~ret10, atan_float_#t~mem16, atan_float_#t~mem15, atan_float_#t~mem14, atan_float_#t~mem13, atan_float_#t~mem12, atan_float_#t~mem11, atan_float_#t~mem21, atan_float_#t~mem20, atan_float_#t~mem19, atan_float_#t~mem18, atan_float_#t~mem17, atan_float_#t~mem23, atan_float_#t~mem22, atan_float_#t~ite24, atan_float_~x, atan_float_~w~0, atan_float_~s1~0, atan_float_~s2~0, atan_float_~z~0, atan_float_~ix~1, atan_float_~hx~0, atan_float_~id~0;atan_float_~x := atan_float_#in~x;havoc atan_float_~w~0;havoc atan_float_~s1~0;havoc atan_float_~s2~0;havoc atan_float_~z~0;havoc atan_float_~ix~1;havoc atan_float_~hx~0;havoc atan_float_~id~0; {356#(forall ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 32))) (or (not (bvsge (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_9|) (_ bv1350565888 32))) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_9|)) ULTIMATE.start_atan_float_~x))))} is VALID [2020-07-28 17:46:43,155 INFO L280 TraceCheckUtils]: 0: Hoare triple {292#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_floor~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));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)); {292#true} is VALID [2020-07-28 17:46:43,157 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 17:46:43,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1360666873] [2020-07-28 17:46:43,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:46:43,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-07-28 17:46:43,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743694090] [2020-07-28 17:46:43,161 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2020-07-28 17:46:43,161 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:46:43,164 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-28 17:46:43,250 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:46:43,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-28 17:46:43,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:46:43,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-28 17:46:43,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-28 17:46:43,252 INFO L87 Difference]: Start difference. First operand 34 states and 45 transitions. Second operand 8 states. [2020-07-28 17:47:00,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:47:00,042 INFO L93 Difference]: Finished difference Result 57 states and 70 transitions. [2020-07-28 17:47:00,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 17:47:00,043 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2020-07-28 17:47:00,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:47:00,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 17:47:00,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 70 transitions. [2020-07-28 17:47:00,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 17:47:00,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 70 transitions. [2020-07-28 17:47:00,050 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 70 transitions. [2020-07-28 17:47:02,248 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:47:02,250 INFO L225 Difference]: With dead ends: 57 [2020-07-28 17:47:02,250 INFO L226 Difference]: Without dead ends: 32 [2020-07-28 17:47:02,252 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-07-28 17:47:02,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-07-28 17:47:02,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2020-07-28 17:47:02,260 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:47:02,260 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand 23 states. [2020-07-28 17:47:02,260 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 23 states. [2020-07-28 17:47:02,260 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 23 states. [2020-07-28 17:47:02,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:47:02,263 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2020-07-28 17:47:02,263 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2020-07-28 17:47:02,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:47:02,264 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:47:02,264 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 32 states. [2020-07-28 17:47:02,264 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 32 states. [2020-07-28 17:47:02,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:47:02,266 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2020-07-28 17:47:02,267 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2020-07-28 17:47:02,267 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:47:02,267 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:47:02,268 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:47:02,268 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:47:02,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-07-28 17:47:02,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2020-07-28 17:47:02,269 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 11 [2020-07-28 17:47:02,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:47:02,270 INFO L479 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2020-07-28 17:47:02,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-28 17:47:02,270 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2020-07-28 17:47:02,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 17:47:02,271 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:47:02,271 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:47:02,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-07-28 17:47:02,476 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:47:02,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:47:02,478 INFO L82 PathProgramCache]: Analyzing trace with hash -413875709, now seen corresponding path program 1 times [2020-07-28 17:47:02,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:47:02,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1018153116] [2020-07-28 17:47:02,480 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 17:47:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:47:03,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-28 17:47:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:47:03,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:47:03,373 INFO L280 TraceCheckUtils]: 0: Hoare triple {526#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_floor~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));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)); {526#true} is VALID [2020-07-28 17:47:03,374 INFO L280 TraceCheckUtils]: 1: Hoare triple {526#true} havoc main_#res;havoc main_#t~ret27, main_#t~ret28, main_#t~short29, main_~x~0, main_~res~0;main_~x~0 := ~Pluszero~FLOAT();atan_float_#in~x := main_~x~0;havoc atan_float_#res;havoc atan_float_#t~mem4, atan_float_#t~union5, atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, atan_float_#t~mem6, atan_float_#t~mem7, atan_float_#t~mem8, atan_float_#t~mem9, atan_float_#t~ret10, atan_float_#t~mem16, atan_float_#t~mem15, atan_float_#t~mem14, atan_float_#t~mem13, atan_float_#t~mem12, atan_float_#t~mem11, atan_float_#t~mem21, atan_float_#t~mem20, atan_float_#t~mem19, atan_float_#t~mem18, atan_float_#t~mem17, atan_float_#t~mem23, atan_float_#t~mem22, atan_float_#t~ite24, atan_float_~x, atan_float_~w~0, atan_float_~s1~0, atan_float_~s2~0, atan_float_~z~0, atan_float_~ix~1, atan_float_~hx~0, atan_float_~id~0;atan_float_~x := atan_float_#in~x;havoc atan_float_~w~0;havoc atan_float_~s1~0;havoc atan_float_~s2~0;havoc atan_float_~z~0;havoc atan_float_~ix~1;havoc atan_float_~hx~0;havoc atan_float_~id~0; {534#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:47:03,375 INFO L280 TraceCheckUtils]: 2: Hoare triple {534#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} call atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(atan_float_~x, atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, 4bv32);call atan_float_#t~mem4 := read~intINTTYPE4(atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, 4bv32);atan_float_~hx~0 := atan_float_#t~mem4;call write~intFLOATTYPE4(atan_float_#t~union5, atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, 4bv32);havoc atan_float_#t~mem4;havoc atan_float_#t~union5;call ULTIMATE.dealloc(atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset);havoc atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset; {534#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:47:03,375 INFO L280 TraceCheckUtils]: 3: Hoare triple {534#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} goto; {534#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:47:03,376 INFO L280 TraceCheckUtils]: 4: Hoare triple {534#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} atan_float_~ix~1 := ~bvand32(2147483647bv32, atan_float_~hx~0); {534#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:47:03,379 INFO L280 TraceCheckUtils]: 5: Hoare triple {534#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} assume !~bvsge32(atan_float_~ix~1, 1350565888bv32); {534#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:47:03,383 INFO L280 TraceCheckUtils]: 6: Hoare triple {534#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} assume ~bvslt32(atan_float_~ix~1, 1054867456bv32); {534#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:47:03,384 INFO L280 TraceCheckUtils]: 7: Hoare triple {534#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} assume ~bvslt32(atan_float_~ix~1, 822083584bv32); {534#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:47:03,385 INFO L280 TraceCheckUtils]: 8: Hoare triple {534#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} assume ~fp.gt~FLOAT(~fp.add~FLOAT(currentRoundingMode, ~huge_atan~0, atan_float_~x), ~one_atan~0);atan_float_#res := atan_float_~x; {556#(= (_ +zero 8 24) |ULTIMATE.start_atan_float_#res|)} is VALID [2020-07-28 17:47:03,386 INFO L280 TraceCheckUtils]: 9: Hoare triple {556#(= (_ +zero 8 24) |ULTIMATE.start_atan_float_#res|)} main_#t~ret27 := atan_float_#res;main_~res~0 := main_#t~ret27;havoc main_#t~ret27;main_#t~short29 := ~fp.eq~FLOAT(main_~res~0, ~Pluszero~FLOAT()); {560#|ULTIMATE.start_main_#t~short29|} is VALID [2020-07-28 17:47:03,391 INFO L280 TraceCheckUtils]: 10: Hoare triple {560#|ULTIMATE.start_main_#t~short29|} assume !main_#t~short29; {527#false} is VALID [2020-07-28 17:47:03,394 INFO L280 TraceCheckUtils]: 11: Hoare triple {527#false} assume !main_#t~short29;havoc main_#t~short29;havoc main_#t~ret28; {527#false} is VALID [2020-07-28 17:47:03,395 INFO L280 TraceCheckUtils]: 12: Hoare triple {527#false} assume !false; {527#false} is VALID [2020-07-28 17:47:03,395 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 17:47:03,396 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:47:03,475 INFO L280 TraceCheckUtils]: 