/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/float-newlib/double_req_bl_0620a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 06:10:06,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 06:10:06,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 06:10:06,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 06:10:06,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 06:10:06,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 06:10:06,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 06:10:06,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 06:10:06,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 06:10:06,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 06:10:06,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 06:10:06,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 06:10:06,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 06:10:06,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 06:10:06,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 06:10:06,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 06:10:06,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 06:10:06,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 06:10:06,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 06:10:06,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 06:10:06,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 06:10:06,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 06:10:06,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 06:10:06,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 06:10:07,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 06:10:07,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 06:10:07,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 06:10:07,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 06:10:07,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 06:10:07,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 06:10:07,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 06:10:07,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 06:10:07,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 06:10:07,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 06:10:07,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 06:10:07,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 06:10:07,029 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 06:10:07,056 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 06:10:07,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 06:10:07,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 06:10:07,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 06:10:07,058 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 06:10:07,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 06:10:07,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 06:10:07,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 06:10:07,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 06:10:07,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 06:10:07,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 06:10:07,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 06:10:07,060 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 06:10:07,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 06:10:07,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 06:10:07,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 06:10:07,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 06:10:07,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 06:10:07,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 06:10:07,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 06:10:07,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 06:10:07,062 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 06:10:07,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 06:10:07,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 06:10:07,062 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 06:10:07,062 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 06:10:07,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 06:10:07,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 06:10:07,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 06:10:07,491 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 06:10:07,491 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 06:10:07,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0620a.c [2020-12-23 06:10:07,593 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4e06a35b7/de0c8eb038564837a61dd376eddb53ab/FLAG69c4cee69 [2020-12-23 06:10:08,243 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 06:10:08,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0620a.c [2020-12-23 06:10:08,260 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4e06a35b7/de0c8eb038564837a61dd376eddb53ab/FLAG69c4cee69 [2020-12-23 06:10:08,623 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4e06a35b7/de0c8eb038564837a61dd376eddb53ab [2020-12-23 06:10:08,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 06:10:08,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 06:10:08,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 06:10:08,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 06:10:08,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 06:10:08,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:10:08" (1/1) ... [2020-12-23 06:10:08,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d6e759e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:10:08, skipping insertion in model container [2020-12-23 06:10:08,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:10:08" (1/1) ... [2020-12-23 06:10:08,653 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 06:10:08,691 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gh_u~0,],value] left hand side expression in assignment: lhs: VariableLHS[~high~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~sh_u~0,],value] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~sh_u~0,],parts],msw] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gh_u~1,],value] left hand side expression in assignment: lhs: VariableLHS[~hx~0,] left hand side expression in assignment: lhs: VariableLHS[~ix~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gl_u~0,],value] left hand side expression in assignment: lhs: VariableLHS[~low~0,] left hand side expression in assignment: lhs: VariableLHS[~id~0,] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: VariableLHS[~id~0,] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: VariableLHS[~id~0,] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: VariableLHS[~id~0,] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: VariableLHS[~id~0,] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: VariableLHS[~w~0,] left hand side expression in assignment: lhs: VariableLHS[~s1~0,] left hand side expression in assignment: lhs: VariableLHS[~s2~0,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gh_u~2,],value] left hand side expression in assignment: lhs: VariableLHS[~msw~0,] [2020-12-23 06:10:08,969 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0620a.c[3930,3943] [2020-12-23 06:10:08,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 06:10:09,000 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gh_u~0,],base],StructAccessExpression[IdentifierExpression[~#gh_u~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~high~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sh_u~0,],base],StructAccessExpression[IdentifierExpression[~#sh_u~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sh_u~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~#sh_u~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gh_u~1,],base],StructAccessExpression[IdentifierExpression[~#gh_u~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~hx~0,] left hand side expression in assignment: lhs: VariableLHS[~ix~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gl_u~0,],base],StructAccessExpression[IdentifierExpression[~#gl_u~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~low~0,] left hand side expression in assignment: lhs: VariableLHS[~id~0,] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: VariableLHS[~id~0,] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: VariableLHS[~id~0,] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: VariableLHS[~id~0,] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: VariableLHS[~id~0,] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: VariableLHS[~w~0,] left hand side expression in assignment: lhs: VariableLHS[~s1~0,] left hand side expression in assignment: lhs: VariableLHS[~s2~0,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gh_u~2,],base],StructAccessExpression[IdentifierExpression[~#gh_u~2,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~msw~0,] [2020-12-23 06:10:09,106 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0620a.c[3930,3943] [2020-12-23 06:10:09,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 06:10:09,149 INFO L208 MainTranslator]: Completed translation [2020-12-23 06:10:09,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:10:09 WrapperNode [2020-12-23 06:10:09,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 06:10:09,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 06:10:09,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 06:10:09,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 06:10:09,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:10:09" (1/1) ... [2020-12-23 06:10:09,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:10:09" (1/1) ... [2020-12-23 06:10:09,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 06:10:09,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 06:10:09,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 06:10:09,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 06:10:09,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:10:09" (1/1) ... [2020-12-23 06:10:09,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:10:09" (1/1) ... [2020-12-23 06:10:09,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:10:09" (1/1) ... [2020-12-23 06:10:09,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:10:09" (1/1) ... [2020-12-23 06:10:09,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:10:09" (1/1) ... [2020-12-23 06:10:09,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:10:09" (1/1) ... [2020-12-23 06:10:09,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:10:09" (1/1) ... [2020-12-23 06:10:09,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 06:10:09,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 06:10:09,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 06:10:09,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 06:10:09,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:10:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2020-12-23 06:10:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 06:10:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 06:10:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-23 06:10:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 06:10:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-23 06:10:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 06:10:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 06:10:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 06:10:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-23 06:10:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 06:10:09,945 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 06:10:09,945 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2020-12-23 06:10:09,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:10:09 BoogieIcfgContainer [2020-12-23 06:10:09,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 06:10:09,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 06:10:09,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 06:10:09,953 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 06:10:09,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 06:10:08" (1/3) ... [2020-12-23 06:10:09,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2345f5bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:10:09, skipping insertion in model container [2020-12-23 06:10:09,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:10:09" (2/3) ... [2020-12-23 06:10:09,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2345f5bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:10:09, skipping insertion in model container [2020-12-23 06:10:09,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:10:09" (3/3) ... [2020-12-23 06:10:09,956 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0620a.c [2020-12-23 06:10:09,963 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 06:10:09,969 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 06:10:09,988 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 06:10:10,016 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 06:10:10,016 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 06:10:10,016 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 06:10:10,017 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 06:10:10,017 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 06:10:10,017 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 06:10:10,017 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 06:10:10,017 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 06:10:10,036 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2020-12-23 06:10:10,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-23 06:10:10,042 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 06:10:10,043 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 06:10:10,044 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 06:10:10,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 06:10:10,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1901597288, now seen corresponding path program 1 times [2020-12-23 06:10:10,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 06:10:10,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328930074] [2020-12-23 06:10:10,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 06:10:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 06:10:10,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 06:10:10,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328930074] [2020-12-23 06:10:10,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 06:10:10,263 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 06:10:10,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875234091] [2020-12-23 06:10:10,271 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 06:10:10,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 06:10:10,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 06:10:10,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 06:10:10,297 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2020-12-23 06:10:10,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 06:10:10,334 INFO L93 Difference]: Finished difference Result 82 states and 134 transitions. [2020-12-23 06:10:10,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 06:10:10,336 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-23 06:10:10,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 06:10:10,358 INFO L225 Difference]: With dead ends: 82 [2020-12-23 06:10:10,359 INFO L226 Difference]: Without dead ends: 39 [2020-12-23 06:10:10,362 INFO L677 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 [2020-12-23 06:10:10,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-12-23 06:10:10,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-12-23 06:10:10,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-12-23 06:10:10,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 52 transitions. [2020-12-23 06:10:10,412 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 52 transitions. Word has length 11 [2020-12-23 06:10:10,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 06:10:10,413 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 52 transitions. [2020-12-23 06:10:10,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 06:10:10,414 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2020-12-23 06:10:10,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 06:10:10,416 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 06:10:10,416 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 06:10:10,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 06:10:10,417 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 06:10:10,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 