/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_0620b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 16:04:39,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 16:04:39,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 16:04:39,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 16:04:39,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 16:04:39,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 16:04:39,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 16:04:39,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 16:04:39,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 16:04:39,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 16:04:39,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 16:04:39,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 16:04:39,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 16:04:39,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 16:04:39,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 16:04:39,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 16:04:39,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 16:04:39,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 16:04:39,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 16:04:39,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 16:04:39,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 16:04:39,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 16:04:39,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 16:04:39,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 16:04:39,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 16:04:39,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 16:04:39,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 16:04:39,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 16:04:39,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 16:04:39,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 16:04:39,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 16:04:39,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 16:04:39,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 16:04:39,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 16:04:39,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 16:04:39,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 16:04:39,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 16:04:39,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 16:04:39,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 16:04:39,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 16:04:39,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 16:04:39,442 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 16:04:39,468 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 16:04:39,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 16:04:39,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 16:04:39,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 16:04:39,470 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 16:04:39,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 16:04:39,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 16:04:39,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 16:04:39,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 16:04:39,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 16:04:39,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 16:04:39,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 16:04:39,472 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 16:04:39,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 16:04:39,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 16:04:39,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 16:04:39,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 16:04:39,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 16:04:39,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 16:04:39,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 16:04:39,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 16:04:39,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 16:04:39,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 16:04:39,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 16:04:39,475 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 16:04:39,475 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 16:04:39,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 16:04:39,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 16:04:39,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 16:04:39,909 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 16:04:39,910 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 16:04:39,911 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0620b.c [2021-01-06 16:04:40,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f1eec4bf2/c86141e4f2aa468fbf264d4e2ccdb6d8/FLAGda705e746 [2021-01-06 16:04:40,663 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 16:04:40,664 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0620b.c [2021-01-06 16:04:40,673 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f1eec4bf2/c86141e4f2aa468fbf264d4e2ccdb6d8/FLAGda705e746 [2021-01-06 16:04:41,029 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f1eec4bf2/c86141e4f2aa468fbf264d4e2ccdb6d8 [2021-01-06 16:04:41,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 16:04:41,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 16:04:41,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 16:04:41,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 16:04:41,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 16:04:41,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 04:04:41" (1/1) ... [2021-01-06 16:04:41,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a10e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:04:41, skipping insertion in model container [2021-01-06 16:04:41,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 04:04:41" (1/1) ... [2021-01-06 16:04:41,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 16:04:41,077 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gh_u~0,],value] left hand side expression in assignment: lhs: VariableLHS[~high~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~sh_u~0,],value] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~sh_u~0,],parts],msw] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gh_u~1,],value] left hand side expression in assignment: lhs: VariableLHS[~hx~0,] left hand side expression in assignment: lhs: VariableLHS[~ix~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gl_u~0,],value] left hand side expression in assignment: lhs: VariableLHS[~low~0,] left hand side expression in assignment: lhs: VariableLHS[~id~0,] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: VariableLHS[~id~0,] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: VariableLHS[~id~0,] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: VariableLHS[~id~0,] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: VariableLHS[~id~0,] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: VariableLHS[~w~0,] left hand side expression in assignment: lhs: VariableLHS[~s1~0,] left hand side expression in assignment: lhs: VariableLHS[~s2~0,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gh_u~2,],value] left hand side expression in assignment: lhs: VariableLHS[~msw~0,] [2021-01-06 16:04:41,284 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_0620b.c[3928,3941] [2021-01-06 16:04:41,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 16:04:41,299 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gh_u~0,],base],StructAccessExpression[IdentifierExpression[~#gh_u~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~high~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sh_u~0,],base],StructAccessExpression[IdentifierExpression[~#sh_u~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sh_u~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~#sh_u~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gh_u~1,],base],StructAccessExpression[IdentifierExpression[~#gh_u~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~hx~0,] left hand side expression in assignment: lhs: VariableLHS[~ix~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gl_u~0,],base],StructAccessExpression[IdentifierExpression[~#gl_u~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~low~0,] left hand side expression in assignment: lhs: VariableLHS[~id~0,] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: VariableLHS[~id~0,] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: VariableLHS[~id~0,] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: VariableLHS[~id~0,] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: VariableLHS[~id~0,] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: VariableLHS[~w~0,] left hand side expression in assignment: lhs: VariableLHS[~s1~0,] left hand side expression in assignment: lhs: VariableLHS[~s2~0,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gh_u~2,],base],StructAccessExpression[IdentifierExpression[~#gh_u~2,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~msw~0,] [2021-01-06 16:04:41,361 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_0620b.c[3928,3941] [2021-01-06 16:04:41,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 16:04:41,385 INFO L208 MainTranslator]: Completed translation [2021-01-06 16:04:41,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:04:41 WrapperNode [2021-01-06 16:04:41,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 16:04:41,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 16:04:41,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 16:04:41,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 16:04:41,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:04:41" (1/1) ... [2021-01-06 16:04:41,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:04:41" (1/1) ... [2021-01-06 16:04:41,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 16:04:41,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 16:04:41,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 16:04:41,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 16:04:41,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:04:41" (1/1) ... [2021-01-06 16:04:41,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:04:41" (1/1) ... [2021-01-06 16:04:41,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:04:41" (1/1) ... [2021-01-06 16:04:41,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:04:41" (1/1) ... [2021-01-06 16:04:41,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:04:41" (1/1) ... [2021-01-06 16:04:41,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:04:41" (1/1) ... [2021-01-06 16:04:41,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:04:41" (1/1) ... [2021-01-06 16:04:41,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 16:04:41,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 16:04:41,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 16:04:41,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 16:04:41,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:04:41" (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 16:04:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 16:04:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 16:04:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-01-06 16:04:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-06 16:04:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-01-06 16:04:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 16:04:41,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 16:04:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-06 16:04:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-01-06 16:04:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-06 16:04:42,272 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 16:04:42,273 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2021-01-06 16:04:42,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:04:42 BoogieIcfgContainer [2021-01-06 16:04:42,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 16:04:42,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 16:04:42,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 16:04:42,281 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 16:04:42,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 04:04:41" (1/3) ... [2021-01-06 16:04:42,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27df22e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 04:04:42, skipping insertion in model container [2021-01-06 16:04:42,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:04:41" (2/3) ... [2021-01-06 16:04:42,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27df22e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 04:04:42, skipping insertion in model container [2021-01-06 16:04:42,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:04:42" (3/3) ... [2021-01-06 16:04:42,284 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0620b.c [2021-01-06 16:04:42,297 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 16:04:42,308 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 16:04:42,333 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 16:04:42,391 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 16:04:42,392 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 16:04:42,392 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 16:04:42,392 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 16:04:42,392 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 16:04:42,392 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 16:04:42,393 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 16:04:42,393 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 16:04:42,421 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2021-01-06 16:04:42,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-01-06 16:04:42,431 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:04:42,432 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 16:04:42,433 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:04:42,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:04:42,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1901597288, now seen corresponding path program 1 times [2021-01-06 16:04:42,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:04:42,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124737032] [2021-01-06 16:04:42,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:04:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 16:04:42,756 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 16:04:42,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124737032] [2021-01-06 16:04:42,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 16:04:42,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 16:04:42,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932352612] [2021-01-06 16:04:42,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 16:04:42,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 16:04:42,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 16:04:42,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 16:04:42,791 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2021-01-06 16:04:42,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 16:04:42,827 INFO L93 Difference]: Finished difference Result 82 states and 134 transitions. [2021-01-06 16:04:42,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 16:04:42,829 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2021-01-06 16:04:42,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 16:04:42,864 INFO L225 Difference]: With dead ends: 82 [2021-01-06 16:04:42,865 INFO L226 Difference]: Without dead ends: 39 [2021-01-06 16:04:42,870 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 16:04:42,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-01-06 16:04:42,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-01-06 16:04:42,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-01-06 16:04:42,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 52 transitions. [2021-01-06 16:04:42,927 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 52 transitions. Word has length 11 [2021-01-06 16:04:42,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 16:04:42,928 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 52 transitions. [2021-01-06 16:04:42,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 16:04:42,928 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2021-01-06 16:04:42,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-01-06 16:04:42,931 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:04:42,932 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 16:04:42,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 16:04:42,933 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:04:42,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:04:42,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1021567882, now