12: Hoare triple {527#false} assume !false; {527#false} is VALID [2020-07-28 17:47:03,476 INFO L280 TraceCheckUtils]: 11: Hoare triple {527#false} assume !main_#t~short29;havoc main_#t~short29;havoc main_#t~ret28; {527#false} is VALID [2020-07-28 17:47:03,478 INFO L280 TraceCheckUtils]: 10: Hoare triple {560#|ULTIMATE.start_main_#t~short29|} assume !main_#t~short29; {527#false} is VALID [2020-07-28 17:47:03,480 INFO L280 TraceCheckUtils]: 9: Hoare triple {579#(fp.eq |ULTIMATE.start_atan_float_#res| (_ +zero 8 24))} main_#t~ret27 := atan_float_#res;main_~res~0 := main_#t~ret27;havoc main_#t~ret27;main_#t~short29 := ~fp.eq~FLOAT(main_~res~0, ~Pluszero~FLOAT()); {560#|ULTIMATE.start_main_#t~short29|} is VALID [2020-07-28 17:47:03,482 INFO L280 TraceCheckUtils]: 8: Hoare triple {583#(fp.eq ULTIMATE.start_atan_float_~x (_ +zero 8 24))} assume ~fp.gt~FLOAT(~fp.add~FLOAT(currentRoundingMode, ~huge_atan~0, atan_float_~x), ~one_atan~0);atan_float_#res := atan_float_~x; {579#(fp.eq |ULTIMATE.start_atan_float_#res| (_ +zero 8 24))} is VALID [2020-07-28 17:47:03,483 INFO L280 TraceCheckUtils]: 7: Hoare triple {583#(fp.eq ULTIMATE.start_atan_float_~x (_ +zero 8 24))} assume ~bvslt32(atan_float_~ix~1, 822083584bv32); {583#(fp.eq ULTIMATE.start_atan_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:47:03,486 INFO L280 TraceCheckUtils]: 6: Hoare triple {583#(fp.eq ULTIMATE.start_atan_float_~x (_ +zero 8 24))} assume ~bvslt32(atan_float_~ix~1, 1054867456bv32); {583#(fp.eq ULTIMATE.start_atan_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:47:03,487 INFO L280 TraceCheckUtils]: 5: Hoare triple {583#(fp.eq ULTIMATE.start_atan_float_~x (_ +zero 8 24))} assume !~bvsge32(atan_float_~ix~1, 1350565888bv32); {583#(fp.eq ULTIMATE.start_atan_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:47:03,490 INFO L280 TraceCheckUtils]: 4: Hoare triple {583#(fp.eq ULTIMATE.start_atan_float_~x (_ +zero 8 24))} atan_float_~ix~1 := ~bvand32(2147483647bv32, atan_float_~hx~0); {583#(fp.eq ULTIMATE.start_atan_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:47:03,498 INFO L280 TraceCheckUtils]: 3: Hoare triple {583#(fp.eq ULTIMATE.start_atan_float_~x (_ +zero 8 24))} goto; {583#(fp.eq ULTIMATE.start_atan_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:47:03,500 INFO L280 TraceCheckUtils]: 2: Hoare triple {583#(fp.eq ULTIMATE.start_atan_float_~x (_ +zero 8 24))} call atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(atan_float_~x, atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, 4bv32);call atan_float_#t~mem4 := read~intINTTYPE4(atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, 4bv32);atan_float_~hx~0 := atan_float_#t~mem4;call write~intFLOATTYPE4(atan_float_#t~union5, atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, 4bv32);havoc atan_float_#t~mem4;havoc atan_float_#t~union5;call ULTIMATE.dealloc(atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset);havoc atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset; {583#(fp.eq ULTIMATE.start_atan_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:47:03,501 INFO L280 TraceCheckUtils]: 1: Hoare triple {526#true} havoc main_#res;havoc main_#t~ret27, main_#t~ret28, main_#t~short29, main_~x~0, main_~res~0;main_~x~0 := ~Pluszero~FLOAT();atan_float_#in~x := main_~x~0;havoc atan_float_#res;havoc atan_float_#t~mem4, atan_float_#t~union5, atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, atan_float_#t~mem6, atan_float_#t~mem7, atan_float_#t~mem8, atan_float_#t~mem9, atan_float_#t~ret10, atan_float_#t~mem16, atan_float_#t~mem15, atan_float_#t~mem14, atan_float_#t~mem13, atan_float_#t~mem12, atan_float_#t~mem11, atan_float_#t~mem21, atan_float_#t~mem20, atan_float_#t~mem19, atan_float_#t~mem18, atan_float_#t~mem17, atan_float_#t~mem23, atan_float_#t~mem22, atan_float_#t~ite24, atan_float_~x, atan_float_~w~0, atan_float_~s1~0, atan_float_~s2~0, atan_float_~z~0, atan_float_~ix~1, atan_float_~hx~0, atan_float_~id~0;atan_float_~x := atan_float_#in~x;havoc atan_float_~w~0;havoc atan_float_~s1~0;havoc atan_float_~s2~0;havoc atan_float_~z~0;havoc atan_float_~ix~1;havoc atan_float_~hx~0;havoc atan_float_~id~0; {583#(fp.eq ULTIMATE.start_atan_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:47:03,501 INFO L280 TraceCheckUtils]: 0: Hoare triple {526#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_floor~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));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)); {526#true} is VALID [2020-07-28 17:47:03,502 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 17:47:03,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1018153116] [2020-07-28 17:47:03,503 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:47:03,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2020-07-28 17:47:03,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398864367] [2020-07-28 17:47:03,504 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2020-07-28 17:47:03,504 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:47:03,504 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-28 17:47:03,595 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 17:47:03,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-28 17:47:03,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:47:03,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-28 17:47:03,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-28 17:47:03,597 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand 7 states. [2020-07-28 17:47:17,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:47:17,979 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2020-07-28 17:47:17,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 17:47:17,979 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2020-07-28 17:47:17,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:47:17,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 17:47:17,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 37 transitions. [2020-07-28 17:47:17,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 17:47:17,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 37 transitions. [2020-07-28 17:47:17,984 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 37 transitions. [2020-07-28 17:47:18,818 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:47:18,819 INFO L225 Difference]: With dead ends: 35 [2020-07-28 17:47:18,819 INFO L226 Difference]: Without dead ends: 32 [2020-07-28 17:47:18,820 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 17:47:18,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-07-28 17:47:18,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 25. [2020-07-28 17:47:18,831 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:47:18,831 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand 25 states. [2020-07-28 17:47:18,831 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 25 states. [2020-07-28 17:47:18,831 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 25 states. [2020-07-28 17:47:18,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:47:18,833 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2020-07-28 17:47:18,834 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2020-07-28 17:47:18,834 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:47:18,834 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:47:18,834 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 32 states. [2020-07-28 17:47:18,835 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 32 states. [2020-07-28 17:47:18,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:47:18,837 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2020-07-28 17:47:18,837 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2020-07-28 17:47:18,837 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:47:18,837 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:47:18,837 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:47:18,838 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:47:18,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-07-28 17:47:18,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2020-07-28 17:47:18,839 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 13 [2020-07-28 17:47:18,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:47:18,839 INFO L479 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2020-07-28 17:47:18,839 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-28 17:47:18,840 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2020-07-28 17:47:18,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 17:47:18,840 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:47:18,840 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:47:19,050 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-07-28 17:47:19,052 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:47:19,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:47:19,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1848532469, now seen corresponding path program 1 times [2020-07-28 17:47:19,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:47:19,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [746059278] [2020-07-28 17:47:19,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-07-28 17:47:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:47:20,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-28 17:47:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:47:20,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:47:21,028 INFO L280 TraceCheckUtils]: 0: Hoare triple {747#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_floor~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));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)); {752#(and (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0))) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:47:21,030 INFO L280 TraceCheckUtils]: 1: Hoare triple {752#(and (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0))) (= currentRoundingMode roundNearestTiesToEven))} havoc main_#res;havoc main_#t~ret27, main_#t~ret28, main_#t~short29, main_~x~0, main_~res~0;main_~x~0 := ~Pluszero~FLOAT();atan_float_#in~x := main_~x~0;havoc atan_float_#res;havoc atan_float_#t~mem4, atan_float_#t~union5, atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, atan_float_#t~mem6, atan_float_#t~mem7, atan_float_#t~mem8, atan_float_#t~mem9, atan_float_#t~ret10, atan_float_#t~mem16, atan_float_#t~mem15, atan_float_#t~mem14, atan_float_#t~mem13, atan_float_#t~mem12, atan_float_#t~mem11, atan_float_#t~mem21, atan_float_#t~mem20, atan_float_#t~mem19, atan_float_#t~mem18, atan_float_#t~mem17, atan_float_#t~mem23, atan_float_#t~mem22, atan_float_#t~ite24, atan_float_~x, atan_float_~w~0, atan_float_~s1~0, atan_float_~s2~0, atan_float_~z~0, atan_float_~ix~1, atan_float_~hx~0, atan_float_~id~0;atan_float_~x := atan_float_#in~x;havoc atan_float_~w~0;havoc atan_float_~s1~0;havoc atan_float_~s2~0;havoc atan_float_~z~0;havoc atan_float_~ix~1;havoc atan_float_~hx~0;havoc atan_float_~id~0; {756#(and (= ULTIMATE.start_atan_float_~x (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0))) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:47:21,032 INFO L280 TraceCheckUtils]: 2: Hoare triple {756#(and (= ULTIMATE.start_atan_float_~x (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0))) (= currentRoundingMode roundNearestTiesToEven))} call atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(atan_float_~x, atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, 4bv32);call atan_float_#t~mem4 := read~intINTTYPE4(atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, 4bv32);atan_float_~hx~0 := atan_float_#t~mem4;call write~intFLOATTYPE4(atan_float_#t~union5, atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, 4bv32);havoc atan_float_#t~mem4;havoc atan_float_#t~union5;call ULTIMATE.dealloc(atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset);havoc atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset; {756#(and (= ULTIMATE.start_atan_float_~x (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0))) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:47:21,034 INFO L280 TraceCheckUtils]: 3: Hoare triple {756#(and (= ULTIMATE.start_atan_float_~x (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0))) (= currentRoundingMode roundNearestTiesToEven))} goto; {756#(and (= ULTIMATE.start_atan_float_~x (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0))) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:47:21,035 INFO L280 TraceCheckUtils]: 4: Hoare triple {756#(and (= ULTIMATE.start_atan_float_~x (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0))) (= currentRoundingMode roundNearestTiesToEven))} atan_float_~ix~1 := ~bvand32(2147483647bv32, atan_float_~hx~0); {756#(and (= ULTIMATE.start_atan_float_~x (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0))) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:47:21,037 INFO L280 TraceCheckUtils]: 5: Hoare triple {756#(and (= ULTIMATE.start_atan_float_~x (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0))) (= currentRoundingMode roundNearestTiesToEven))} assume !~bvsge32(atan_float_~ix~1, 1350565888bv32); {756#(and (= ULTIMATE.start_atan_float_~x (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0))) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:47:21,038 INFO L280 TraceCheckUtils]: 6: Hoare triple {756#(and (= ULTIMATE.start_atan_float_~x (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0))) (= currentRoundingMode roundNearestTiesToEven))} assume ~bvslt32(atan_float_~ix~1, 1054867456bv32); {756#(and (= ULTIMATE.start_atan_float_~x (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0))) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:47:21,040 INFO L280 TraceCheckUtils]: 7: Hoare triple {756#(and (= ULTIMATE.start_atan_float_~x (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0))) (= currentRoundingMode roundNearestTiesToEven))} assume ~bvslt32(atan_float_~ix~1, 822083584bv32); {756#(and (= ULTIMATE.start_atan_float_~x (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0))) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:47:21,041 INFO L280 TraceCheckUtils]: 8: Hoare triple {756#(and (= ULTIMATE.start_atan_float_~x (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0))) (= currentRoundingMode roundNearestTiesToEven))} assume !~fp.gt~FLOAT(~fp.add~FLOAT(currentRoundingMode, ~huge_atan~0, atan_float_~x), ~one_atan~0); {748#false} is VALID [2020-07-28 17:47:21,042 INFO L280 TraceCheckUtils]: 9: Hoare triple {748#false} atan_float_~id~0 := 4294967295bv32; {748#false} is VALID [2020-07-28 17:47:21,042 INFO L280 TraceCheckUtils]: 10: Hoare triple {748#false} atan_float_~z~0 := ~fp.mul~FLOAT(currentRoundingMode, atan_float_~x, atan_float_~x);atan_float_~w~0 := ~fp.mul~FLOAT(currentRoundingMode, atan_float_~z~0, atan_float_~z~0);call atan_float_#t~mem16 := read~intFLOATTYPE4(~#aT_atan~0.base, ~#aT_atan~0.offset, 4bv32);call atan_float_#t~mem15 := read~intFLOATTYPE4(~#aT_atan~0.base, ~bvadd32(8bv32, ~#aT_atan~0.offset), 4bv32);call atan_float_#t~mem14 := read~intFLOATTYPE4(~#aT_atan~0.base, ~bvadd32(16bv32, ~#aT_atan~0.offset), 4bv32);call atan_float_#t~mem13 := read~intFLOATTYPE4(~#aT_atan~0.base, ~bvadd32(24bv32, ~#aT_atan~0.offset), 4bv32);call atan_float_#t~mem12 := read~intFLOATTYPE4(~#aT_atan~0.base, ~bvadd32(32bv32, ~#aT_atan~0.offset), 4bv32);call atan_float_#t~mem11 := read~intFLOATTYPE4(~#aT_atan~0.base, ~bvadd32(40bv32, ~#aT_atan~0.offset), 4bv32);atan_float_~s1~0 := ~fp.mul~FLOAT(currentRoundingMode, atan_float_~z~0, ~fp.add~FLOAT(currentRoundingMode, atan_float_#t~mem16, ~fp.mul~FLOAT(currentRoundingMode, atan_float_~w~0, ~fp.add~FLOAT(currentRoundingMode, atan_float_#t~mem15, ~fp.mul~FLOAT(currentRoundingMode, atan_float_~w~0, ~fp.add~FLOAT(currentRoundingMode, atan_float_#t~mem14, ~fp.mul~FLOAT(currentRoundingMode, atan_float_~w~0, ~fp.add~FLOAT(currentRoundingMode, atan_float_#t~mem13, ~fp.mul~FLOAT(currentRoundingMode, atan_float_~w~0, ~fp.add~FLOAT(currentRoundingMode, atan_float_#t~mem12, ~fp.mul~FLOAT(currentRoundingMode, atan_float_~w~0, atan_float_#t~mem11)))))))))));havoc atan_float_#t~mem12;havoc atan_float_#t~mem16;havoc atan_float_#t~mem13;havoc atan_float_#t~mem14;havoc atan_float_#t~mem11;havoc atan_float_#t~mem15;call atan_float_#t~mem21 := read~intFLOATTYPE4(~#aT_atan~0.base, ~bvadd32(4bv32, ~#aT_atan~0.offset), 4bv32);call atan_float_#t~mem20 := read~intFLOATTYPE4(~#aT_atan~0.base, ~bvadd32(12bv32, ~#aT_atan~0.offset), 4bv32);call atan_float_#t~mem19 := read~intFLOATTYPE4(~#aT_atan~0.base, ~bvadd32(20bv32, ~#aT_atan~0.offset), 4bv32);call atan_float_#t~mem18 := read~intFLOATTYPE4(~#aT_atan~0.base, ~bvadd32(28bv32, ~#aT_atan~0.offset), 4bv32);call atan_float_#t~mem17 := read~intFLOATTYPE4(~#aT_atan~0.base, ~bvadd32(36bv32, ~#aT_atan~0.offset), 4bv32);atan_float_~s2~0 := ~fp.mul~FLOAT(currentRoundingMode, atan_float_~w~0, ~fp.add~FLOAT(currentRoundingMode, atan_float_#t~mem21, ~fp.mul~FLOAT(currentRoundingMode, atan_float_~w~0, ~fp.add~FLOAT(currentRoundingMode, atan_float_#t~mem20, ~fp.mul~FLOAT(currentRoundingMode, atan_float_~w~0, ~fp.add~FLOAT(currentRoundingMode, atan_float_#t~mem19, ~fp.mul~FLOAT(currentRoundingMode, atan_float_~w~0, ~fp.add~FLOAT(currentRoundingMode, atan_float_#t~mem18, ~fp.mul~FLOAT(currentRoundingMode, atan_float_~w~0, atan_float_#t~mem17)))))))));havoc atan_float_#t~mem19;havoc atan_float_#t~mem18;havoc atan_float_#t~mem21;havoc atan_float_#t~mem20;havoc atan_float_#t~mem17; {748#false} is VALID [2020-07-28 17:47:21,043 INFO L280 TraceCheckUtils]: 11: Hoare triple {748#false} assume ~bvslt32(atan_float_~id~0, 0bv32);atan_float_#res := ~fp.sub~FLOAT(currentRoundingMode, atan_float_~x, ~fp.mul~FLOAT(currentRoundingMode, atan_float_~x, ~fp.add~FLOAT(currentRoundingMode, atan_float_~s1~0, atan_float_~s2~0))); {748#false} is VALID [2020-07-28 17:47:21,043 INFO L280 TraceCheckUtils]: 12: Hoare triple {748#false} main_#t~ret27 := atan_float_#res;main_~res~0 := main_#t~ret27;havoc main_#t~ret27;main_#t~short29 := ~fp.eq~FLOAT(main_~res~0, ~Pluszero~FLOAT()); {748#false} is VALID [2020-07-28 17:47:21,043 INFO L280 TraceCheckUtils]: 13: Hoare triple {748#false} assume !main_#t~short29; {748#false} is VALID [2020-07-28 17:47:21,044 INFO L280 TraceCheckUtils]: 14: Hoare triple {748#false} assume !main_#t~short29;havoc main_#t~short29;havoc main_#t~ret28; {748#false} is VALID [2020-07-28 17:47:21,044 INFO L280 TraceCheckUtils]: 15: Hoare triple {748#false} assume !false; {748#false} is VALID [2020-07-28 17:47:21,045 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 17:47:21,046 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:47:21,494 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-07-28 17:47:21,980 INFO L280 TraceCheckUtils]: 15: Hoare triple {748#false} assume !false; {748#false} is VALID [2020-07-28 17:47:21,980 INFO L280 TraceCheckUtils]: 14: Hoare triple {748#false} assume !main_#t~short29;havoc main_#t~short29;havoc main_#t~ret28; {748#false} is VALID [2020-07-28 17:47:21,981 INFO L280 TraceCheckUtils]: 13: Hoare triple {748#false} assume !main_#t~short29; {748#false} is VALID [2020-07-28 17:47:21,981 INFO L280 TraceCheckUtils]: 12: Hoare triple {748#false} main_#t~ret27 := atan_float_#res;main_~res~0 := main_#t~ret27;havoc main_#t~ret27;main_#t~short29 := ~fp.eq~FLOAT(main_~res~0, ~Pluszero~FLOAT()); {748#false} is VALID [2020-07-28 17:47:21,981 INFO L280 TraceCheckUtils]: 11: Hoare triple {748#false} assume ~bvslt32(atan_float_~id~0, 0bv32);atan_float_#res := ~fp.sub~FLOAT(currentRoundingMode, atan_float_~x, ~fp.mul~FLOAT(currentRoundingMode, atan_float_~x, ~fp.add~FLOAT(currentRoundingMode, atan_float_~s1~0, atan_float_~s2~0))); {748#false} is VALID [2020-07-28 17:47:21,981 INFO L280 TraceCheckUtils]: 10: Hoare triple {748#false} atan_float_~z~0 := ~fp.mul~FLOAT(currentRoundingMode, atan_float_~x, atan_float_~x);atan_float_~w~0 := ~fp.mul~FLOAT(currentRoundingMode, atan_float_~z~0, atan_float_~z~0);call atan_float_#t~mem16 := read~intFLOATTYPE4(~#aT_atan~0.base, ~#aT_atan~0.offset, 4bv32);call atan_float_#t~mem15 := read~intFLOATTYPE4(~#aT_atan~0.base, ~bvadd32(8bv32, ~#aT_atan~0.offset), 4bv32);call atan_float_#t~mem14 := read~intFLOATTYPE4(~#aT_atan~0.base, ~bvadd32(16bv32, ~#aT_atan~0.offset), 4bv32);call atan_float_#t~mem13 := read~intFLOATTYPE4(~#aT_atan~0.base, ~bvadd32(24bv32, ~#aT_atan~0.offset), 4bv32);call atan_float_#t~mem12 := read~intFLOATTYPE4(~#aT_atan~0.base, ~bvadd32(32bv32, ~#aT_atan~0.offset), 4bv32);call atan_float_#t~mem11 := read~intFLOATTYPE4(~#aT_atan~0.base, ~bvadd32(40bv32, ~#aT_atan~0.offset), 4bv32);atan_float_~s1~0 := ~fp.mul~FLOAT(currentRoundingMode, atan_float_~z~0, ~fp.add~FLOAT(currentRoundingMode, atan_float_#t~mem16, ~fp.mul~FLOAT(currentRoundingMode, atan_float_~w~0, ~fp.add~FLOAT(currentRoundingMode, atan_float_#t~mem15, ~fp.mul~FLOAT(currentRoundingMode, atan_float_~w~0, ~fp.add~FLOAT(currentRoundingMode, atan_float_#t~mem14, ~fp.mul~FLOAT(currentRoundingMode, atan_float_~w~0, ~fp.add~FLOAT(currentRoundingMode, atan_float_#t~mem13, ~fp.mul~FLOAT(currentRoundingMode, atan_float_~w~0, ~fp.add~FLOAT(currentRoundingMode, atan_float_#t~mem12, ~fp.mul~FLOAT(currentRoundingMode, atan_float_~w~0, atan_float_#t~mem11)))))))))));havoc atan_float_#t~mem12;havoc atan_float_#t~mem16;havoc atan_float_#t~mem13;havoc atan_float_#t~mem14;havoc atan_float_#t~mem11;havoc atan_float_#t~mem15;call atan_float_#t~mem21 := read~intFLOATTYPE4(~#aT_atan~0.base, ~bvadd32(4bv32, ~#aT_atan~0.offset), 4bv32);call atan_float_#t~mem20 := read~intFLOATTYPE4(~#aT_atan~0.base, ~bvadd32(12bv32, ~#aT_atan~0.offset), 4bv32);call atan_float_#t~mem19 := read~intFLOATTYPE4(~#aT_atan~0.base, ~bvadd32(20bv32, ~#aT_atan~0.offset), 4bv32);call atan_float_#t~mem18 := read~intFLOATTYPE4(~#aT_atan~0.base, ~bvadd32(28bv32, ~#aT_atan~0.offset), 4bv32);call atan_float_#t~mem17 := read~intFLOATTYPE4(~#aT_atan~0.base, ~bvadd32(36bv32, ~#aT_atan~0.offset), 4bv32);atan_float_~s2~0 := ~fp.mul~FLOAT(currentRoundingMode, atan_float_~w~0, ~fp.add~FLOAT(currentRoundingMode, atan_float_#t~mem21, ~fp.mul~FLOAT(currentRoundingMode, atan_float_~w~0, ~fp.add~FLOAT(currentRoundingMode, atan_float_#t~mem20, ~fp.mul~FLOAT(currentRoundingMode, atan_float_~w~0, ~fp.add~FLOAT(currentRoundingMode, atan_float_#t~mem19, ~fp.mul~FLOAT(currentRoundingMode, atan_float_~w~0, ~fp.add~FLOAT(currentRoundingMode, atan_float_#t~mem18, ~fp.mul~FLOAT(currentRoundingMode, atan_float_~w~0, atan_float_#t~mem17)))))))));havoc atan_float_#t~mem19;havoc atan_float_#t~mem18;havoc atan_float_#t~mem21;havoc atan_float_#t~mem20;havoc atan_float_#t~mem17; {748#false} is VALID [2020-07-28 17:47:21,982 INFO L280 TraceCheckUtils]: 9: Hoare triple {748#false} atan_float_~id~0 := 4294967295bv32; {748#false} is VALID [2020-07-28 17:47:21,982 INFO L280 TraceCheckUtils]: 8: Hoare triple {820#(fp.gt (fp.add currentRoundingMode ~huge_atan~0 ULTIMATE.start_atan_float_~x) ~one_atan~0)} assume !