/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_0970b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 16:05:30,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 16:05:30,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 16:05:30,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 16:05:30,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 16:05:30,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 16:05:30,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 16:05:30,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 16:05:30,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 16:05:30,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 16:05:30,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 16:05:30,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 16:05:30,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 16:05:30,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 16:05:30,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 16:05:30,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 16:05:30,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 16:05:30,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 16:05:30,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 16:05:30,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 16:05:30,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 16:05:30,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 16:05:30,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 16:05:30,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 16:05:30,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 16:05:30,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 16:05:30,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 16:05:30,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 16:05:30,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 16:05:30,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 16:05:30,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 16:05:30,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 16:05:30,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 16:05:30,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 16:05:30,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 16:05:30,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 16:05:30,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 16:05:30,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 16:05:30,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 16:05:30,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 16:05:30,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 16:05:30,613 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 16:05:30,667 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 16:05:30,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 16:05:30,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 16:05:30,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 16:05:30,674 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 16:05:30,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 16:05:30,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 16:05:30,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 16:05:30,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 16:05:30,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 16:05:30,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 16:05:30,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 16:05:30,677 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 16:05:30,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 16:05:30,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 16:05:30,678 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 16:05:30,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 16:05:30,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 16:05:30,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 16:05:30,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 16:05:30,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 16:05:30,679 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 16:05:30,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 16:05:30,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 16:05:30,680 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 16:05:30,680 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 16:05:31,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 16:05:31,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 16:05:31,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 16:05:31,176 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 16:05:31,177 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 16:05:31,178 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0970b.c [2021-01-06 16:05:31,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cd2288794/0d179a57a60d457faab20b66c1675422/FLAG2b38c606d [2021-01-06 16:05:31,889 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 16:05:31,893 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0970b.c [2021-01-06 16:05:31,907 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cd2288794/0d179a57a60d457faab20b66c1675422/FLAG2b38c606d [2021-01-06 16:05:32,197 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cd2288794/0d179a57a60d457faab20b66c1675422 [2021-01-06 16:05:32,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 16:05:32,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 16:05:32,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 16:05:32,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 16:05:32,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 16:05:32,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 04:05:32" (1/1) ... [2021-01-06 16:05:32,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d77f966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:05:32, skipping insertion in model container [2021-01-06 16:05:32,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 04:05:32" (1/1) ... [2021-01-06 16:05:32,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 16:05:32,268 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: StructLHS[VariableLHS[~ew_u~0,],value] left hand side expression in assignment: lhs: VariableLHS[~hx~0,] left hand side expression in assignment: lhs: VariableLHS[~lx~0,] left hand side expression in assignment: lhs: VariableLHS[~k~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gh_u~0,],value] left hand side expression in assignment: lhs: VariableLHS[~hx~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] ----Is the binary operator a bitwise operator? true 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: VariableLHS[~f~0,] left hand side expression in assignment: lhs: VariableLHS[~dk~0,] left hand side expression in assignment: lhs: VariableLHS[~R~0,] left hand side expression in assignment: lhs: VariableLHS[~dk~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,] left hand side expression in assignment: lhs: VariableLHS[~dk~0,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~w~0,] left hand side expression in assignment: lhs: VariableLHS[~j~0,] left hand side expression in assignment: lhs: VariableLHS[~t1~0,] left hand side expression in assignment: lhs: VariableLHS[~t2~0,] left hand side expression in assignment: lhs: VariableLHS[~R~0,] left hand side expression in assignment: lhs: VariableLHS[~hfsq~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~ew_u~1,],value] left hand side expression in assignment: lhs: VariableLHS[~hx~1,] left hand side expression in assignment: lhs: VariableLHS[~lx~1,] left hand side expression in assignment: lhs: VariableLHS[~k~1,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gh_u~1,],value] left hand side expression in assignment: lhs: VariableLHS[~hx~1,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: lhs: VariableLHS[~hx~1,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: VariableLHS[~y~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~sh_u~1,],value] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~sh_u~1,],parts],msw] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: VariableLHS[~z~1,] [2021-01-06 16:05:32,483 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_0970b.c[4615,4628] [2021-01-06 16:05:32,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 16:05:32,499 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#ew_u~0,],base],StructAccessExpression[IdentifierExpression[~#ew_u~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~hx~0,] left hand side expression in assignment: lhs: VariableLHS[~lx~0,] left hand side expression in assignment: lhs: VariableLHS[~k~0,] 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[~hx~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] ----Is the binary operator a bitwise operator? true 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: lhs: VariableLHS[~f~0,] left hand side expression in assignment: lhs: VariableLHS[~dk~0,] left hand side expression in assignment: lhs: VariableLHS[~R~0,] left hand side expression in assignment: lhs: VariableLHS[~dk~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,] left hand side expression in assignment: lhs: VariableLHS[~dk~0,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~w~0,] left hand side expression in assignment: lhs: VariableLHS[~j~0,] left hand side expression in assignment: lhs: VariableLHS[~t1~0,] left hand side expression in assignment: lhs: VariableLHS[~t2~0,] left hand side expression in assignment: lhs: VariableLHS[~R~0,] left hand side expression in assignment: lhs: VariableLHS[~hfsq~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#ew_u~1,],base],StructAccessExpression[IdentifierExpression[~#ew_u~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~hx~1,] left hand side expression in assignment: lhs: VariableLHS[~lx~1,] left hand side expression in assignment: lhs: VariableLHS[~k~1,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: lhs: VariableLHS[~hx~1,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: VariableLHS[~y~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sh_u~1,],base],StructAccessExpression[IdentifierExpression[~#sh_u~1,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sh_u~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~#sh_u~1,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: VariableLHS[~z~1,] [2021-01-06 16:05:32,627 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_0970b.c[4615,4628] [2021-01-06 16:05:32,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 16:05:32,669 INFO L208 MainTranslator]: Completed translation [2021-01-06 16:05:32,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:05:32 WrapperNode [2021-01-06 16:05:32,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 16:05:32,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 16:05:32,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 16:05:32,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 16:05:32,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:05:32" (1/1) ... [2021-01-06 16:05:32,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:05:32" (1/1) ... [2021-01-06 16:05:32,734 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 16:05:32,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 16:05:32,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 16:05:32,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 16:05:32,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:05:32" (1/1) ... [2021-01-06 16:05:32,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:05:32" (1/1) ... [2021-01-06 16:05:32,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:05:32" (1/1) ... [2021-01-06 16:05:32,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:05:32" (1/1) ... [2021-01-06 16:05:32,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:05:32" (1/1) ... [2021-01-06 16:05:32,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:05:32" (1/1) ... [2021-01-06 16:05:32,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:05:32" (1/1) ... [2021-01-06 16:05:32,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 16:05:32,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 16:05:32,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 16:05:32,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 16:05:32,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:05:32" (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 [2021-01-06 16:05:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 16:05:32,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 16:05:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-01-06 16:05:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-06 16:05:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-01-06 16:05:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 16:05:32,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 16:05:32,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-06 16:05:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-06 16:05:33,661 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 16:05:33,661 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-01-06 16:05:33,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:05:33 BoogieIcfgContainer [2021-01-06 16:05:33,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 16:05:33,667 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 16:05:33,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 16:05:33,671 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 16:05:33,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 04:05:32" (1/3) ... [2021-01-06 16:05:33,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@345c45b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 04:05:33, skipping insertion in model container [2021-01-06 16:05:33,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:05:32" (2/3) ... [2021-01-06 16:05:33,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@345c45b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 04:05:33, skipping insertion in model container [2021-01-06 16:05:33,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:05:33" (3/3) ... [2021-01-06 16:05:33,677 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970b.c [2021-01-06 16:05:33,689 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 16:05:33,695 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 16:05:33,718 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 16:05:33,771 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 16:05:33,772 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 16:05:33,772 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 16:05:33,772 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 16:05:33,772 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 16:05:33,772 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 16:05:33,773 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 16:05:33,773 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 16:05:33,796 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2021-01-06 16:05:33,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-01-06 16:05:33,805 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:05:33,806 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 16:05:33,806 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:05:33,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:05:33,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1033366539, now seen corresponding path program 1 times [2021-01-06 16:05:33,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:05:33,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973237494] [2021-01-06 16:05:33,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:05:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 16:05:34,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 16:05:34,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973237494] [2021-01-06 16:05:34,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 