/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0210.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 22:57:49,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 22:57:49,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 22:57:49,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 22:57:49,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 22:57:49,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 22:57:49,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 22:57:49,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 22:57:49,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 22:57:49,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 22:57:49,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 22:57:49,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 22:57:49,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 22:57:49,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 22:57:49,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 22:57:49,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 22:57:49,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 22:57:49,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 22:57:49,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 22:57:49,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 22:57:49,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 22:57:49,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 22:57:49,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 22:57:49,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 22:57:49,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-31 22:57:49,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 22:57:49,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 22:57:49,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 22:57:49,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 22:57:49,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 22:57:49,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 22:57:49,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 22:57:49,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 22:57:49,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 22:57:49,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 22:57:49,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 22:57:49,318 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-01-31 22:57:49,325 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 22:57:49,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 22:57:49,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 22:57:49,327 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 22:57:49,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 22:57:49,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 22:57:49,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 22:57:49,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 22:57:49,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 22:57:49,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 22:57:49,328 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 22:57:49,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 22:57:49,328 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 22:57:49,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 22:57:49,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 22:57:49,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 22:57:49,329 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 22:57:49,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 22:57:49,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 22:57:49,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 22:57:49,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-01-31 22:57:49,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 22:57:49,330 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-01-31 22:57:49,330 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 22:57:49,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 22:57:49,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 22:57:49,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 22:57:49,562 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 22:57:49,567 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 22:57:49,569 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0210.c [2022-01-31 22:57:49,624 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5588b84a/d749b56f6a014611ad017dd133ec1cdc/FLAGf4c84f986 [2022-01-31 22:57:50,075 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 22:57:50,075 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0210.c [2022-01-31 22:57:50,085 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5588b84a/d749b56f6a014611ad017dd133ec1cdc/FLAGf4c84f986 [2022-01-31 22:57:50,427 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5588b84a/d749b56f6a014611ad017dd133ec1cdc [2022-01-31 22:57:50,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 22:57:50,431 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 22:57:50,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 22:57:50,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 22:57:50,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 22:57:50,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:57:50" (1/1) ... [2022-01-31 22:57:50,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c336d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:50, skipping insertion in model container [2022-01-31 22:57:50,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:57:50" (1/1) ... [2022-01-31 22:57:50,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 22:57:50,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 22:57:50,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0210.c[15959,15972] [2022-01-31 22:57:50,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 22:57:50,775 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 22:57:50,863 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0210.c[15959,15972] [2022-01-31 22:57:50,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 22:57:50,890 INFO L208 MainTranslator]: Completed translation [2022-01-31 22:57:50,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:50 WrapperNode [2022-01-31 22:57:50,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 22:57:50,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 22:57:50,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 22:57:50,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 22:57:50,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:50" (1/1) ... [2022-01-31 22:57:50,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:50" (1/1) ... [2022-01-31 22:57:50,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:50" (1/1) ... [2022-01-31 22:57:50,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:50" (1/1) ... [2022-01-31 22:57:50,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:50" (1/1) ... [2022-01-31 22:57:50,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:50" (1/1) ... [2022-01-31 22:57:50,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:50" (1/1) ... [2022-01-31 22:57:51,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 22:57:51,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 22:57:51,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 22:57:51,002 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 22:57:51,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:50" (1/1) ... [2022-01-31 22:57:51,015 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 22:57:51,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 22:57:51,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-31 22:57:51,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-31 22:57:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 