/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0550b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 14:25:42,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 14:25:42,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 14:25:42,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 14:25:42,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 14:25:42,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 14:25:42,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 14:25:42,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 14:25:42,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 14:25:42,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 14:25:42,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 14:25:42,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 14:25:42,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 14:25:42,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 14:25:42,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 14:25:42,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 14:25:42,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 14:25:42,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 14:25:42,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 14:25:42,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 14:25:42,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 14:25:42,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 14:25:42,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 14:25:42,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 14:25:42,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 14:25:42,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 14:25:42,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 14:25:42,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 14:25:42,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 14:25:42,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 14:25:42,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 14:25:42,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 14:25:42,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 14:25:42,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 14:25:42,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 14:25:42,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 14:25:42,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 14:25:42,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 14:25:42,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 14:25:42,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 14:25:42,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 14:25:42,204 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 14:25:42,252 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 14:25:42,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 14:25:42,254 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 14:25:42,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 14:25:42,255 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 14:25:42,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 14:25:42,255 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 14:25:42,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 14:25:42,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 14:25:42,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 14:25:42,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 14:25:42,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 14:25:42,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 14:25:42,257 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 14:25:42,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 14:25:42,257 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 14:25:42,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 14:25:42,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 14:25:42,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 14:25:42,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 14:25:42,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 14:25:42,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 14:25:42,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 14:25:42,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 14:25:42,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 14:25:42,259 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 14:25:42,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 14:25:42,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 14:25:42,260 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 14:25:42,260 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 14:25:42,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 14:25:42,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 14:25:42,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 14:25:42,636 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 14:25:42,637 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 14:25:42,638 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0550b.c [2020-10-28 14:25:42,722 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5fa1c916c/27f6e2750cef4cc299e78e72359679ad/FLAG47b7d19ae [2020-10-28 14:25:43,390 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 14:25:43,390 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/double_req_bl_0550b.c [2020-10-28 14:25:43,402 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5fa1c916c/27f6e2750cef4cc299e78e72359679ad/FLAG47b7d19ae [2020-10-28 14:25:43,722 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5fa1c916c/27f6e2750cef4cc299e78e72359679ad [2020-10-28 14:25:43,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 14:25:43,737 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 14:25:43,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 14:25:43,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 14:25:43,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 14:25:43,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:25:43" (1/1) ... [2020-10-28 14:25:43,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c2f502a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:25:43, skipping insertion in model container [2020-10-28 14:25:43,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:25:43" (1/1) ... [2020-10-28 14:25:43,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 14:25:43,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 14:25:44,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:25:44,335 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 14:25:44,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:25:44,512 INFO L208 MainTranslator]: Completed translation [2020-10-28 14:25:44,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:25:44 WrapperNode [2020-10-28 14:25:44,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 14:25:44,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 14:25:44,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 14:25:44,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 14:25:44,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:25:44" (1/1) ... [2020-10-28 14:25:44,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:25:44" (1/1) ... [2020-10-28 14:25:44,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:25:44" (1/1) ... [2020-10-28 14:25:44,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:25:44" (1/1) ... [2020-10-28 14:25:44,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:25:44" (1/1) ... [2020-10-28 14:25:44,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:25:44" (1/1) ... [2020-10-28 14:25:44,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:25:44" (1/1) ... [2020-10-28 14:25:44,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 14:25:44,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 14:25:44,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 