/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_1131a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 06:11:32,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 06:11:32,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 06:11:32,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 06:11:32,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 06:11:32,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 06:11:32,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 06:11:32,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 06:11:32,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 06:11:32,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 06:11:32,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 06:11:32,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 06:11:32,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 06:11:32,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 06:11:32,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 06:11:32,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 06:11:32,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 06:11:32,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 06:11:32,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 06:11:32,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 06:11:32,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 06:11:32,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 06:11:32,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 06:11:32,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 06:11:32,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 06:11:32,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 06:11:32,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 06:11:32,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 06:11:32,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 06:11:32,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 06:11:32,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 06:11:32,966 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 06:11:32,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 06:11:32,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 06:11:32,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 06:11:32,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 06:11:32,970 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 06:11:33,028 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 06:11:33,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 06:11:33,030 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 06:11:33,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 06:11:33,032 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 06:11:33,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 06:11:33,032 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 06:11:33,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 06:11:33,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 06:11:33,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 06:11:33,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 06:11:33,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 06:11:33,034 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 06:11:33,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 06:11:33,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 06:11:33,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 06:11:33,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 06:11:33,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 06:11:33,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 06:11:33,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 06:11:33,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 06:11:33,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 06:11:33,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 06:11:33,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 06:11:33,037 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 06:11:33,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 06:11:33,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 06:11:33,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 06:11:33,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 06:11:33,531 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 06:11:33,532 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 06:11:33,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1131a.c [2020-12-23 06:11:33,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/b49011f90/e641dd14a1244ae186fb2f8da2dd40f7/FLAGf77dc7137 [2020-12-23 06:11:34,389 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 06:11:34,390 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c [2020-12-23 06:11:34,401 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/b49011f90/e641dd14a1244ae186fb2f8da2dd40f7/FLAGf77dc7137 [2020-12-23 06:11:34,686 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/b49011f90/e641dd14a1244ae186fb2f8da2dd40f7 [2020-12-23 06:11:34,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 06:11:34,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 06:11:34,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 06:11:34,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 06:11:34,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 06:11:34,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:11:34" (1/1) ... [2020-12-23 06:11:34,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@179cd306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:34, skipping insertion in model container [2020-12-23 06:11:34,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:11:34" (1/1) ... [2020-12-23 06:11:34,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 06:11:34,761 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: StructLHS[VariableLHS[~ew_u~1,],value] left hand side expression in assignment: lhs: VariableLHS[~hy~0,] left hand side expression in assignment: lhs: VariableLHS[~ly~0,] left hand side expression in assignment: lhs: VariableLHS[~sx~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: VariableLHS[~ix~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~ix~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~ix~0,] left hand side expression in assignment: lhs: VariableLHS[~iy~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~iy~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~iy~0,] -----Light side constant value:false left hand side expression in assignment: lhs: VariableLHS[~hx~0,] ----Is the binary operator a bitwise operator? true -----Light side constant value:false -----Light side constant value:false left hand side expression in assignment: lhs: VariableLHS[~n~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[~hx~0,] left hand side expression in assignment: lhs: VariableLHS[~lx~0,] -----Light side constant value:false left hand side expression in assignment: lhs: VariableLHS[~hy~0,] ----Is the binary operator a bitwise operator? true -----Light side constant value:false -----Light side constant value:false left hand side expression in assignment: lhs: VariableLHS[~n~0,] left hand side expression in assignment: lhs: VariableLHS[~hy~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: VariableLHS[~hy~0,] left hand side expression in assignment: lhs: VariableLHS[~ly~0,] left hand side expression in assignment: lhs: VariableLHS[~n~0,] left hand side expression in assignment: lhs: VariableLHS[~hz~0,] left hand side expression in assignment: lhs: VariableLHS[~lz~0,] 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[~hx~0,] left hand side expression in assignment: lhs: VariableLHS[~lx~0,] left hand side expression in assignment: lhs: VariableLHS[~hz~0,] left hand side expression in assignment: lhs: VariableLHS[~lz~0,] 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[~hx~0,] left hand side expression in assignment: lhs: VariableLHS[~lx~0,] left hand side expression in assignment: lhs: VariableLHS[~hx~0,] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~iw_u~0,],parts],msw] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~iw_u~0,],parts],lsw] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: VariableLHS[~n~0,] left hand side expression in assignment: lhs: VariableLHS[~lx~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: VariableLHS[~lx~0,] ----Is the binary operator a bitwise operator? true 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[~hx~0,] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~iw_u~1,],parts],msw] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~iw_u~1,],parts],lsw] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gh_u~0,],value] left hand side expression in assignment: lhs: VariableLHS[~hx~1,] [2020-12-23 06:11:34,986 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_1131a.c[4189,4202] [2020-12-23 06:11:34,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 06:11:34,997 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: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#ew_u~1,],base],StructAccessExpression[IdentifierExpression[~#ew_u~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~hy~0,] left hand side expression in assignment: lhs: VariableLHS[~ly~0,] left hand side expression in assignment: lhs: VariableLHS[~sx~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: VariableLHS[~ix~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~ix~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~ix~0,] left hand side expression in assignment: lhs: VariableLHS[~iy~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~iy~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~iy~0,] -----Light side constant value:false left hand side expression in assignment: lhs: VariableLHS[~hx~0,] ----Is the binary operator a bitwise operator? true -----Light side constant value:false -----Light side constant value:false left hand side expression in assignment: lhs: VariableLHS[~n~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[~hx~0,] left hand side expression in assignment: lhs: VariableLHS[~lx~0,] -----Light side constant value:false left hand side expression in assignment: lhs: VariableLHS[~hy~0,] ----Is the binary operator a bitwise operator? true -----Light side constant value:false -----Light side constant value:false left hand side expression in assignment: lhs: VariableLHS[~n~0,] left hand side expression in assignment: lhs: VariableLHS[~hy~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: VariableLHS[~hy~0,] left hand side expression in assignment: lhs: VariableLHS[~ly~0,] left hand side expression in assignment: lhs: VariableLHS[~n~0,] left hand side expression in assignment: lhs: VariableLHS[~hz~0,] left hand side expression in assignment: lhs: VariableLHS[~lz~0,] 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[~hx~0,] left hand side expression in assignment: lhs: VariableLHS[~lx~0,] left hand side expression in assignment: lhs: VariableLHS[~hz~0,] left hand side expression in assignment: lhs: VariableLHS[~lz~0,] 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[~hx~0,] left hand side expression in assignment: lhs: VariableLHS[~lx~0,] left hand side expression in assignment: lhs: VariableLHS[~hx~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#iw_u~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~#iw_u~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#iw_u~0,],base],StructAccessExpression[IdentifierExpression[~#iw_u~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: VariableLHS[~n~0,] left hand side expression in assignment: lhs: VariableLHS[~lx~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: VariableLHS[~lx~0,] ----Is the binary operator a bitwise operator? true 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[~hx~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#iw_u~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~#iw_u~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#iw_u~1,],base],StructAccessExpression[IdentifierExpression[~#iw_u~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~x,] 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~1,] [2020-12-23 06:11:35,101 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_1131a.c[4189,4202] [2020-12-23 06:11:35,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 06:11:35,135 INFO L208 MainTranslator]: Completed translation [2020-12-23 06:11:35,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:35 WrapperNode [2020-12-23 06:11:35,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 06:11:35,139 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 06:11:35,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 06:11:35,139 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 06:11:35,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:35" (1/1) ... [2020-12-23 06:11:35,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:35" (1/1) ... [2020-12-23 06:11:35,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 06:11:35,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 06:11:35,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 