22:57:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 22:57:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 22:57:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2022-01-31 22:57:51,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2022-01-31 22:57:51,097 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2022-01-31 22:57:51,098 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2022-01-31 22:57:51,098 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-01-31 22:57:51,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2 [2022-01-31 22:57:51,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2 [2022-01-31 22:57:51,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2022-01-31 22:57:51,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2022-01-31 22:57:51,098 INFO L138 BoogieDeclarations]: Found implementation of procedure sin_double [2022-01-31 22:57:51,099 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 22:57:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 22:57:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 22:57:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 22:57:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 22:57:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2022-01-31 22:57:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 22:57:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 22:57:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 22:57:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 22:57:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 22:57:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 22:57:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2022-01-31 22:57:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2022-01-31 22:57:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2022-01-31 22:57:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-01-31 22:57:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2 [2022-01-31 22:57:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2 [2022-01-31 22:57:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2022-01-31 22:57:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2022-01-31 22:57:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure sin_double [2022-01-31 22:57:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 22:57:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 22:57:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 22:57:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-01-31 22:57:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 22:57:51,317 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 22:57:51,320 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 22:57:52,136 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 22:57:52,149 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 22:57:52,149 INFO L299 CfgBuilder]: Removed 63 assume(true) statements. [2022-01-31 22:57:52,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:57:52 BoogieIcfgContainer [2022-01-31 22:57:52,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 22:57:52,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 22:57:52,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 22:57:52,158 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 22:57:52,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 10:57:50" (1/3) ... [2022-01-31 22:57:52,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d062d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:57:52, skipping insertion in model container [2022-01-31 22:57:52,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:50" (2/3) ... [2022-01-31 22:57:52,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d062d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:57:52, skipping insertion in model container [2022-01-31 22:57:52,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:57:52" (3/3) ... [2022-01-31 22:57:52,161 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0210.c [2022-01-31 22:57:52,166 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-01-31 22:57:52,166 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 22:57:52,218 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 22:57:52,225 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=JORDAN [2022-01-31 22:57:52,226 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 22:57:52,261 INFO L276 IsEmpty]: Start isEmpty. Operand has 285 states, 251 states have (on average 1.6374501992031874) internal successors, (411), 252 states have internal predecessors, (411), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2022-01-31 22:57:52,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-01-31 22:57:52,269 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:57:52,269 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:57:52,270 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:57:52,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:57:52,280 INFO L85 PathProgramCache]: Analyzing trace with hash -600049960, now seen corresponding path program 1 times [2022-01-31 22:57:52,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:57:52,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1726381834] [2022-01-31 22:57:52,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:57:52,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:57:52,339 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:57:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:57:52,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:57:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:57:52,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 22:57:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:57:52,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-01-31 22:57:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:57:52,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 22:57:52,763 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:57:52,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1726381834] [2022-01-31 22:57:52,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1726381834] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:57:52,765 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:57:52,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 22:57:52,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930150408] [2022-01-31 22:57:52,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:57:52,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 22:57:52,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:57:52,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 22:57:52,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 22:57:52,802 INFO L87 Difference]: Start difference. First operand has 285 states, 251 states have (on average 1.6374501992031874) internal successors, (411), 252 states have internal predecessors, (411), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-31 22:57:54,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:57:54,195 INFO L93 Difference]: Finished difference Result 562 states and 910 transitions. [2022-01-31 22:57:54,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 22:57:54,197 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-01-31 22:57:54,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:57:54,214 INFO L225 Difference]: With dead ends: 562 [2022-01-31 22:57:54,214 INFO L226 Difference]: Without dead ends: 281 [2022-01-31 22:57:54,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-31 22:57:54,226 INFO L933 BasicCegarLoop]: 356 mSDtfsCounter, 345 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-31 22:57:54,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [362 Valid, 358 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-31 22:57:54,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2022-01-31 