~fp.gt~FLOAT(~fp.add~FLOAT(currentRoundingMode, ~huge_atan~0, atan_float_~x), ~one_atan~0); {748#false} is VALID [2020-07-28 17:47:21,988 INFO L280 TraceCheckUtils]: 7: Hoare triple {820#(fp.gt (fp.add currentRoundingMode ~huge_atan~0 ULTIMATE.start_atan_float_~x) ~one_atan~0)} assume ~bvslt32(atan_float_~ix~1, 822083584bv32); {820#(fp.gt (fp.add currentRoundingMode ~huge_atan~0 ULTIMATE.start_atan_float_~x) ~one_atan~0)} is VALID [2020-07-28 17:47:21,990 INFO L280 TraceCheckUtils]: 6: Hoare triple {820#(fp.gt (fp.add currentRoundingMode ~huge_atan~0 ULTIMATE.start_atan_float_~x) ~one_atan~0)} assume ~bvslt32(atan_float_~ix~1, 1054867456bv32); {820#(fp.gt (fp.add currentRoundingMode ~huge_atan~0 ULTIMATE.start_atan_float_~x) ~one_atan~0)} is VALID [2020-07-28 17:47:21,990 INFO L280 TraceCheckUtils]: 5: Hoare triple {820#(fp.gt (fp.add currentRoundingMode ~huge_atan~0 ULTIMATE.start_atan_float_~x) ~one_atan~0)} assume !~bvsge32(atan_float_~ix~1, 1350565888bv32); {820#(fp.gt (fp.add currentRoundingMode ~huge_atan~0 ULTIMATE.start_atan_float_~x) ~one_atan~0)} is VALID [2020-07-28 17:47:21,991 INFO L280 TraceCheckUtils]: 4: Hoare triple {820#(fp.gt (fp.add currentRoundingMode ~huge_atan~0 ULTIMATE.start_atan_float_~x) ~one_atan~0)} atan_float_~ix~1 := ~bvand32(2147483647bv32, atan_float_~hx~0); {820#(fp.gt (fp.add currentRoundingMode ~huge_atan~0 ULTIMATE.start_atan_float_~x) ~one_atan~0)} is VALID [2020-07-28 17:47:21,991 INFO L280 TraceCheckUtils]: 3: Hoare triple {820#(fp.gt (fp.add currentRoundingMode ~huge_atan~0 ULTIMATE.start_atan_float_~x) ~one_atan~0)} goto; {820#(fp.gt (fp.add currentRoundingMode ~huge_atan~0 ULTIMATE.start_atan_float_~x) ~one_atan~0)} is VALID [2020-07-28 17:47:21,992 INFO L280 TraceCheckUtils]: 2: Hoare triple {820#(fp.gt (fp.add currentRoundingMode ~huge_atan~0 ULTIMATE.start_atan_float_~x) ~one_atan~0)} call atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(atan_float_~x, atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, 4bv32);call atan_float_#t~mem4 := read~intINTTYPE4(atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, 4bv32);atan_float_~hx~0 := atan_float_#t~mem4;call write~intFLOATTYPE4(atan_float_#t~union5, atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, 4bv32);havoc atan_float_#t~mem4;havoc atan_float_#t~union5;call ULTIMATE.dealloc(atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset);havoc atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset; {820#(fp.gt (fp.add currentRoundingMode ~huge_atan~0 ULTIMATE.start_atan_float_~x) ~one_atan~0)} is VALID [2020-07-28 17:47:21,992 INFO L280 TraceCheckUtils]: 1: Hoare triple {842#(fp.gt (fp.add currentRoundingMode ~huge_atan~0 (_ +zero 8 24)) ~one_atan~0)} havoc main_#res;havoc main_#t~ret27, main_#t~ret28, main_#t~short29, main_~x~0, main_~res~0;main_~x~0 := ~Pluszero~FLOAT();atan_float_#in~x := main_~x~0;havoc atan_float_#res;havoc atan_float_#t~mem4, atan_float_#t~union5, atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, atan_float_#t~mem6, atan_float_#t~mem7, atan_float_#t~mem8, atan_float_#t~mem9, atan_float_#t~ret10, atan_float_#t~mem16, atan_float_#t~mem15, atan_float_#t~mem14, atan_float_#t~mem13, atan_float_#t~mem12, atan_float_#t~mem11, atan_float_#t~mem21, atan_float_#t~mem20, atan_float_#t~mem19, atan_float_#t~mem18, atan_float_#t~mem17, atan_float_#t~mem23, atan_float_#t~mem22, atan_float_#t~ite24, atan_float_~x, atan_float_~w~0, atan_float_~s1~0, atan_float_~s2~0, atan_float_~z~0, atan_float_~ix~1, atan_float_~hx~0, atan_float_~id~0;atan_float_~x := atan_float_#in~x;havoc atan_float_~w~0;havoc atan_float_~s1~0;havoc atan_float_~s2~0;havoc atan_float_~z~0;havoc atan_float_~ix~1;havoc atan_float_~hx~0;havoc atan_float_~id~0; {820#(fp.gt (fp.add currentRoundingMode ~huge_atan~0 ULTIMATE.start_atan_float_~x) ~one_atan~0)} is VALID [2020-07-28 17:47:21,998 INFO L280 TraceCheckUtils]: 0: Hoare triple {747#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_floor~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));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)); {842#(fp.gt (fp.add currentRoundingMode ~huge_atan~0 (_ +zero 8 24)) ~one_atan~0)} is VALID [2020-07-28 17:47:21,999 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 17:47:22,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [746059278] [2020-07-28 17:47:22,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:47:22,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-07-28 17:47:22,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682055048] [2020-07-28 17:47:22,002 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-07-28 17:47:22,002 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:47:22,002 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 17:47:22,788 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:47:22,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 17:47:22,788 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:47:22,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 17:47:22,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-28 17:47:22,789 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand 6 states. [2020-07-28 17:47:23,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:47:23,168 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2020-07-28 17:47:23,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 17:47:23,168 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-07-28 17:47:23,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:47:23,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 17:47:23,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 34 transitions. [2020-07-28 17:47:23,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 17:47:23,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 34 transitions. [2020-07-28 17:47:23,171 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 34 transitions. [2020-07-28 17:47:23,981 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:47:23,982 INFO L225 Difference]: With dead ends: 32 [2020-07-28 17:47:23,982 INFO L226 Difference]: Without dead ends: 18 [2020-07-28 17:47:23,983 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-28 17:47:23,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-07-28 17:47:23,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-07-28 17:47:23,989 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:47:23,989 INFO L82 GeneralOperation]: Start isEquivalent. First operand 18 states. Second operand 18 states. [2020-07-28 17:47:23,989 INFO L74 IsIncluded]: Start isIncluded. First operand 18 states. Second operand 18 states. [2020-07-28 17:47:23,990 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 18 states. [2020-07-28 17:47:23,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:47:23,991 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2020-07-28 17:47:23,991 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2020-07-28 17:47:23,992 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:47:23,992 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:47:23,992 INFO L74 IsIncluded]: Start isIncluded. First operand 18 states. Second operand 18 states. [2020-07-28 17:47:23,992 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 18 states. [2020-07-28 17:47:23,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:47:23,993 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2020-07-28 17:47:23,993 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2020-07-28 17:47:23,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:47:23,994 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:47:23,994 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:47:23,994 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:47:23,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-28 17:47:23,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2020-07-28 17:47:23,995 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 16 [2020-07-28 17:47:23,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:47:23,995 INFO L479 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2020-07-28 17:47:23,996 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 17:47:23,996 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2020-07-28 17:47:23,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 17:47:23,996 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:47:23,996 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:47:24,202 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-07-28 17:47:24,203 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:47:24,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:47:24,203 INFO L82 PathProgramCache]: Analyzing trace with hash 712330328, now seen corresponding path program 1 times [2020-07-28 17:47:24,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:47:24,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [151202528] [2020-07-28 17:47:24,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-07-28 17:47:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:47:25,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-28 17:47:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:47:25,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:47:25,146 