14:25:44,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 14:25:44,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:25:44" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 14:25:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 14:25:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 14:25:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 14:25:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-10-28 14:25:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2020-10-28 14:25:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2020-10-28 14:25:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2020-10-28 14:25:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2020-10-28 14:25:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2 [2020-10-28 14:25:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2 [2020-10-28 14:25:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tan [2020-10-28 14:25:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure tan_double [2020-10-28 14:25:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 14:25:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 14:25:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 14:25:44,809 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 14:25:44,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 14:25:44,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-10-28 14:25:44,809 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-10-28 14:25:44,810 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2020-10-28 14:25:44,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-28 14:25:44,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 14:25:44,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 14:25:44,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 14:25:44,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-28 14:25:44,810 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2020-10-28 14:25:44,811 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2020-10-28 14:25:44,811 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2020-10-28 14:25:44,811 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2 [2020-10-28 14:25:44,811 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2 [2020-10-28 14:25:44,811 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tan [2020-10-28 14:25:44,811 INFO L130 BoogieDeclarations]: Found specification of procedure tan_double [2020-10-28 14:25:44,811 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 14:25:44,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 14:25:44,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 14:25:44,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-28 14:25:44,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 14:25:46,534 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 14:25:46,535 INFO L298 CfgBuilder]: Removed 65 assume(true) statements. [2020-10-28 14:25:46,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:25:46 BoogieIcfgContainer [2020-10-28 14:25:46,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 14:25:46,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 14:25:46,543 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 14:25:46,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 14:25:46,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 02:25:43" (1/3) ... [2020-10-28 14:25:46,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db7082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:25:46, skipping insertion in model container [2020-10-28 14:25:46,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:25:44" (2/3) ... [2020-10-28 14:25:46,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db7082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:25:46, skipping insertion in model container [2020-10-28 14:25:46,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:25:46" (3/3) ... [2020-10-28 14:25:46,553 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0550b.c [2020-10-28 14:25:46,565 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 14:25:46,572 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 14:25:46,585 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 14:25:46,627 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 14:25:46,627 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 14:25:46,628 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 14:25:46,628 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 14:25:46,628 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 14:25:46,629 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 14:25:46,629 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 14:25:46,629 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 14:25:46,660 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states. [2020-10-28 14:25:46,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-28 14:25:46,668 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:25:46,669 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:25:46,669 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:25:46,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:25:46,677 INFO L82 PathProgramCache]: Analyzing trace with hash -242619312, now seen corresponding path program 1 times [2020-10-28 14:25:46,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:25:46,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1694006979] [2020-10-28 14:25:46,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:25:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:25:47,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:25:47,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:25:47,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 14:25:47,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:25:47,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 452 [2020-10-28 14:25:47,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:25:47,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:25:47,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:25:47,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 14:25:47,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:25:47,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 14:25:47,668 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 14:25:47,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:25:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:25:47,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:25:47,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:25:47,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:25:47,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:25:47,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-28 14:25:47,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:25:47,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:25:47,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:25:47,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:25:47,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:25:47,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:25:47,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:25:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:25:47,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:25:47,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:25:47,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 14:25:47,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:25:47,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 14:25:47,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:25:47,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:25:47,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:25:47,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 14:25:47,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:25:47,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:25:47,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 