22:57:54,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2022-01-31 22:57:54,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 249 states have (on average 1.3815261044176708) internal successors, (344), 249 states have internal predecessors, (344), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-01-31 22:57:54,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 383 transitions. [2022-01-31 22:57:54,380 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 383 transitions. Word has length 22 [2022-01-31 22:57:54,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:57:54,380 INFO L470 AbstractCegarLoop]: Abstraction has 281 states and 383 transitions. [2022-01-31 22:57:54,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-31 22:57:54,381 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 383 transitions. [2022-01-31 22:57:54,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-31 22:57:54,383 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:57:54,383 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:57:54,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 22:57:54,384 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:57:54,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:57:54,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1862275340, now seen corresponding path program 1 times [2022-01-31 22:57:54,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:57:54,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1683836941] [2022-01-31 22:57:54,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:57:54,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:57:54,389 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:57:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 22:57:54,454 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 22:57:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 22:57:54,524 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-01-31 22:57:54,524 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 22:57:54,526 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 22:57:54,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 22:57:54,531 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 22:57:54,533 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 22:57:54,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 10:57:54 BoogieIcfgContainer [2022-01-31 22:57:54,547 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 22:57:54,547 INFO L158 Benchmark]: Toolchain (without parser) took 4116.31ms. Allocated memory was 196.1MB in the beginning and 267.4MB in the end (delta: 71.3MB). Free memory was 139.3MB in the beginning and 184.2MB in the end (delta: -44.9MB). Peak memory consumption was 26.5MB. Max. memory is 8.0GB. [2022-01-31 22:57:54,548 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 196.1MB. Free memory is still 156.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 22:57:54,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 458.23ms. Allocated memory was 196.1MB in the beginning and 267.4MB in the end (delta: 71.3MB). Free memory was 139.0MB in the beginning and 224.9MB in the end (delta: -85.9MB). Peak memory consumption was 12.4MB. Max. memory is 8.0GB. [2022-01-31 22:57:54,549 INFO L158 Benchmark]: Boogie Preprocessor took 109.18ms. Allocated memory is still 267.4MB. Free memory was 224.9MB in the beginning and 218.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-01-31 22:57:54,549 INFO L158 Benchmark]: RCFGBuilder took 1150.64ms. Allocated memory is still 267.4MB. Free memory was 218.6MB in the beginning and 159.9MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 8.0GB. [2022-01-31 22:57:54,550 INFO L158 Benchmark]: TraceAbstraction took 2392.35ms. Allocated memory is still 267.4MB. Free memory was 159.9MB in the beginning and 184.2MB in the end (delta: -24.3MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 22:57:54,551 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 196.1MB. Free memory is still 156.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 458.23ms. Allocated memory was 196.1MB in the beginning and 267.4MB in the end (delta: 71.3MB). Free memory was 139.0MB in the beginning and 224.9MB in the end (delta: -85.9MB). Peak memory consumption was 12.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 109.18ms. Allocated memory is still 267.4MB. Free memory was 224.9MB in the beginning and 218.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1150.64ms. Allocated memory is still 267.4MB. Free memory was 218.6MB in the beginning and 159.9MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2392.35ms. Allocated memory is still 267.4MB. Free memory was 159.9MB in the beginning and 184.2MB in the end (delta: -24.3MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 639]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 528, overapproximation of someBinaryArithmeticDOUBLEoperation at line 612, overapproximation of bitwiseAnd at line 608, overapproximation of someBinaryDOUBLEComparisonOperation at line 82. Possible FailurePath: [L16] static const double huge_floor = 1.0e300; [L105-L107] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L176] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L178-L183] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L185-L187] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L362-L373] static const __int32_t two_over_pi_rempio[] = { 0xA2F983, 0x6E4E44, 0x1529FC, 0x2757D1, 0xF534DD, 0xC0DB62, 0x95993C, 0x439041, 0xFE5163, 0xABDEBB, 0xC561B7, 0x246E3A, 0x424DD2, 0xE00649, 0x2EEA09, 0xD1921C, 0xFE1DEB, 0x1CB129, 0xA73EE8, 0x8235F5, 0x2EBB44, 0x84E99C, 0x7026B4, 0x5F7E41, 0x3991D6, 0x398353, 0x39F49C, 0x845F8B, 0xBDF928, 0x3B1FF8, 0x97FFDE, 0x05980F, 0xEF2F11, 0x8B5A0A, 0x6D1F6D, 0x367ECF, 0x27CB09, 0xB74F46, 0x3F669E, 0x5FEA2D, 0x7527BA, 0xC7EBE5, 0xF17B3D, 0x0739F7, 0x8A5292, 0xEA6BFB, 0x5FB11F, 0x8D5D08, 0x560330, 0x46FC7B, 0x6BABF0, 0xCFBC20, 0x9AF436, 0x1DA9E3, 0x91615E, 0xE61B08, 0x659985, 0x5F14A0, 0x68408D, 0xFFD880, 0x4D7327, 0x310606, 0x1556CA, 0x73A8C9, 0x60E27B, 0xC08C6B, }; [L375-L382] static const __int32_t npio2_hw_rempio[] = { 0x3FF921FB, 0x400921FB, 0x4012D97C, 0x401921FB, 0x401F6A7A, 0x4022D97C, 0x4025FDBB, 0x402921FB, 0x402C463A, 0x402F6A7A, 0x4031475C, 0x4032D97C, 0x40346B9C, 0x4035FDBB, 0x40378FDB, 0x403921FB, 0x403AB41B, 0x403C463A, 0x403DD85A, 0x403F6A7A, 0x40407E4C, 0x4041475C, 0x4042106C, 0x4042D97C, 0x4043A28C, 0x40446B9C, 0x404534AC, 0x4045FDBB, 0x4046C6CB, 0x40478FDB, 0x404858EB, 0x404921FB, }; [L384-L393] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L526-L532] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L570-L576] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; [L634] double x = 0.0 / 0.0; [L635] CALL, EXPR sin_double(x) [L601] double y[2], z = 0.0; [L602] __int32_t n, ix; [L604] ieee_double_shape_type gh_u; [L605] gh_u.value = (x) [L606] EXPR gh_u.parts.msw [L606] (ix) = gh_u.parts.msw [L608] ix &= 0x7fffffff [L609] COND FALSE !(ix <= 0x3fe921fb) [L611] COND TRUE ix >= 0x7ff00000 [L612] return x - x; [L612] return x - x; [L635] RET, EXPR sin_double(x) [L635] double res = sin_double(x); [L638] CALL, EXPR isnan_double(res) [L82] return x != x; [L638] RET, EXPR isnan_double(res) [L638] COND TRUE !isnan_double(res) [L639] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 288 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 362 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 345 mSDsluCounter, 358 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 390 IncrementalHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 356 mSDtfsCounter, 390 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=285occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 [2022-01-31 22:57:54,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...