INFO L523 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-28 17:47:25,180 INFO L280 TraceCheckUtils]: 0: Hoare triple {942#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_floor~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));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)); {942#true} is VALID [2020-07-28 17:47:25,181 INFO L280 TraceCheckUtils]: 1: Hoare triple {942#true} havoc main_#res;havoc main_#t~ret27, main_#t~ret28, main_#t~short29, main_~x~0, main_~res~0;main_~x~0 := ~Pluszero~FLOAT();atan_float_#in~x := main_~x~0;havoc atan_float_#res;havoc atan_float_#t~mem4, atan_float_#t~union5, atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, atan_float_#t~mem6, atan_float_#t~mem7, atan_float_#t~mem8, atan_float_#t~mem9, atan_float_#t~ret10, atan_float_#t~mem16, atan_float_#t~mem15, atan_float_#t~mem14, atan_float_#t~mem13, atan_float_#t~mem12, atan_float_#t~mem11, atan_float_#t~mem21, atan_float_#t~mem20, atan_float_#t~mem19, atan_float_#t~mem18, atan_float_#t~mem17, atan_float_#t~mem23, atan_float_#t~mem22, atan_float_#t~ite24, atan_float_~x, atan_float_~w~0, atan_float_~s1~0, atan_float_~s2~0, atan_float_~z~0, atan_float_~ix~1, atan_float_~hx~0, atan_float_~id~0;atan_float_~x := atan_float_#in~x;havoc atan_float_~w~0;havoc atan_float_~s1~0;havoc atan_float_~s2~0;havoc atan_float_~z~0;havoc atan_float_~ix~1;havoc atan_float_~hx~0;havoc atan_float_~id~0; {950#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:47:25,181 INFO L280 TraceCheckUtils]: 2: Hoare triple {950#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} call atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(atan_float_~x, atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, 4bv32);call atan_float_#t~mem4 := read~intINTTYPE4(atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, 4bv32);atan_float_~hx~0 := atan_float_#t~mem4;call write~intFLOATTYPE4(atan_float_#t~union5, atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, 4bv32);havoc atan_float_#t~mem4;havoc atan_float_#t~union5;call ULTIMATE.dealloc(atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset);havoc atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset; {950#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:47:25,182 INFO L280 TraceCheckUtils]: 3: Hoare triple {950#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} goto; {950#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:47:25,182 INFO L280 TraceCheckUtils]: 4: Hoare triple {950#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} atan_float_~ix~1 := ~bvand32(2147483647bv32, atan_float_~hx~0); {950#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:47:25,182 INFO L280 TraceCheckUtils]: 5: Hoare triple {950#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} assume !~bvsge32(atan_float_~ix~1, 1350565888bv32); {950#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:47:25,183 INFO L280 TraceCheckUtils]: 6: Hoare triple {950#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} assume ~bvslt32(atan_float_~ix~1, 1054867456bv32); {950#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:47:25,188 INFO L280 TraceCheckUtils]: 7: Hoare triple {950#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} assume ~bvslt32(atan_float_~ix~1, 822083584bv32); {950#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:47:25,189 INFO L280 TraceCheckUtils]: 8: Hoare triple {950#(= ULTIMATE.start_atan_float_~x (_ +zero 8 24))} assume ~fp.gt~FLOAT(~fp.add~FLOAT(currentRoundingMode, ~huge_atan~0, atan_float_~x), ~one_atan~0);atan_float_#res := atan_float_~x; {972#(= (_ +zero 8 24) |ULTIMATE.start_atan_float_#res|)} is VALID [2020-07-28 17:47:25,189 INFO L280 TraceCheckUtils]: 9: Hoare triple {972#(= (_ +zero 8 24) |ULTIMATE.start_atan_float_#res|)} main_#t~ret27 := atan_float_#res;main_~res~0 := main_#t~ret27;havoc main_#t~ret27;main_#t~short29 := ~fp.eq~FLOAT(main_~res~0, ~Pluszero~FLOAT()); {976#(= (_ +zero 8 24) ULTIMATE.start_main_~res~0)} is VALID [2020-07-28 17:47:25,190 INFO L280 TraceCheckUtils]: 10: Hoare triple {976#(= (_ +zero 8 24) ULTIMATE.start_main_~res~0)} assume main_#t~short29;__signbit_float_#in~x := main_~res~0;havoc __signbit_float_#res;havoc __signbit_float_#t~mem25, __signbit_float_#t~union26, __signbit_float_~#gf_u~2.base, __signbit_float_~#gf_u~2.offset, __signbit_float_~x, __signbit_float_~w~1;__signbit_float_~x := __signbit_float_#in~x;havoc __signbit_float_~w~1; {980#(= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x)} is VALID [2020-07-28 17:47:25,193 INFO L280 TraceCheckUtils]: 11: Hoare triple {980#(= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x)} call __signbit_float_~#gf_u~2.base, __signbit_float_~#gf_u~2.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__signbit_float_~x, __signbit_float_~#gf_u~2.base, __signbit_float_~#gf_u~2.offset, 4bv32);call __signbit_float_#t~mem25 := read~intINTTYPE4(__signbit_float_~#gf_u~2.base, __signbit_float_~#gf_u~2.offset, 4bv32);__signbit_float_~w~1 := __signbit_float_#t~mem25;call write~intFLOATTYPE4(__signbit_float_#t~union26, __signbit_float_~#gf_u~2.base, __signbit_float_~#gf_u~2.offset, 4bv32);havoc __signbit_float_#t~union26;havoc __signbit_float_#t~mem25;call ULTIMATE.dealloc(__signbit_float_~#gf_u~2.base, __signbit_float_~#gf_u~2.offset);havoc __signbit_float_~#gf_u~2.base, __signbit_float_~#gf_u~2.offset; {984#(= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~1) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~1) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~1)))} is VALID [2020-07-28 17:47:25,195 INFO L280 TraceCheckUtils]: 12: Hoare triple {984#(= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~1) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~1) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~1)))} goto; {984#(= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~1) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~1) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~1)))} is VALID [2020-07-28 17:47:25,196 INFO L280 TraceCheckUtils]: 13: Hoare triple {984#(= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~1) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~1) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~1)))} __signbit_float_#res := (if 0bv32 != ~bvand32(2147483648bv32, __signbit_float_~w~1) then 1bv32 else 0bv32); {991#(= |ULTIMATE.start___signbit_float_#res| (_ bv0 32))} is VALID [2020-07-28 17:47:25,197 INFO L280 TraceCheckUtils]: 14: Hoare triple {991#(= |ULTIMATE.start___signbit_float_#res| (_ bv0 32))} main_#t~ret28 := __signbit_float_#res;main_#t~short29 := 0bv32 == main_#t~ret28; {995#|ULTIMATE.start_main_#t~short29|} is VALID [2020-07-28 17:47:25,198 INFO L280 TraceCheckUtils]: 15: Hoare triple {995#|ULTIMATE.start_main_#t~short29|} assume !main_#t~short29;havoc main_#t~short29;havoc main_#t~ret28; {943#false} is VALID [2020-07-28 17:47:25,198 INFO L280 TraceCheckUtils]: 16: Hoare triple {943#false} assume !false; {943#false} is VALID [2020-07-28 17:47:25,200 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 17:47:25,200 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:47:25,539 INFO L280 TraceCheckUtils]: 16: Hoare triple {943#false} assume !false; {943#false} is VALID [2020-07-28 17:47:25,540 INFO L280 TraceCheckUtils]: 15: Hoare triple {995#|ULTIMATE.start_main_#t~short29|} assume !main_#t~short29;havoc main_#t~short29;havoc main_#t~ret28; {943#false} is VALID [2020-07-28 17:47:25,541 INFO L280 TraceCheckUtils]: 14: Hoare triple {991#(= |ULTIMATE.start___signbit_float_#res| (_ bv0 32))} main_#t~ret28 := __signbit_float_#res;main_#t~short29 := 0bv32 == main_#t~ret28; {995#|ULTIMATE.start_main_#t~short29|} is VALID [2020-07-28 17:47:25,546 INFO L280 TraceCheckUtils]: 13: Hoare triple {1011#(= (bvand (_ bv2147483648 32) ULTIMATE.start___signbit_float_~w~1) (_ bv0 32))} __signbit_float_#res := (if 0bv32 != ~bvand32(2147483648bv32, __signbit_float_~w~1) then 1bv32 else 0bv32); {991#(= |ULTIMATE.start___signbit_float_#res| (_ bv0 32))} is VALID [2020-07-28 17:47:25,553 INFO L280 TraceCheckUtils]: 12: Hoare triple {1011#(= (bvand (_ bv2147483648 32) ULTIMATE.start___signbit_float_~w~1) (_ bv0 32))} goto; {1011#(= (bvand (_ bv2147483648 32) ULTIMATE.start___signbit_float_~w~1) (_ bv0 32))} is VALID [2020-07-28 17:47:25,556 INFO L280 TraceCheckUtils]: 11: Hoare triple {1018#(forall ((v_ULTIMATE.start___signbit_float_~w~1_5 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~1_5)) ULTIMATE.start___signbit_float_~x)) (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~1_5) (_ bv0 32))))} call __signbit_float_~#gf_u~2.base, __signbit_float_~#gf_u~2.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__signbit_float_~x, __signbit_float_~#gf_u~2.base, __signbit_float_~#gf_u~2.offset, 4bv32);call __signbit_float_#t~mem25 := read~intINTTYPE4(__signbit_float_~#gf_u~2.base, __signbit_float_~#gf_u~2.offset, 4bv32);__signbit_float_~w~1 := __signbit_float_#t~mem25;call write~intFLOATTYPE4(__signbit_float_#t~union26, __signbit_float_~#gf_u~2.base, __signbit_float_~#gf_u~2.offset, 4bv32);havoc __signbit_float_#t~union26;havoc __signbit_float_#t~mem25;call ULTIMATE.dealloc(__signbit_float_~#gf_u~2.base, __signbit_float_~#gf_u~2.offset);havoc __signbit_float_~#gf_u~2.base, __signbit_float_~#gf_u~2.offset; {1011#(= (bvand (_ bv2147483648 32) ULTIMATE.start___signbit_float_~w~1) (_ bv0 32))} is VALID [2020-07-28 17:47:25,558 INFO L280 TraceCheckUtils]: 10: Hoare triple {1022#(forall ((v_ULTIMATE.start___signbit_float_~w~1_5 (_ BitVec 32))) (or (not (= ULTIMATE.start_main_~res~0 (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~1_5)))) (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~1_5) (_ bv0 32))))} assume main_#t~short29;__signbit_float_#in~x := main_~res~0;havoc __signbit_float_#res;havoc __signbit_float_#t~mem25, __signbit_float_#t~union26, __signbit_float_~#gf_u~2.base, __signbit_float_~#gf_u~2.offset, __signbit_float_~x, __signbit_float_~w~1;__signbit_float_~x := __signbit_float_#in~x;havoc __signbit_float_~w~1; {1018#(forall ((v_ULTIMATE.start___signbit_float_~w~1_5 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~1_5)) ULTIMATE.start___signbit_float_~x)) (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~1_5) (_ bv0 32))))} is VALID [2020-07-28 17:47:25,560 INFO L280 TraceCheckUtils]: 9: Hoare triple {1026#(forall ((v_ULTIMATE.start___signbit_float_~w~1_5 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~1_5)) |ULTIMATE.start_atan_float_#res|)) (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~1_5) (_ bv0 32))))} main_#t~ret27 := atan_float_#res;main_~res~0 := main_#t~ret27;havoc main_#t~ret27;main_#t~short29 := ~fp.eq~FLOAT(main_~res~0, ~Pluszero~FLOAT()); {1022#(forall ((v_ULTIMATE.start___signbit_float_~w~1_5 (_ BitVec 32))) (or (not (= ULTIMATE.start_main_~res~0 (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~1_5)))) (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~1_5) (_ bv0 32))))} is VALID [2020-07-28 17:47:25,575 INFO L280 TraceCheckUtils]: 8: Hoare triple {1030#(forall ((v_ULTIMATE.start___signbit_float_~w~1_5 (_ BitVec 32))) (or (not (= ULTIMATE.start_atan_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~1_5)))) (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~1_5) (_ bv0 32))))} assume ~fp.gt~FLOAT(~fp.add~FLOAT(currentRoundingMode, ~huge_atan~0, atan_float_~x), ~one_atan~0);atan_float_#res := atan_float_~x; {1026#(forall ((v_ULTIMATE.start___signbit_float_~w~1_5 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~1_5)) |ULTIMATE.start_atan_float_#res|)) (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~1_5) (_ bv0 32))))} is VALID [2020-07-28 17:47:25,576 INFO L280 TraceCheckUtils]: 7: Hoare triple {1030#(forall ((v_ULTIMATE.start___signbit_float_~w~1_5 (_ BitVec 32))) (or (not (= ULTIMATE.start_atan_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~1_5)))) (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~1_5) (_ bv0 32))))} assume ~bvslt32(atan_float_~ix~1, 822083584bv32); {1030#(forall ((v_ULTIMATE.start___signbit_float_~w~1_5 (_ BitVec 32))) (or (not (= ULTIMATE.start_atan_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~1_5)))) (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~1_5) (_ bv0 32))))} is VALID [2020-07-28 17:47:25,576 INFO L280 TraceCheckUtils]: 6: Hoare triple {1030#(forall ((v_ULTIMATE.start___signbit_float_~w~1_5 (_ BitVec 32))) (or (not (= ULTIMATE.start_atan_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~1_5)))) (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~1_5) (_ bv0 32))))} assume ~bvslt32(atan_float_~ix~1, 1054867456bv32); {1030#(forall ((v_ULTIMATE.start___signbit_float_~w~1_5 (_ BitVec 32))) (or (not (= ULTIMATE.start_atan_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~1_5)))) (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~1_5) (_ bv0 32))))} is VALID [2020-07-28 17:47:25,580 INFO L280 TraceCheckUtils]: 5: Hoare triple {1030#(forall ((v_ULTIMATE.start___signbit_float_~w~1_5 (_ BitVec 32))) (or (not (= ULTIMATE.start_atan_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~1_5)))) (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~1_5) (_ bv0 32))))} assume !~bvsge32(atan_float_~ix~1, 1350565888bv32); {1030#(forall ((v_ULTIMATE.start___signbit_float_~w~1_5 (_ BitVec 32))) (or (not (= ULTIMATE.start_atan_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~1_5)))) (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~1_5) (_ bv0 32))))} is VALID [2020-07-28 17:47:25,581 INFO L280 TraceCheckUtils]: 4: Hoare triple {1030#(forall ((v_ULTIMATE.start___signbit_float_~w~1_5 (_ BitVec 32))) (or (not (= ULTIMATE.start_atan_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~1_5)))) (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~1_5) (_ bv0 32))))} atan_float_~ix~1 := ~bvand32(2147483647bv32, atan_float_~hx~0); {1030#(forall ((v_ULTIMATE.start___signbit_float_~w~1_5 (_ BitVec 32))) (or (not (= ULTIMATE.start_atan_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~1_5)))) (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~1_5) (_ bv0 32))))} is VALID [2020-07-28 17:47:25,582 INFO L280 TraceCheckUtils]: 3: Hoare triple {1030#(forall ((v_ULTIMATE.start___signbit_float_~w~1_5 (_ BitVec 32))) (or (not (= ULTIMATE.start_atan_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~1_5)))) (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~1_5) (_ bv0 32))))} goto; {1030#(forall ((v_ULTIMATE.start___signbit_float_~w~1_5 (_ BitVec 32))) (or (not (= ULTIMATE.start_atan_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~1_5)))) (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~1_5) (_ bv0 32))))} is VALID [2020-07-28 17:47:25,582 INFO L280 TraceCheckUtils]: 2: Hoare triple {1030#(forall ((v_ULTIMATE.start___signbit_float_~w~1_5 (_ BitVec 32))) (or (not (= ULTIMATE.start_atan_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~1_5)))) (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~1_5) (_ bv0 32))))} call atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(atan_float_~x, atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, 4bv32);call atan_float_#t~mem4 := read~intINTTYPE4(atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, 4bv32);atan_float_~hx~0 := atan_float_#t~mem4;call write~intFLOATTYPE4(atan_float_#t~union5, atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, 4bv32);havoc atan_float_#t~mem4;havoc atan_float_#t~union5;call ULTIMATE.dealloc(atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset);havoc atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset; {1030#(forall ((v_ULTIMATE.start___signbit_float_~w~1_5 (_ BitVec 32))) (or (not (= ULTIMATE.start_atan_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~1_5)))) (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~1_5) (_ bv0 32))))} is VALID [2020-07-28 17:47:25,584 INFO L280 TraceCheckUtils]: 1: Hoare triple {942#true} havoc main_#res;havoc main_#t~ret27, main_#t~ret28, main_#t~short29, main_~x~0, main_~res~0;main_~x~0 := ~Pluszero~FLOAT();atan_float_#in~x := main_~x~0;havoc atan_float_#res;havoc atan_float_#t~mem4, atan_float_#t~union5, atan_float_~#gf_u~1.base, atan_float_~#gf_u~1.offset, atan_float_#t~mem6, atan_float_#t~mem7, atan_float_#t~mem8, atan_float_#t~mem9, atan_float_#t~ret10, atan_float_#t~mem16, atan_float_#t~mem15, atan_float_#t~mem14, atan_float_#t~mem13, atan_float_#t~mem12, atan_float_#t~mem11, atan_float_#t~mem21, atan_float_#t~mem20, atan_float_#t~mem19, atan_float_#t~mem18, atan_float_#t~mem17, atan_float_#t~mem23, atan_float_#t~mem22, atan_float_#t~ite24, atan_float_~x, atan_float_~w~0, atan_float_~s1~0, atan_float_~s2~0, atan_float_~z~0, atan_float_~ix~1, atan_float_~hx~0, atan_float_~id~0;atan_float_~x := atan_float_#in~x;havoc atan_float_~w~0;havoc atan_float_~s1~0;havoc atan_float_~s2~0;havoc atan_float_~z~0;havoc atan_float_~ix~1;havoc atan_float_~hx~0;havoc atan_float_~id~0; {1030#(forall ((v_ULTIMATE.start___signbit_float_~w~1_5 (_ BitVec 32))) (or (not (= ULTIMATE.start_atan_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~1_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~1_5)))) (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~1_5) (_ bv0 32))))} is VALID [2020-07-28 17:47:25,584 INFO L280 TraceCheckUtils]: 0: Hoare triple {942#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_floor~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));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)); {942#true} is VALID [2020-07-28 17:47:25,586 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 17:47:25,587 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [151202528] [2020-07-28 17:47:25,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:47:25,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2020-07-28 17:47:25,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951421691] [2020-07-28 17:47:25,588 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 17 [2020-07-28 17:47:25,588 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:47:25,588 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2020-07-28 17:47:25,700 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:47:25,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-28 17:47:25,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:47:25,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-28 17:47:25,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-07-28 17:47:25,701 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand 14 states. [2020-07-28 17:47:26,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:47:26,584 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2020-07-28 17:47:26,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 17:47:26,584 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 17 [2020-07-28 17:47:26,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:47:26,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-28 17:47:26,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 17 transitions. [2020-07-28 17:47:26,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-28 17:47:26,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 17 transitions. [2020-07-28 17:47:26,586 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 17 transitions. [2020-07-28 17:47:26,651 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:47:26,651 INFO L225 Difference]: With dead ends: 18 [2020-07-28 17:47:26,651 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 17:47:26,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-07-28 17:47:26,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 17:47:26,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 17:47:26,653 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:47:26,653 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 17:47:26,653 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:47:26,653 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:47:26,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:47:26,654 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:47:26,654 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:47:26,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:47:26,654 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:47:26,654 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:47:26,654 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:47:26,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:47:26,655 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:47:26,655 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:47:26,655 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:47:26,655 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:47:26,655 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:47:26,655 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:47:26,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 17:47:26,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 17:47:26,656 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2020-07-28 17:47:26,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:47:26,656 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 17:47:26,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-28 17:47:26,656 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:47:26,656 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:47:26,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-07-28 17:47:26,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 17:47:27,138 INFO L264 