06:11:35,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 06:11:35,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:35" (1/1) ... [2020-12-23 06:11:35,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:35" (1/1) ... [2020-12-23 06:11:35,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:35" (1/1) ... [2020-12-23 06:11:35,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:35" (1/1) ... [2020-12-23 06:11:35,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:35" (1/1) ... [2020-12-23 06:11:35,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:35" (1/1) ... [2020-12-23 06:11:35,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:35" (1/1) ... [2020-12-23 06:11:35,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 06:11:35,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 06:11:35,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 06:11:35,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 06:11:35,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:35" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 06:11:35,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 06:11:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 06:11:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 06:11:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-23 06:11:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-23 06:11:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 06:11:35,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 06:11:35,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 06:11:35,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-23 06:11:35,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 06:11:36,665 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 06:11:36,665 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2020-12-23 06:11:36,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:11:36 BoogieIcfgContainer [2020-12-23 06:11:36,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 06:11:36,670 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 06:11:36,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 06:11:36,673 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 06:11:36,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 06:11:34" (1/3) ... [2020-12-23 06:11:36,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a098bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:11:36, skipping insertion in model container [2020-12-23 06:11:36,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:35" (2/3) ... [2020-12-23 06:11:36,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a098bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:11:36, skipping insertion in model container [2020-12-23 06:11:36,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:11:36" (3/3) ... [2020-12-23 06:11:36,677 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131a.c [2020-12-23 06:11:36,684 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 06:11:36,690 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 06:11:36,711 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 06:11:36,741 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 06:11:36,741 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 06:11:36,741 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 06:11:36,742 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 06:11:36,742 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 06:11:36,742 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 06:11:36,742 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 06:11:36,742 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 06:11:36,761 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2020-12-23 06:11:36,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-23 06:11:36,767 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 06:11:36,768 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 06:11:36,768 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 06:11:36,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 06:11:36,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1228354396, now seen corresponding path program 1 times [2020-12-23 06:11:36,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 06:11:36,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364304189] [2020-12-23 06:11:36,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 06:11:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 06:11:36,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 06:11:36,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364304189] [2020-12-23 06:11:36,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 06:11:36,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 06:11:36,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246703598] [2020-12-23 06:11:36,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 06:11:36,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 06:11:36,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 06:11:37,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 06:11:37,003 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 2 states. [2020-12-23 06:11:37,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 06:11:37,065 INFO L93 Difference]: Finished difference Result 182 states and 326 transitions. [2020-12-23 06:11:37,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 06:11:37,067 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2020-12-23 06:11:37,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 06:11:37,097 INFO L225 Difference]: With dead ends: 182 [2020-12-23 06:11:37,098 INFO L226 Difference]: Without dead ends: 88 [2020-12-23 06:11:37,103 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 06:11:37,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-12-23 06:11:37,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2020-12-23 06:11:37,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-12-23 06:11:37,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2020-12-23 06:11:37,178 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 14 [2020-12-23 06:11:37,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 06:11:37,179 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2020-12-23 06:11:37,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 06:11:37,180 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2020-12-23 06:11:37,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-23 06:11:37,181 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 06:11:37,181 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 