seen corresponding path program 1 times [2021-01-06 16:04:42,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:04:42,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787206345] [2021-01-06 16:04:42,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:04:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 16:04:43,124 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 16:04:43,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787206345] [2021-01-06 16:04:43,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 16:04:43,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 16:04:43,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916605900] [2021-01-06 16:04:43,128 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 16:04:43,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 16:04:43,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 16:04:43,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 16:04:43,131 INFO L87 Difference]: Start difference. First operand 39 states and 52 transitions. Second operand 3 states. [2021-01-06 16:04:43,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 16:04:43,213 INFO L93 Difference]: Finished difference Result 84 states and 110 transitions. [2021-01-06 16:04:43,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 16:04:43,213 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2021-01-06 16:04:43,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 16:04:43,218 INFO L225 Difference]: With dead ends: 84 [2021-01-06 16:04:43,218 INFO L226 Difference]: Without dead ends: 57 [2021-01-06 16:04:43,220 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 16:04:43,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-01-06 16:04:43,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 42. [2021-01-06 16:04:43,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2021-01-06 16:04:43,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 55 transitions. [2021-01-06 16:04:43,239 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 55 transitions. Word has length 13 [2021-01-06 16:04:43,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 16:04:43,239 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 55 transitions. [2021-01-06 16:04:43,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 16:04:43,240 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2021-01-06 16:04:43,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-01-06 16:04:43,241 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:04:43,241 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 16:04:43,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 16:04:43,242 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:04:43,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:04:43,243 INFO L82 PathProgramCache]: Analyzing trace with hash -516444155, now seen corresponding path program 1 times [2021-01-06 16:04:43,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:04:43,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483368974] [2021-01-06 16:04:43,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:04:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 16:04:43,326 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 16:04:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 16:04:43,359 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 16:04:43,390 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-06 16:04:43,390 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-06 16:04:43,391 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 16:04:43,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 04:04:43 BoogieIcfgContainer [2021-01-06 16:04:43,449 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 16:04:43,449 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 16:04:43,450 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 16:04:43,450 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 16:04:43,450 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:04:42" (3/4) ... [2021-01-06 16:04:43,454 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-01-06 16:04:43,454 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 16:04:43,456 INFO L168 Benchmark]: Toolchain (without parser) took 2421.70 ms. Allocated memory is still 153.1 MB. Free memory was 128.4 MB in the beginning and 78.7 MB in the end (delta: 49.7 MB). Peak memory consumption was 50.0 MB. Max. memory is 8.0 GB. [2021-01-06 16:04:43,457 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 153.1 MB. Free memory is still 126.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 16:04:43,458 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.85 ms. Allocated memory is still 153.1 MB. Free memory was 128.2 MB in the beginning and 115.5 MB in the end (delta: 12.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-01-06 16:04:43,459 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.59 ms. Allocated memory is still 153.1 MB. Free memory was 115.5 MB in the beginning and 113.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 16:04:43,460 INFO L168 Benchmark]: Boogie Preprocessor took 79.48 ms. Allocated memory is still 153.1 MB. Free memory was 113.1 MB in the beginning and 111.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 16:04:43,461 INFO L168 Benchmark]: RCFGBuilder took 712.86 ms. Allocated memory is still 153.1 MB. Free memory was 111.1 MB in the beginning and 120.1 MB in the end (delta: -9.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 8.0 GB. [2021-01-06 16:04:43,462 INFO L168 Benchmark]: TraceAbstraction took 1171.88 ms. Allocated memory is still 153.1 MB. Free memory was 119.6 MB in the beginning and 79.2 MB in the end (delta: 40.4 MB). Peak memory consumption was 39.8 MB. Max. memory is 8.0 GB. [2021-01-06 16:04:43,463 INFO L168 Benchmark]: Witness Printer took 5.00 ms. Allocated memory is still 153.1 MB. Free memory was 79.2 MB in the beginning and 78.7 MB in the end (delta: 526.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-01-06 16:04:43,467 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 153.1 MB. Free memory is still 126.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 350.85 ms. Allocated memory is still 153.1 MB. Free memory was 128.2 MB in the beginning and 115.5 MB in the end (delta: 12.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 88.59 ms. Allocated memory is still 153.1 MB. Free memory was 115.5 MB in the beginning and 113.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 79.48 ms. Allocated memory is still 153.1 MB. Free memory was 113.1 MB in the beginning and 111.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 712.86 ms. Allocated memory is still 153.1 MB. Free memory was 111.1 MB in the beginning and 120.1 MB in the end (delta: -9.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1171.88 ms. Allocated memory is still 153.1 MB. Free memory was 119.6 MB in the beginning and 79.2 MB in the end (delta: 40.4 MB). Peak memory consumption was 39.8 MB. Max. memory is 8.0 GB. * Witness Printer took 5.00 ms. Allocated memory is still 153.1 MB. Free memory was 79.2 MB in the beginning and 78.7 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: 161]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 160, overapproximation of someUnaryDOUBLEoperation at line 54. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L156] double x = 0.0; [L67] double w, s1, s2, z; [L68] __int32_t ix, hx, id; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L71] ieee_double_shape_type gh_u; [L72] gh_u.value = (x) [L73] EXPR gh_u.parts.msw [L73] (hx) = gh_u.parts.msw [L75] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L76] COND FALSE !(ix >= 0x44100000) VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L90] COND TRUE ix < 0x3fdc0000 VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L91] COND TRUE ix < 0x3e200000 VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L92] COND TRUE huge_atan + x > one_atan [L93] return x; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L157] double res = atan_double(x); [L160] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L160] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L161] reach_error() VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 104 SDtfs, 21 SDslu, 34 SDs, 0 SdLazy, 20 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 15 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 268 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...