CegarLoopResult]: At program point L126(lines 117 127) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short29| (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= ULTIMATE.start_atan_float_~x (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_atan~0) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32)) (= (_ +zero 8 24) |ULTIMATE.start_atan_float_#res|) (= ~one_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0))) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~1) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~1) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~1))) (= currentRoundingMode roundNearestTiesToEven)) [2020-07-28 17:47:27,138 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 17:47:27,138 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 17:47:27,138 INFO L268 CegarLoopResult]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2020-07-28 17:47:27,138 INFO L264 CegarLoopResult]: At program point L120-2(lines 120 124) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short29| (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= ULTIMATE.start_atan_float_~x (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= (_ +zero 8 24) |ULTIMATE.start_atan_float_#res|) (= ~one_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0))) (= ~huge_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))) (= currentRoundingMode roundNearestTiesToEven)) [2020-07-28 17:47:27,139 INFO L268 CegarLoopResult]: For program point L21(lines 21 25) no Hoare annotation was computed. [2020-07-28 17:47:27,139 INFO L268 CegarLoopResult]: For program point L120-3(lines 120 124) no Hoare annotation was computed. [2020-07-28 17:47:27,139 INFO L268 CegarLoopResult]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2020-07-28 17:47:27,139 INFO L268 CegarLoopResult]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2020-07-28 17:47:27,139 INFO L268 CegarLoopResult]: For program point L79(lines 79 95) no Hoare annotation was computed. [2020-07-28 17:47:27,139 INFO L268 CegarLoopResult]: For program point L71(lines 71 96) no Hoare annotation was computed. [2020-07-28 17:47:27,139 INFO L268 CegarLoopResult]: For program point L63(lines 63 70) no Hoare annotation was computed. [2020-07-28 17:47:27,139 INFO L268 CegarLoopResult]: For program point L88(lines 88 94) no Hoare annotation was computed. [2020-07-28 17:47:27,139 INFO L268 CegarLoopResult]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2020-07-28 17:47:27,139 INFO L271 CegarLoopResult]: At program point L146(lines 129 147) the Hoare annotation is: true [2020-07-28 17:47:27,140 INFO L268 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-07-28 17:47:27,140 INFO L268 CegarLoopResult]: For program point L80(lines 80 86) no Hoare annotation was computed. [2020-07-28 17:47:27,140 INFO L268 CegarLoopResult]: For program point L113-2(line 113) no Hoare annotation was computed. [2020-07-28 17:47:27,140 INFO L264 CegarLoopResult]: At program point L113-3(lines 53 115) the Hoare annotation is: (and (= ULTIMATE.start_atan_float_~x (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_atan~0) (= (_ +zero 8 24) |ULTIMATE.start_atan_float_#res|) (= ~one_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0))) (= currentRoundingMode roundNearestTiesToEven)) [2020-07-28 17:47:27,140 INFO L268 CegarLoopResult]: For program point L72(lines 72 75) no Hoare annotation was computed. [2020-07-28 17:47:27,140 INFO L268 CegarLoopResult]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2020-07-28 17:47:27,140 INFO L268 CegarLoopResult]: For program point L64(lines 64 65) no Hoare annotation was computed. [2020-07-28 17:47:27,141 INFO L268 CegarLoopResult]: For program point L73(lines 73 74) no Hoare annotation was computed. [2020-07-28 17:47:27,141 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 17:47:27,141 INFO L268 CegarLoopResult]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2020-07-28 17:47:27,141 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2020-07-28 17:47:27,141 INFO L264 CegarLoopResult]: At program point L57-2(lines 57 61) the Hoare annotation is: (and (= ULTIMATE.start_atan_float_~x (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0))) (= currentRoundingMode roundNearestTiesToEven)) [2020-07-28 17:47:27,142 INFO L268 CegarLoopResult]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2020-07-28 17:47:27,143 INFO L268 CegarLoopResult]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2020-07-28 17:47:27,143 INFO L264 CegarLoopResult]: At program point L16-2(lines 16 20) the Hoare annotation is: false [2020-07-28 17:47:27,143 INFO L268 CegarLoopResult]: For program point L66(lines 66 69) no Hoare annotation was computed. [2020-07-28 17:47:27,143 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 17:47:27,143 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-07-28 17:47:27,144 INFO L268 CegarLoopResult]: For program point L141-2(lines 141 144) no Hoare annotation was computed. [2020-07-28 17:47:27,144 INFO L264 CegarLoopResult]: At program point L26(lines 14 27) the Hoare annotation is: false [2020-07-28 17:47:27,144 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-28 17:47:27,144 INFO L268 CegarLoopResult]: For program point L109(lines 109 114) no Hoare annotation was computed. [2020-07-28 17:47:27,149 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:47:27,149 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:47:27,149 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-28 17:47:27,150 WARN L170 areAnnotationChecker]: L57-3 has no Hoare annotation [2020-07-28 17:47:27,150 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-28 17:47:27,150 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-28 17:47:27,150 WARN L170 areAnnotationChecker]: L57-3 has no Hoare annotation [2020-07-28 17:47:27,150 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-28 17:47:27,150 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-28 17:47:27,151 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 17:47:27,151 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 17:47:27,151 WARN L170 areAnnotationChecker]: L71 has no Hoare annotation [2020-07-28 17:47:27,151 WARN L170 areAnnotationChecker]: L71 has no Hoare annotation [2020-07-28 17:47:27,151 WARN L170 areAnnotationChecker]: L141 has no Hoare annotation [2020-07-28 17:47:27,151 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-28 17:47:27,152 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-28 17:47:27,152 WARN L170 areAnnotationChecker]: L72 has no Hoare annotation [2020-07-28 17:47:27,152 WARN L170 areAnnotationChecker]: L72 has no Hoare annotation [2020-07-28 17:47:27,152 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-28 17:47:27,152 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-28 17:47:27,152 WARN L170 areAnnotationChecker]: L141 has no Hoare annotation [2020-07-28 17:47:27,153 WARN L170 areAnnotationChecker]: L141 has no Hoare annotation [2020-07-28 17:47:27,153 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2020-07-28 17:47:27,153 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2020-07-28 17:47:27,153 WARN L170 areAnnotationChecker]: L72-2 has no Hoare annotation [2020-07-28 17:47:27,153 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-28 17:47:27,153 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-28 17:47:27,154 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-28 17:47:27,154 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-28 17:47:27,154 WARN L170 areAnnotationChecker]: L120-1 has no Hoare annotation [2020-07-28 17:47:27,154 WARN L170 areAnnotationChecker]: L120-3 has no Hoare annotation [2020-07-28 17:47:27,154 WARN L170 areAnnotationChecker]: L141-2 has no Hoare annotation [2020-07-28 17:47:27,155 WARN L170 areAnnotationChecker]: L141-2 has no Hoare annotation [2020-07-28 17:47:27,155 WARN L170 areAnnotationChecker]: L88-2 has no Hoare annotation [2020-07-28 17:47:27,155 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-28 17:47:27,155 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-28 17:47:27,155 WARN L170 areAnnotationChecker]: L21-2 has no Hoare annotation [2020-07-28 17:47:27,155 WARN L170 areAnnotationChecker]: L120-1 has no Hoare annotation [2020-07-28 17:47:27,156 WARN L170 areAnnotationChecker]: L120-1 has no Hoare annotation [2020-07-28 17:47:27,156 WARN L170 areAnnotationChecker]: L120-3 has no Hoare annotation [2020-07-28 17:47:27,156 WARN L170 areAnnotationChecker]: L142 has no Hoare annotation [2020-07-28 17:47:27,156 WARN L170 areAnnotationChecker]: L142 has no Hoare annotation [2020-07-28 17:47:27,156 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:47:27,156 WARN L170 areAnnotationChecker]: L109 has no Hoare annotation [2020-07-28 17:47:27,157 WARN L170 areAnnotationChecker]: L109 has no Hoare annotation [2020-07-28 17:47:27,157 WARN L170 areAnnotationChecker]: L79 has no Hoare annotation [2020-07-28 17:47:27,157 WARN L170 areAnnotationChecker]: L141-2 has no Hoare annotation [2020-07-28 17:47:27,157 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:47:27,157 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2020-07-28 17:47:27,157 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2020-07-28 17:47:27,158 WARN L170 areAnnotationChecker]: L79 has no Hoare annotation [2020-07-28 17:47:27,158 WARN L170 areAnnotationChecker]: L79 has no Hoare annotation [2020-07-28 17:47:27,158 WARN L170 areAnnotationChecker]: L113-2 has no Hoare annotation [2020-07-28 17:47:27,158 WARN L170 areAnnotationChecker]: L80 has no Hoare annotation [2020-07-28 17:47:27,158 WARN L170 areAnnotationChecker]: L80 has no Hoare annotation [2020-07-28 17:47:27,158 WARN L170 areAnnotationChecker]: L88 has no Hoare annotation [2020-07-28 17:47:27,159 WARN L170 areAnnotationChecker]: L88 has no Hoare annotation [2020-07-28 17:47:27,159 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 17:47:27,170 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:47:27,174 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,175 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,175 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,175 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,175 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,179 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:47:27,180 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,180 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,180 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,180 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,181 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,182 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:47:27,182 