06:11:37,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 06:11:37,182 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 06:11:37,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 06:11:37,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1196316516, now seen corresponding path program 1 times [2020-12-23 06:11:37,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 06:11:37,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868165478] [2020-12-23 06:11:37,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 06:11:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 06:11:37,715 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 06:11:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 06:11:38,066 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 06:11:38,119 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 06:11:38,119 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 06:11:38,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 06:11:38,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 06:11:38 BoogieIcfgContainer [2020-12-23 06:11:38,181 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 06:11:38,182 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 06:11:38,182 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 06:11:38,182 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 06:11:38,183 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:11:36" (3/4) ... [2020-12-23 06:11:38,186 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-23 06:11:38,187 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 06:11:38,189 INFO L168 Benchmark]: Toolchain (without parser) took 3496.09 ms. Allocated memory was 151.0 MB in the beginning and 200.3 MB in the end (delta: 49.3 MB). Free memory was 125.4 MB in the beginning and 134.3 MB in the end (delta: -8.8 MB). Peak memory consumption was 41.2 MB. Max. memory is 8.0 GB. [2020-12-23 06:11:38,190 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 124.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 06:11:38,191 INFO L168 Benchmark]: CACSL2BoogieTranslator took 441.71 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 110.4 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-12-23 06:11:38,192 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.80 ms. Allocated memory is still 151.0 MB. Free memory was 110.2 MB in the beginning and 103.9 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-23 06:11:38,193 INFO L168 Benchmark]: Boogie Preprocessor took 170.26 ms. Allocated memory is still 151.0 MB. Free memory was 103.9 MB in the beginning and 129.6 MB in the end (delta: -25.7 MB). Peak memory consumption was 8.8 MB. Max. memory is 8.0 GB. [2020-12-23 06:11:38,194 INFO L168 Benchmark]: RCFGBuilder took 1216.29 ms. Allocated memory is still 151.0 MB. Free memory was 129.6 MB in the beginning and 69.1 MB in the end (delta: 60.4 MB). Peak memory consumption was 60.8 MB. Max. memory is 8.0 GB. [2020-12-23 06:11:38,195 INFO L168 Benchmark]: TraceAbstraction took 1511.21 ms. Allocated memory was 151.0 MB in the beginning and 200.3 MB in the end (delta: 49.3 MB). Free memory was 68.6 MB in the beginning and 134.8 MB in the end (delta: -66.1 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 06:11:38,196 INFO L168 Benchmark]: Witness Printer took 5.35 ms. Allocated memory is still 200.3 MB. Free memory was 134.8 MB in the beginning and 134.3 MB in the end (delta: 526.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 06:11:38,201 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 151.0 MB. Free memory is still 124.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 441.71 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 110.4 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 132.80 ms. Allocated memory is still 151.0 MB. Free memory was 110.2 MB in the beginning and 103.9 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 170.26 ms. Allocated memory is still 151.0 MB. Free memory was 103.9 MB in the beginning and 129.6 MB in the end (delta: -25.7 MB). Peak memory consumption was 8.8 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1216.29 ms. Allocated memory is still 151.0 MB. Free memory was 129.6 MB in the beginning and 69.1 MB in the end (delta: 60.4 MB). Peak memory consumption was 60.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1511.21 ms. Allocated memory was 151.0 MB in the beginning and 200.3 MB in the end (delta: 49.3 MB). Free memory was 68.6 MB in the beginning and 134.8 MB in the end (delta: -66.1 MB). There was no memory consumed. Max. memory is 8.0 GB. * Witness Printer took 5.35 ms. Allocated memory is still 200.3 MB. Free memory was 134.8 MB in the beginning and 134.3 MB in the end (delta: 526.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 191]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 46, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of someBinaryArithmeticDOUBLEoperation at line 47, overapproximation of bitwiseAnd at line 43, overapproximation of someBinaryDOUBLEComparisonOperation at line 190, overapproximation of bitwiseXOr at line 42. Possible FailurePath: [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={9:0}] [L182] double y = 1.0 / 0.0; [L183] double x = __VERIFIER_nondet_double(); [L166] __int32_t hx; VAL [one_fmod=1, Zero_fmod={9:0}] [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 [one_fmod=1, Zero_fmod={9:0}] [L185] COND TRUE isfinite_double(x) [L26] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L27] __uint32_t lx, ly, lz; VAL [one_fmod=1, Zero_fmod={9:0}] [L30] ieee_double_shape_type ew_u; [L31] ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] (hx) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] (lx) = ew_u.parts.lsw [L36] ieee_double_shape_type ew_u; [L37] ew_u.value = (y) [L38] EXPR ew_u.parts.msw [L38] (hy) = ew_u.parts.msw [L39] EXPR ew_u.parts.lsw [L39] (ly) = ew_u.parts.lsw [L41] sx = hx & 0x80000000 VAL [one_fmod=1, Zero_fmod={9:0}] [L42] hx ^= sx [L43] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={9:0}] [L45-L46] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L47] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={9:0}] [L187] double res = fmod_double(x, y); [L190] COND TRUE res != x VAL [one_fmod=1, Zero_fmod={9:0}] [L191] reach_error() VAL [one_fmod=1, Zero_fmod={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 139 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=92occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 169 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...