/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_0970a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 16:05:30,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 16:05:30,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 16:05:30,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 16:05:30,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 16:05:30,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 16:05:30,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 16:05:30,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 16:05:30,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 16:05:30,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 16:05:30,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 16:05:30,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 16:05:30,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 16:05:30,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 16:05:30,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 16:05:30,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 16:05:30,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 16:05:30,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 16:05:30,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 16:05:30,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 16:05:30,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 16:05:30,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 16:05:30,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 16:05:30,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 16:05:30,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-06 16:05:30,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 16:05:30,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 16:05:30,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 16:05:30,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 16:05:30,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 16:05:30,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 16:05:30,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 16:05:30,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 16:05:30,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 16:05:30,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 16:05:30,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 16:05:30,829 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 16:05:30,880 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 16:05:30,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 16:05:30,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 16:05:30,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 16:05:30,885 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 16:05:30,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 16:05:30,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 16:05:30,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 16:05:30,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 16:05:30,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 16:05:30,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 16:05:30,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 16:05:30,890 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 16:05:30,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 16:05:30,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 16:05:30,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 16:05:30,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 16:05:30,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 16:05:30,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 16:05:30,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 16:05:30,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 16:05:30,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 16:05:30,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 16:05:30,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 16:05:30,892 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 16:05:30,893 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 16:05:31,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 16:05:31,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 16:05:31,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 16:05:31,361 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 16:05:31,362 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 16:05:31,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0970a.c [2021-01-06 16:05:31,456 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e7cc1f975/0cf544e568a54b828f1efda9915f6c95/FLAGad40d3ade [2021-01-06 16:05:32,084 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 16:05:32,085 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0970a.c [2021-01-06 16:05:32,095 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e7cc1f975/0cf544e568a54b828f1efda9915f6c95/FLAGad40d3ade [2021-01-06 16:05:32,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e7cc1f975/0cf544e568a54b828f1efda9915f6c95 [2021-01-06 16:05:32,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 16:05:32,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 16:05:32,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 16:05:32,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 16:05:32,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 16:05:32,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 04:05:32" (1/1) ... [2021-01-06 16:05:32,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cd650ff 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 16:05:32,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 04:05:32" (1/1) ... [2021-01-06 16:05:32,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 16:05:32,494 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,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gh_u~2,],value] left hand side expression in assignment: lhs: VariableLHS[~hx~2,] [2021-01-06 16:05:32,703 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_0970a.c[4903,4916] [2021-01-06 16:05:32,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 16:05:32,718 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,] 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[~hx~2,] [2021-01-06 16:05:32,778 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_0970a.c[4903,4916] [2021-01-06 16:05:32,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 16:05:32,798 INFO L208 MainTranslator]: Completed translation [2021-01-06 16:05:32,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:05:32 WrapperNode [2021-01-06 16:05:32,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 16:05:32,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 16:05:32,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 16:05:32,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 16:05:32,809 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 16:05:32,822 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 16:05:32,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 16:05:32,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 16:05:32,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 16:05:32,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 16:05:32,886 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 16:05:32,886 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 16:05:32,892 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 16:05:32,895 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 16:05:32,921 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 16:05:32,937 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 16:05:32,943 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 16:05:32,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 16:05:32,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 16:05:32,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 16:05:32,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 16:05:32,951 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 16:05:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 16:05:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 16:05:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-01-06 16:05:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-06 16:05:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-01-06 16:05:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 16:05:33,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 16:05:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-06 16:05:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-06 16:05:33,733 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 16:05:33,734 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-01-06 16:05:33,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:05:33 BoogieIcfgContainer [2021-01-06 16:05:33,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 16:05:33,738 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 16:05:33,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 16:05:33,742 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 16:05:33,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 04:05:32" (1/3) ... [2021-01-06 16:05:33,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22bcd9f2 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 16:05:33,744 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 16:05:33,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22bcd9f2 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 16:05:33,744 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 16:05:33,747 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970a.c [2021-01-06 16:05:33,756 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 16:05:33,776 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 16:05:33,805 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 16:05:33,839 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 16:05:33,839 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 16:05:33,840 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 16:05:33,840 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 16:05:33,840 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 16:05:33,840 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 16:05:33,840 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 16:05:33,840 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 16:05:33,859 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2021-01-06 16:05:33,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-01-06 16:05:33,865 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:05:33,866 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 16:05:33,866 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:05:33,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:05:33,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1391334256, now seen corresponding path program 1 times [2021-01-06 