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,183 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,183 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,183 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,183 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,184 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:47:27,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,186 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,187 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:47:27,188 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,188 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,188 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,188 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,189 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,190 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:47:27,190 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,190 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,191 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,191 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,191 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,193 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:47:27,194 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,194 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,194 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,195 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,195 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,199 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:47:27,202 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,203 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,204 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,204 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,204 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:47:27 BoogieIcfgContainer [2020-07-28 17:47:27,208 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:47:27,208 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:47:27,208 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:47:27,208 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:47:27,209 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:46:30" (3/4) ... [2020-07-28 17:47:27,213 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 17:47:27,227 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-07-28 17:47:27,228 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-07-28 17:47:27,229 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 17:47:27,262 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((x == ~Pluszero~LONGDOUBLE() && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_atan) && ~Pluszero~LONGDOUBLE() == \result) && one_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2020-07-28 17:47:27,264 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((aux-res == 0.0f && __signbit_float(res) == 0-aux && ~Pluszero~LONGDOUBLE() == res) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == \result) && one_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0))) && huge_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2020-07-28 17:47:27,265 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((aux-res == 0.0f && __signbit_float(res) == 0-aux && ~Pluszero~LONGDOUBLE() == res) && x == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_atan) && ~Pluszero~LONGDOUBLE() == x) && \result == 0bv32) && ~Pluszero~LONGDOUBLE() == \result) && one_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0))) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2020-07-28 17:47:27,315 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 17:47:27,316 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:47:27,318 INFO L168 Benchmark]: Toolchain (without parser) took 65080.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.7 MB). Free memory was 958.9 MB in the beginning and 937.8 MB in the end (delta: 21.1 MB). Peak memory consumption was 218.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:47:27,318 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:47:27,319 INFO L168 Benchmark]: CACSL2BoogieTranslator took 525.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 958.9 MB in the beginning and 1.1 GB in the end (delta: -167.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2020-07-28 17:47:27,319 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.05 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 17:47:27,320 INFO L168 Benchmark]: Boogie Preprocessor took 53.86 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 17:47:27,320 INFO L168 Benchmark]: RCFGBuilder took 8001.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:47:27,321 INFO L168 Benchmark]: TraceAbstraction took 56273.19 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.8 MB). Free memory was 1.1 GB in the beginning and 945.0 MB in the end (delta: 117.8 MB). Peak memory consumption was 178.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:47:27,321 INFO L168 Benchmark]: Witness Printer took 107.78 ms. Allocated memory is still 1.2 GB. Free memory was 945.0 MB in the beginning and 937.8 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2020-07-28 17:47:27,324 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 525.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 958.9 MB in the beginning and 1.1 GB in the end (delta: -167.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 110.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.86 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 8001.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 56273.19 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.8 MB). Free memory was 1.1 GB in the beginning and 945.0 MB in the end (delta: 117.8 MB). Peak memory consumption was 178.7 MB. Max. memory is 11.5 GB. * Witness Printer took 107.78 ms. Allocated memory is still 1.2 GB. Free memory was 945.0 MB in the beginning and 937.8 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * 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 - 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: 142]: 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: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant [2020-07-28 17:47:27,339 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:47:27,339 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,340 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,340 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,340 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,340 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,341 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:47:27,341 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,341 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,342 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,342 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,342 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((aux-res == 0.0f && __signbit_float(res) == 0-aux && ~Pluszero~LONGDOUBLE() == res) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == \result) && one_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0))) && huge_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 57]: Loop Invariant [2020-07-28 17:47:27,343 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:47:27,343 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,343 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,344 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,344 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,344 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,344 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:47:27,345 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,345 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,345 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,345 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,346 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((x == ~Pluszero~LONGDOUBLE() && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_atan) && one_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant [2020-07-28 17:47:27,347 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:47:27,347 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,348 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,348 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,348 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,348 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,349 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:47:27,349 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,349 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,350 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,350 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,350 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((x == ~Pluszero~LONGDOUBLE() && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_atan) && ~Pluszero~LONGDOUBLE() == \result) && one_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 117]: Loop Invariant [2020-07-28 17:47:27,351 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:47:27,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,353 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:47:27,353 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,353 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,354 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,354 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:47:27,354 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((((aux-res == 0.0f && __signbit_float(res) == 0-aux && ~Pluszero~LONGDOUBLE() == res) && x == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_atan) && ~Pluszero~LONGDOUBLE() == x) && \result == 0bv32) && ~Pluszero~LONGDOUBLE() == \result) && one_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0))) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 55.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 46.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 111 SDtfs, 161 SDslu, 183 SDs, 0 SdLazy, 80 SolverSat, 13 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 10.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 95 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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, 5 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 12 NumberOfFragments, 122 HoareAnnotationTreeSize, 7 FomulaSimplifications, 20 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 4.6s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 124 ConstructedInterpolants, 12 QuantifiedInterpolants, 8909 SizeOfPredicates, 28 NumberOfNonLiveVariables, 453 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...