/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/float_req_bl_1271b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 16:07:10,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 16:07:10,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 16:07:10,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 16:07:10,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 16:07:10,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 16:07:10,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 16:07:10,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 16:07:10,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 16:07:10,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 16:07:10,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 16:07:10,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 16:07:10,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 16:07:10,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 16:07:10,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 16:07:10,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 16:07:10,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 16:07:10,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 16:07:10,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 16:07:10,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 16:07:10,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 16:07:10,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 16:07:10,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 16:07:10,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 16:07:10,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-06 16:07:10,826 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 16:07:10,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 16:07:10,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 16:07:10,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 16:07:10,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 16:07:10,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 16:07:10,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 16:07:10,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 16:07:10,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 16:07:10,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 16:07:10,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 16:07:10,860 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 16:07:10,907 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 16:07:10,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 16:07:10,911 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 16:07:10,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 16:07:10,912 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 16:07:10,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 16:07:10,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 16:07:10,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 16:07:10,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 16:07:10,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 16:07:10,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 16:07:10,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 16:07:10,914 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 16:07:10,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 16:07:10,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 16:07:10,915 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 16:07:10,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 16:07:10,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 16:07:10,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 16:07:10,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 16:07:10,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 16:07:10,916 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 16:07:10,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 16:07:10,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 16:07:10,917 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 16:07:10,917 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 16:07:11,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 16:07:11,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 16:07:11,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 16:07:11,442 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 16:07:11,443 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 16:07:11,444 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1271b.c [2021-01-06 16:07:11,539 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/5c357b788/2897fc39000a487bbf1fb547125d9ec2/FLAGd74f5aa8f [2021-01-06 16:07:12,213 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 16:07:12,213 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271b.c [2021-01-06 16:07:12,238 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/5c357b788/2897fc39000a487bbf1fb547125d9ec2/FLAGd74f5aa8f [2021-01-06 16:07:12,520 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/5c357b788/2897fc39000a487bbf1fb547125d9ec2 [2021-01-06 16:07:12,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 16:07:12,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 16:07:12,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 16:07:12,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 16:07:12,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 16:07:12,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 04:07:12" (1/1) ... [2021-01-06 16:07:12,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3050be6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:07:12, skipping insertion in model container [2021-01-06 16:07:12,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 04:07:12" (1/1) ... [2021-01-06 16:07:12,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 16:07:12,608 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gf_u~0,],value] left hand side expression in assignment: lhs: VariableLHS[~ix~0,] left hand side expression in assignment: lhs: VariableLHS[~hx~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: VariableLHS[~m~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~ix~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: VariableLHS[~s~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] left hand side expression in assignment: lhs: VariableLHS[~t~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: VariableLHS[~ix~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~sf_u~0,],word] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gf_u~1,],value] left hand side expression in assignment: lhs: VariableLHS[~ha~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gf_u~2,],value] left hand side expression in assignment: lhs: VariableLHS[~hb~0,] left hand side expression in assignment: lhs: VariableLHS[~a~0,] left hand side expression in assignment: lhs: VariableLHS[~b~0,] left hand side expression in assignment: lhs: VariableLHS[~j~0,] left hand side expression in assignment: lhs: VariableLHS[~ha~0,] left hand side expression in assignment: lhs: VariableLHS[~hb~0,] left hand side expression in assignment: lhs: VariableLHS[~a~0,] left hand side expression in assignment: lhs: VariableLHS[~b~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~sf_u~1,],word] left hand side expression in assignment: lhs: VariableLHS[~a~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~sf_u~2,],word] left hand side expression in assignment: lhs: VariableLHS[~b~0,] left hand side expression in assignment: lhs: VariableLHS[~k~0,] left hand side expression in assignment: lhs: VariableLHS[~w~0,] left hand side expression in assignment: lhs: VariableLHS[~w~0,] left hand side expression in assignment: lhs: VariableLHS[~w~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~sf_u~3,],word] left hand side expression in assignment: lhs: VariableLHS[~a~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~sf_u~4,],word] left hand side expression in assignment: lhs: VariableLHS[~b~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~sf_u~5,],word] left hand side expression in assignment: lhs: VariableLHS[~t1~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~sf_u~6,],word] left hand side expression in assignment: lhs: VariableLHS[~a~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~sf_u~7,],word] left hand side expression in assignment: lhs: VariableLHS[~b~0,] left hand side expression in assignment: lhs: VariableLHS[~w~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~sf_u~8,],word] 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[~w~0,] left hand side expression in assignment: lhs: VariableLHS[~a~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~sf_u~9,],word] left hand side expression in assignment: lhs: VariableLHS[~y1~0,] left hand side expression in assignment: lhs: VariableLHS[~y2~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~sf_u~10,],word] 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[~w~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~sf_u~11,],word] left hand side expression in assignment: lhs: VariableLHS[~t1~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gf_u~3,],value] left hand side expression in assignment: lhs: VariableLHS[~ix~1,] [2021-01-06 16:07:12,942 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/float_req_bl_1271b.c[4883,4896] [2021-01-06 16:07:12,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 16:07:12,958 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gf_u~0,],base],StructAccessExpression[IdentifierExpression[~#gf_u~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~ix~0,] left hand side expression in assignment: lhs: VariableLHS[~hx~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: VariableLHS[~m~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~ix~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: VariableLHS[~s~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] left hand side expression in assignment: lhs: VariableLHS[~t~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: VariableLHS[~ix~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sf_u~0,],base],StructAccessExpression[IdentifierExpression[~#sf_u~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gf_u~1,],base],StructAccessExpression[IdentifierExpression[~#gf_u~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~ha~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gf_u~2,],base],StructAccessExpression[IdentifierExpression[~#gf_u~2,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~hb~0,] left hand side expression in assignment: lhs: VariableLHS[~a~0,] left hand side expression in assignment: lhs: VariableLHS[~b~0,] left hand side expression in assignment: lhs: VariableLHS[~j~0,] left hand side expression in assignment: lhs: VariableLHS[~ha~0,] left hand side expression in assignment: lhs: VariableLHS[~hb~0,] left hand side expression in assignment: lhs: VariableLHS[~a~0,] left hand side expression in assignment: lhs: VariableLHS[~b~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sf_u~1,],base],StructAccessExpression[IdentifierExpression[~#sf_u~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~a~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sf_u~2,],base],StructAccessExpression[IdentifierExpression[~#sf_u~2,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~b~0,] left hand side expression in assignment: lhs: VariableLHS[~k~0,] left hand side expression in assignment: lhs: VariableLHS[~w~0,] left hand side expression in assignment: lhs: VariableLHS[~w~0,] left hand side expression in assignment: lhs: VariableLHS[~w~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sf_u~3,],base],StructAccessExpression[IdentifierExpression[~#sf_u~3,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~a~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sf_u~4,],base],StructAccessExpression[IdentifierExpression[~#sf_u~4,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~b~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sf_u~5,],base],StructAccessExpression[IdentifierExpression[~#sf_u~5,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~t1~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sf_u~6,],base],StructAccessExpression[IdentifierExpression[~#sf_u~6,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~a~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sf_u~7,],base],StructAccessExpression[IdentifierExpression[~#sf_u~7,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~b~0,] left hand side expression in assignment: lhs: VariableLHS[~w~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sf_u~8,],base],StructAccessExpression[IdentifierExpression[~#sf_u~8,],offset]]] 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[~w~0,] left hand side expression in assignment: lhs: VariableLHS[~a~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sf_u~9,],base],StructAccessExpression[IdentifierExpression[~#sf_u~9,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~y1~0,] left hand side expression in assignment: lhs: VariableLHS[~y2~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sf_u~10,],base],StructAccessExpression[IdentifierExpression[~#sf_u~10,],offset]]] 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[~w~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sf_u~11,],base],StructAccessExpression[IdentifierExpression[~#sf_u~11,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~t1~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gf_u~3,],base],StructAccessExpression[IdentifierExpression[~#gf_u~3,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~ix~1,] [2021-01-06 16:07:13,017 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/float_req_bl_1271b.c[4883,4896] [2021-01-06 16:07:13,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 16:07:13,037 INFO L208 MainTranslator]: Completed translation [2021-01-06 16:07:13,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:07:13 WrapperNode [2021-01-06 16:07:13,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 16:07:13,039 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 16:07:13,039 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 16:07:13,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 16:07:13,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:07:13" (1/1) ... [2021-01-06 16:07:13,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:07:13" (1/1) ... [2021-01-06 16:07:13,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 16:07:13,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 16:07:13,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 16:07:13,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 16:07:13,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:07:13" (1/1) ... [2021-01-06 16:07:13,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:07:13" (1/1) ... [2021-01-06 16:07:13,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:07:13" (1/1) ... [2021-01-06 16:07:13,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:07:13" (1/1) ... [2021-01-06 16:07:13,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:07:13" (1/1) ... [2021-01-06 16:07:13,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:07:13" (1/1) ... [2021-01-06 16:07:13,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:07:13" (1/1) ... [2021-01-06 16:07:13,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 16:07:13,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 16:07:13,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 16:07:13,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 16:07:13,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:07:13" (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 16:07:13,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 16:07:13,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 16:07:13,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-01-06 16:07:13,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-06 16:07:13,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-01-06 16:07:13,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 16:07:13,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 16:07:13,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-06 16:07:13,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-06 16:07:14,289 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 16:07:14,290 INFO L299 CfgBuilder]: Removed 54 assume(true) statements. [2021-01-06 16:07:14,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:07:14 BoogieIcfgContainer [2021-01-06 16:07:14,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 16:07:14,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 16:07:14,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 16:07:14,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 16:07:14,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 04:07:12" (1/3) ... [2021-01-06 16:07:14,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2c8c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 04:07:14, skipping insertion in model container [2021-01-06 16:07:14,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:07:13" (2/3) ... [2021-01-06 16:07:14,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2c8c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 04:07:14, skipping insertion in model container [2021-01-06 16:07:14,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:07:14" (3/3) ... [2021-01-06 16:07:14,307 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271b.c [2021-01-06 16:07:14,319 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 16:07:14,326 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 16:07:14,350 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 16:07:14,400 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 16:07:14,401 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 16:07:14,401 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 16:07:14,401 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 16:07:14,401 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 16:07:14,402 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 16:07:14,402 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 16:07:14,402 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 16:07:14,428 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2021-01-06 16:07:14,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-01-06 16:07:14,436 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:07:14,437 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 16:07:14,438 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:07:14,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:07:14,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1110684128, now seen corresponding path program 1 times [2021-01-06 16:07:14,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:07:14,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605568214] [2021-01-06 16:07:14,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:07:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 16:07:14,693 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 16:07:14,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605568214] [2021-01-06 16:07:14,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 16:07:14,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 16:07:14,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31763263] [2021-01-06 16:07:14,703 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 16:07:14,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 16:07:14,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 16:07:14,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 16:07:14,725 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2021-01-06 16:07:14,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 16:07:14,798 INFO L93 Difference]: Finished difference Result 246 states and 426 transitions. [2021-01-06 16:07:14,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 16:07:14,800 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-01-06 16:07:14,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 16:07:14,817 INFO L225 Difference]: With dead ends: 246 [2021-01-06 16:07:14,817 INFO L226 Difference]: Without dead ends: 120 [2021-01-06 16:07:14,822 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 16:07:14,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-01-06 16:07:14,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2021-01-06 16:07:14,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2021-01-06 16:07:14,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 158 transitions. [2021-01-06 16:07:14,870 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 158 transitions. Word has length 18 [2021-01-06 16:07:14,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 16:07:14,871 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 158 transitions. [2021-01-06 