16:05:33,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:05:33,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701339084] [2021-01-06 16:05:33,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:05:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 16:05:34,079 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 16:05:34,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701339084] [2021-01-06 16:05:34,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 16:05:34,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 16:05:34,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56850356] [2021-01-06 16:05:34,087 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 16:05:34,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 16:05:34,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 16:05:34,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 16:05:34,111 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 2 states. [2021-01-06 16:05:34,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 16:05:34,158 INFO L93 Difference]: Finished difference Result 113 states and 190 transitions. [2021-01-06 16:05:34,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 16:05:34,160 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2021-01-06 16:05:34,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 16:05:34,198 INFO L225 Difference]: With dead ends: 113 [2021-01-06 16:05:34,199 INFO L226 Difference]: Without dead ends: 54 [2021-01-06 16:05:34,205 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 16:05:34,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-01-06 16:05:34,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-01-06 16:05:34,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2021-01-06 16:05:34,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 75 transitions. [2021-01-06 16:05:34,260 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 75 transitions. Word has length 12 [2021-01-06 16:05:34,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 16:05:34,260 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 75 transitions. [2021-01-06 16:05:34,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 16:05:34,261 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2021-01-06 16:05:34,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-01-06 16:05:34,262 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:05:34,262 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 16:05:34,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 16:05:34,262 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:05:34,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:05:34,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1010953059, now seen corresponding path program 1 times [2021-01-06 16:05:34,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:05:34,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037023832] [2021-01-06 16:05:34,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:05:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 16:05:34,326 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 16:05:34,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037023832] [2021-01-06 16:05:34,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 16:05:34,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 16:05:34,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174824816] [2021-01-06 16:05:34,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 16:05:34,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 16:05:34,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 16:05:34,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 16:05:34,330 INFO L87 Difference]: Start difference. First operand 54 states and 75 transitions. Second operand 3 states. [2021-01-06 16:05:34,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 16:05:34,352 INFO L93 Difference]: Finished difference Result 101 states and 142 transitions. [2021-01-06 16:05:34,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 16:05:34,353 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2021-01-06 16:05:34,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 16:05:34,354 INFO L225 Difference]: With dead ends: 101 [2021-01-06 16:05:34,354 INFO L226 Difference]: Without dead ends: 54 [2021-01-06 16:05:34,356 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 16:05:34,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-01-06 16:05:34,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-01-06 16:05:34,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2021-01-06 16:05:34,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions. [2021-01-06 16:05:34,364 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 13 [2021-01-06 16:05:34,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 16:05:34,365 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions. [2021-01-06 16:05:34,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 16:05:34,365 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2021-01-06 16:05:34,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-01-06 16:05:34,366 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:05:34,366 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 16:05:34,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 16:05:34,367 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:05:34,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:05:34,368 INFO L82 PathProgramCache]: Analyzing trace with hash 36122232, now seen corresponding path program 1 times [2021-01-06 16:05:34,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:05:34,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321298598] [2021-01-06 16:05:34,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:05:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 16:05:34,496 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 16:05:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 16:05:34,589 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 16:05:34,646 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-06 16:05:34,646 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-06 16:05:34,647 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 16:05:34,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 04:05:34 BoogieIcfgContainer [2021-01-06 16:05:34,731 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 16:05:34,731 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 16:05:34,731 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 16:05:34,732 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 16:05:34,732 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 16:05:34,736 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-01-06 16:05:34,736 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 16:05:34,739 INFO L168 Benchmark]: Toolchain (without parser) took 2307.85 ms. Allocated memory is still 151.0 MB. Free memory was 126.3 MB in the beginning and 65.4 MB in the end (delta: 60.9 MB). Peak memory consumption was 60.7 MB. Max. memory is 8.0 GB. [2021-01-06 16:05:34,740 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 124.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 16:05:34,741 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.43 ms. Allocated memory is still 151.0 MB. Free memory was 126.0 MB in the beginning and 112.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-01-06 16:05:34,742 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.87 ms. Allocated memory is still 151.0 MB. Free memory was 112.5 MB in the beginning and 109.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 16:05:34,743 INFO L168 Benchmark]: Boogie Preprocessor took 73.06 ms. Allocated memory is still 151.0 MB. Free memory was 109.6 MB in the beginning and 107.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 16:05:34,744 INFO L168 Benchmark]: RCFGBuilder took 786.87 ms. Allocated memory is still 151.0 MB. Free memory was 107.3 MB in the beginning and 104.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 10.4 MB. Max. memory is 8.0 GB. [2021-01-06 16:05:34,744 INFO L168 Benchmark]: TraceAbstraction took 992.67 ms. Allocated memory is still 151.0 MB. Free memory was 104.2 MB in the beginning and 65.4 MB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 8.0 GB. [2021-01-06 16:05:34,745 INFO L168 Benchmark]: Witness Printer took 5.07 ms. Allocated memory is still 151.0 MB. Free memory is still 65.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 16:05:34,750 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 124.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 363.43 ms. Allocated memory is still 151.0 MB. Free memory was 126.0 MB in the beginning and 112.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 74.87 ms. Allocated memory is still 151.0 MB. Free memory was 112.5 MB in the beginning and 109.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 73.06 ms. Allocated memory is still 151.0 MB. Free memory was 109.6 MB in the beginning and 107.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 786.87 ms. Allocated memory is still 151.0 MB. Free memory was 107.3 MB in the beginning and 104.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 10.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 992.67 ms. Allocated memory is still 151.0 MB. Free memory was 104.2 MB in the beginning and 65.4 MB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 8.0 GB. * Witness Printer took 5.07 ms. Allocated memory is still 151.0 MB. Free memory is still 65.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 190]: 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 163, overapproximation of bitwiseAnd at line 172, overapproximation of someBinaryArithmeticDOUBLEoperation at line 147. 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] [L182] double x = __VERIFIER_nondet_double(); [L184] x < 0 && isfinite_double(x) [L166] __int32_t hx; 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] [L168] ieee_double_shape_type gh_u; [L169] gh_u.value = (x) [L170] EXPR gh_u.parts.msw [L170] (hx) = gh_u.parts.msw [L172] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); 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] [L184] x < 0 && isfinite_double(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] [L184] COND TRUE x < 0 && isfinite_double(x) [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 FALSE !(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] [L146] COND TRUE hx >= 0x7ff00000 [L147] 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] [L186] 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] [L189] COND TRUE !isnan_double(res) [L190] 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, 58 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: 155 SDtfs, 0 SDslu, 70 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 277 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...