16:05:34,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 16:05:34,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715350355] [2021-01-06 16:05:34,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 16:05:34,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 16:05:34,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 16:05:34,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 16:05:34,031 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 2 states. [2021-01-06 16:05:34,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 16:05:34,057 INFO L93 Difference]: Finished difference Result 100 states and 170 transitions. [2021-01-06 16:05:34,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 16:05:34,058 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2021-01-06 16:05:34,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 16:05:34,071 INFO L225 Difference]: With dead ends: 100 [2021-01-06 16:05:34,071 INFO L226 Difference]: Without dead ends: 48 [2021-01-06 16:05:34,075 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 [2021-01-06 16:05:34,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-01-06 16:05:34,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2021-01-06 16:05:34,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2021-01-06 16:05:34,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 68 transitions. [2021-01-06 16:05:34,116 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 68 transitions. Word has length 10 [2021-01-06 16:05:34,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 16:05:34,117 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 68 transitions. [2021-01-06 16:05:34,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 16:05:34,117 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2021-01-06 16:05:34,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-01-06 16:05:34,118 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:05:34,118 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 16:05:34,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 16:05:34,119 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:05:34,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:05:34,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1301940658, now seen corresponding path program 1 times [2021-01-06 16:05:34,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:05:34,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797074053] [2021-01-06 16:05:34,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:05:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 16:05:34,197 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 16:05:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 16:05:34,280 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 16:05:34,339 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-06 16:05:34,340 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-06 16:05:34,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 16:05:34,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 04:05:34 BoogieIcfgContainer [2021-01-06 16:05:34,389 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 16:05:34,390 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 16:05:34,390 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 16:05:34,390 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 16:05:34,391 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:05:33" (3/4) ... [2021-01-06 16:05:34,434 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-01-06 16:05:34,441 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 16:05:34,444 INFO L168 Benchmark]: Toolchain (without parser) took 2240.54 ms. Allocated memory is still 158.3 MB. Free memory was 133.2 MB in the beginning and 138.6 MB in the end (delta: -5.4 MB). Peak memory consumption was 85.9 MB. Max. memory is 8.0 GB. [2021-01-06 16:05:34,444 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 158.3 MB. Free memory is still 136.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 16:05:34,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 466.06 ms. Allocated memory is still 158.3 MB. Free memory was 132.7 MB in the beginning and 119.7 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-01-06 16:05:34,446 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.88 ms. Allocated memory is still 158.3 MB. Free memory was 119.5 MB in the beginning and 117.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 16:05:34,447 INFO L168 Benchmark]: Boogie Preprocessor took 50.16 ms. Allocated memory is still 158.3 MB. Free memory was 117.0 MB in the beginning and 114.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 16:05:34,448 INFO L168 Benchmark]: RCFGBuilder took 876.12 ms. Allocated memory is still 158.3 MB. Free memory was 114.4 MB in the beginning and 81.8 MB in the end (delta: 32.7 MB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. [2021-01-06 16:05:34,449 INFO L168 Benchmark]: TraceAbstraction took 722.18 ms. Allocated memory is still 158.3 MB. Free memory was 81.3 MB in the beginning and 54.7 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2021-01-06 16:05:34,450 INFO L168 Benchmark]: Witness Printer took 51.24 ms. Allocated memory is still 158.3 MB. Free memory was 54.7 MB in the beginning and 138.7 MB in the end (delta: -84.0 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2021-01-06 16:05:34,455 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 158.3 MB. Free memory is still 136.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 466.06 ms. Allocated memory is still 158.3 MB. Free memory was 132.7 MB in the beginning and 119.7 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 62.88 ms. Allocated memory is still 158.3 MB. Free memory was 119.5 MB in the beginning and 117.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 50.16 ms. Allocated memory is still 158.3 MB. Free memory was 117.0 MB in the beginning and 114.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 876.12 ms. Allocated memory is still 158.3 MB. Free memory was 114.4 MB in the beginning and 81.8 MB in the end (delta: 32.7 MB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 722.18 ms. Allocated memory is still 158.3 MB. Free memory was 81.3 MB in the beginning and 54.7 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Witness Printer took 51.24 ms. Allocated memory is still 158.3 MB. Free memory was 54.7 MB in the beginning and 138.7 MB in the end (delta: -84.0 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 177]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 134, overapproximation of someBinaryArithmeticDOUBLEoperation at line 135, overapproximation of bitwiseAnd at line 134, overapproximation of someBinaryDOUBLEComparisonOperation at line 163. Possible FailurePath: [L19-L28] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L30] static const double zero = 0.0; [L113-L116] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L118] static const double zero_log10 = 0.0; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L172] double x = -1.0 / 0.0; [L121] double y, z; [L122] __int32_t i, k, hx; [L123] __uint32_t lx; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L126] ieee_double_shape_type ew_u; [L127] ew_u.value = (x) [L128] EXPR ew_u.parts.msw [L128] (hx) = ew_u.parts.msw [L129] EXPR ew_u.parts.lsw [L129] (lx) = ew_u.parts.lsw [L132] k = 0 VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L133] COND TRUE hx < 0x00100000 VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L134] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L135] return -two54_log10 / zero_log10; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L173] double res = __ieee754_log10(x); [L163] return x != x; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L176] COND TRUE !isnan_double(res) [L177] reach_error() VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 71 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=51occurred 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...