16:07:14,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 16:07:14,871 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 158 transitions. [2021-01-06 16:07:14,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-01-06 16:07:14,872 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:07:14,872 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 16:07:14,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 16:07:14,873 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:07:14,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:07:14,874 INFO L82 PathProgramCache]: Analyzing trace with hash 56110095, now seen corresponding path program 1 times [2021-01-06 16:07:14,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:07:14,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722128503] [2021-01-06 16:07:14,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:07:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 16:07:15,082 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 16:07:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 16:07:15,260 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 16:07:15,299 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-06 16:07:15,300 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-06 16:07:15,301 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 16:07:15,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 04:07:15 BoogieIcfgContainer [2021-01-06 16:07:15,348 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 16:07:15,349 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 16:07:15,349 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 16:07:15,350 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 16:07:15,350 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:07:14" (3/4) ... [2021-01-06 16:07:15,354 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-01-06 16:07:15,354 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 16:07:15,357 INFO L168 Benchmark]: Toolchain (without parser) took 2828.73 ms. Allocated memory is still 161.5 MB. Free memory was 137.5 MB in the beginning and 65.1 MB in the end (delta: 72.3 MB). Peak memory consumption was 72.0 MB. Max. memory is 8.0 GB. [2021-01-06 16:07:15,357 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 161.5 MB. Free memory is still 136.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 16:07:15,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 506.03 ms. Allocated memory is still 161.5 MB. Free memory was 137.2 MB in the beginning and 123.2 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-01-06 16:07:15,359 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.31 ms. Allocated memory is still 161.5 MB. Free memory was 123.2 MB in the beginning and 119.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 16:07:15,360 INFO L168 Benchmark]: Boogie Preprocessor took 86.19 ms. Allocated memory is still 161.5 MB. Free memory was 119.9 MB in the beginning and 117.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 16:07:15,361 INFO L168 Benchmark]: RCFGBuilder took 1084.80 ms. Allocated memory is still 161.5 MB. Free memory was 117.0 MB in the beginning and 103.9 MB in the end (delta: 13.1 MB). Peak memory consumption was 15.4 MB. Max. memory is 8.0 GB. [2021-01-06 16:07:15,362 INFO L168 Benchmark]: TraceAbstraction took 1051.15 ms. Allocated memory is still 161.5 MB. Free memory was 103.4 MB in the beginning and 65.6 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 8.0 GB. [2021-01-06 16:07:15,362 INFO L168 Benchmark]: Witness Printer took 4.88 ms. Allocated memory is still 161.5 MB. Free memory was 65.6 MB in the beginning and 65.1 MB in the end (delta: 522.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 16:07:15,367 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 161.5 MB. Free memory is still 136.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 506.03 ms. Allocated memory is still 161.5 MB. Free memory was 137.2 MB in the beginning and 123.2 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 73.31 ms. Allocated memory is still 161.5 MB. Free memory was 123.2 MB in the beginning and 119.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 86.19 ms. Allocated memory is still 161.5 MB. Free memory was 119.9 MB in the beginning and 117.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1084.80 ms. Allocated memory is still 161.5 MB. Free memory was 117.0 MB in the beginning and 103.9 MB in the end (delta: 13.1 MB). Peak memory consumption was 15.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1051.15 ms. Allocated memory is still 161.5 MB. Free memory was 103.4 MB in the beginning and 65.6 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 8.0 GB. * Witness Printer took 4.88 ms. Allocated memory is still 161.5 MB. Free memory was 65.6 MB in the beginning and 65.1 MB in the end (delta: 522.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 241]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 213, overapproximation of someBinaryArithmeticFLOAToperation at line 120, overapproximation of bitwiseAnd at line 98. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L234] float x = __VERIFIER_nondet_float(); [L235] float y = 0.0f / 0.0f; [L217] __int32_t ix; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L219] ieee_float_shape_type gf_u; [L220] gf_u.value = (x) [L221] EXPR gf_u.word [L221] (ix) = gf_u.word [L223] ix &= 0x7fffffff [L224] return (((ix) < 0x7f800000L)); VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L237] COND TRUE isfinite_float(x) [L84] float a = x, b = y, t1, t2, y1, y2, w; [L85] __int32_t j, k, ha, hb; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L88] ieee_float_shape_type gf_u; [L89] gf_u.value = (x) [L90] EXPR gf_u.word [L90] (ha) = gf_u.word [L92] ha &= 0x7fffffffL VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L94] ieee_float_shape_type gf_u; [L95] gf_u.value = (y) [L96] EXPR gf_u.word [L96] (hb) = gf_u.word [L98] hb &= 0x7fffffffL VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L99] COND TRUE hb > ha [L100] a = y [L101] b = x [L102] j = ha [L103] ha = hb [L104] hb = j VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L110] ieee_float_shape_type sf_u; [L111] sf_u.word = (ha) [L112] EXPR sf_u.value [L112] (a) = sf_u.value [L115] ieee_float_shape_type sf_u; [L116] sf_u.word = (hb) [L117] EXPR sf_u.value [L117] (b) = sf_u.value [L119] COND TRUE (ha - hb) > 0xf000000L [L120] return a + b; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L238] float res = __ieee754_hypotf(x, y); [L213] return x != x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L240] COND TRUE !isnan_float(res) [L241] reach_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 124 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 163 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=124occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 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...