06:10:10,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1021567882, now seen corresponding path program 1 times [2020-12-23 06:10:10,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 06:10:10,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099029215] [2020-12-23 06:10:10,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 06:10:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 06:10:10,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 06:10:10,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099029215] [2020-12-23 06:10:10,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 06:10:10,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 06:10:10,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292551564] [2020-12-23 06:10:10,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 06:10:10,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 06:10:10,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 06:10:10,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 06:10:10,573 INFO L87 Difference]: Start difference. First operand 39 states and 52 transitions. Second operand 3 states. [2020-12-23 06:10:10,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 06:10:10,627 INFO L93 Difference]: Finished difference Result 84 states and 110 transitions. [2020-12-23 06:10:10,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 06:10:10,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-12-23 06:10:10,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 06:10:10,629 INFO L225 Difference]: With dead ends: 84 [2020-12-23 06:10:10,629 INFO L226 Difference]: Without dead ends: 57 [2020-12-23 06:10:10,630 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 06:10:10,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-12-23 06:10:10,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 42. [2020-12-23 06:10:10,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-12-23 06:10:10,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 55 transitions. [2020-12-23 06:10:10,639 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 55 transitions. Word has length 13 [2020-12-23 06:10:10,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 06:10:10,639 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 55 transitions. [2020-12-23 06:10:10,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 06:10:10,639 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2020-12-23 06:10:10,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 06:10:10,640 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 06:10:10,641 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 06:10:10,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 06:10:10,641 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 06:10:10,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 06:10:10,642 INFO L82 PathProgramCache]: Analyzing trace with hash -516444155, now seen corresponding path program 1 times [2020-12-23 06:10:10,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 06:10:10,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908809690] [2020-12-23 06:10:10,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 06:10:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 06:10:10,749 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 06:10:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 06:10:10,795 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 06:10:10,825 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 06:10:10,825 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 06:10:10,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 06:10:10,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 06:10:10 BoogieIcfgContainer [2020-12-23 06:10:10,891 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 06:10:10,892 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 06:10:10,892 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 06:10:10,892 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 06:10:10,893 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:10:09" (3/4) ... [2020-12-23 06:10:10,898 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-23 06:10:10,899 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 06:10:10,905 INFO L168 Benchmark]: Toolchain (without parser) took 2270.09 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 121.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 5.4 MB. Max. memory is 8.0 GB. [2020-12-23 06:10:10,907 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 124.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 06:10:10,909 INFO L168 Benchmark]: CACSL2BoogieTranslator took 516.25 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 113.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-12-23 06:10:10,911 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.26 ms. Allocated memory is still 151.0 MB. Free memory was 113.0 MB in the beginning and 110.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 06:10:10,915 INFO L168 Benchmark]: Boogie Preprocessor took 87.70 ms. Allocated memory is still 151.0 MB. Free memory was 110.3 MB in the beginning and 108.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 06:10:10,917 INFO L168 Benchmark]: RCFGBuilder took 606.04 ms. Allocated memory is still 151.0 MB. Free memory was 108.2 MB in the beginning and 82.0 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-12-23 06:10:10,918 INFO L168 Benchmark]: TraceAbstraction took 941.60 ms. Allocated memory is still 151.0 MB. Free memory was 82.0 MB in the beginning and 122.1 MB in the end (delta: -40.1 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 06:10:10,920 INFO L168 Benchmark]: Witness Printer took 8.30 ms. Allocated memory is still 151.0 MB. Free memory was 122.1 MB in the beginning and 121.7 MB in the end (delta: 430.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 06:10:10,928 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 124.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 516.25 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 113.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 100.26 ms. Allocated memory is still 151.0 MB. Free memory was 113.0 MB in the beginning and 110.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 87.70 ms. Allocated memory is still 151.0 MB. Free memory was 110.3 MB in the beginning and 108.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 606.04 ms. Allocated memory is still 151.0 MB. Free memory was 108.2 MB in the beginning and 82.0 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 941.60 ms. Allocated memory is still 151.0 MB. Free memory was 82.0 MB in the beginning and 122.1 MB in the end (delta: -40.1 MB). There was no memory consumed. Max. memory is 8.0 GB. * Witness Printer took 8.30 ms. Allocated memory is still 151.0 MB. Free memory was 122.1 MB in the beginning and 121.7 MB in the end (delta: 430.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 161]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 160, overapproximation of someUnaryDOUBLEoperation at line 156. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L156] double x = -0.0; [L67] double w, s1, s2, z; [L68] __int32_t ix, hx, id; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L71] ieee_double_shape_type gh_u; [L72] gh_u.value = (x) [L73] EXPR gh_u.parts.msw [L73] (hx) = gh_u.parts.msw [L75] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L76] COND FALSE !(ix >= 0x44100000) VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L90] COND TRUE ix < 0x3fdc0000 VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L91] COND TRUE ix < 0x3e200000 VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L92] COND TRUE huge_atan + x > one_atan [L93] return x; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L157] double res = atan_double(x); [L160] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L160] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L161] reach_error() VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 104 SDtfs, 21 SDslu, 34 SDs, 0 SdLazy, 20 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred 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, 2 MinimizatonAttempts, 15 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 268 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...