14:25:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:25:47,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:25:47,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:25:47,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:25:47,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:25:47,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:25:47,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:25:47,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:25:47,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:25:47,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 14:25:47,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:25:47,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:25:47,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 14:25:47,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1694006979] [2020-10-28 14:25:47,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:25:47,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 14:25:47,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646799554] [2020-10-28 14:25:47,810 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 14:25:47,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:25:47,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 14:25:47,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 14:25:47,827 INFO L87 Difference]: Start difference. First operand 281 states. Second operand 4 states. [2020-10-28 14:25:47,992 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-28 14:25:49,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:25:49,068 INFO L93 Difference]: Finished difference Result 551 states and 894 transitions. [2020-10-28 14:25:49,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 14:25:49,070 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-10-28 14:25:49,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:25:49,095 INFO L225 Difference]: With dead ends: 551 [2020-10-28 14:25:49,095 INFO L226 Difference]: Without dead ends: 274 [2020-10-28 14:25:49,108 INFO L677 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 [2020-10-28 14:25:49,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-10-28 14:25:49,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2020-10-28 14:25:49,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-10-28 14:25:49,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 372 transitions. [2020-10-28 14:25:49,207 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 372 transitions. Word has length 23 [2020-10-28 14:25:49,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:25:49,208 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 372 transitions. [2020-10-28 14:25:49,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 14:25:49,208 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 372 transitions. [2020-10-28 14:25:49,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-28 14:25:49,210 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:25:49,210 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:25:49,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 14:25:49,211 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:25:49,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:25:49,211 INFO L82 PathProgramCache]: Analyzing trace with hash 381071827, now seen corresponding path program 1 times [2020-10-28 14:25:49,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:25:49,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1886590940] [2020-10-28 14:25:49,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:25:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-28 14:25:49,300 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-28 14:25:49,301 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-28 14:25:49,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 14:25:49,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 02:25:49 BoogieIcfgContainer [2020-10-28 14:25:49,334 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 14:25:49,337 INFO L168 Benchmark]: Toolchain (without parser) took 5604.05 ms. Allocated memory was 154.1 MB in the beginning and 186.6 MB in the end (delta: 32.5 MB). Free memory was 127.5 MB in the beginning and 107.7 MB in the end (delta: 19.9 MB). Peak memory consumption was 53.3 MB. Max. memory is 8.0 GB. [2020-10-28 14:25:49,338 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 154.1 MB. Free memory is still 128.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 14:25:49,339 INFO L168 Benchmark]: CACSL2BoogieTranslator took 772.89 ms. Allocated memory is still 154.1 MB. Free memory was 126.9 MB in the beginning and 134.0 MB in the end (delta: -7.1 MB). Peak memory consumption was 32.7 MB. Max. memory is 8.0 GB. [2020-10-28 14:25:49,340 INFO L168 Benchmark]: Boogie Preprocessor took 201.61 ms. Allocated memory is still 154.1 MB. Free memory was 134.0 MB in the beginning and 126.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-28 14:25:49,342 INFO L168 Benchmark]: RCFGBuilder took 1821.59 ms. Allocated memory was 154.1 MB in the beginning and 186.6 MB in the end (delta: 32.5 MB). Free memory was 126.7 MB in the beginning and 120.9 MB in the end (delta: 5.8 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB. [2020-10-28 14:25:49,343 INFO L168 Benchmark]: TraceAbstraction took 2791.12 ms. Allocated memory is still 186.6 MB. Free memory was 120.4 MB in the beginning and 107.7 MB in the end (delta: 12.7 MB). Peak memory consumption was 13.2 MB. Max. memory is 8.0 GB. [2020-10-28 14:25:49,352 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 154.1 MB. Free memory is still 128.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 772.89 ms. Allocated memory is still 154.1 MB. Free memory was 126.9 MB in the beginning and 134.0 MB in the end (delta: -7.1 MB). Peak memory consumption was 32.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 201.61 ms. Allocated memory is still 154.1 MB. Free memory was 134.0 MB in the beginning and 126.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1821.59 ms. Allocated memory was 154.1 MB in the beginning and 186.6 MB in the end (delta: 32.5 MB). Free memory was 126.7 MB in the beginning and 120.9 MB in the end (delta: 5.8 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2791.12 ms. Allocated memory is still 186.6 MB. Free memory was 120.4 MB in the beginning and 107.7 MB in the end (delta: 12.7 MB). Peak memory consumption was 13.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 538, overapproximation of someBinaryArithmeticDOUBLEoperation at line 629, overapproximation of bitwiseAnd at line 624, overapproximation of someBinaryDOUBLEComparisonOperation at line 20. Possible FailurePath: [L22] static const double huge_floor = 1.0e300; [L108-L110] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L179] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L181-L186] 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, }; [L188-L190] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L365-L376] 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, }; [L378-L385] 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, }; [L387-L396] 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; [L529-L540] static const double one_ktan = 1.00000000000000000000e+00, pio4_ktan = 7.85398163397448278999e-01, pio4lo_ktan = 3.06161699786838301793e-17, T[] = { 3.33333333333334091986e-01, 1.33333333333201242699e-01, 5.39682539762260521377e-02, 2.18694882948595424599e-02, 8.86323982359930005737e-03, 3.59207910759131235356e-03, 1.45620945432529025516e-03, 5.88041240820264096874e-04, 2.46463134818469906812e-04, 7.81794442939557092300e-05, 7.14072491382608190305e-05, -1.85586374855275456654e-05, 2.59073051863633712884e-05, }; [L644] double x = -1.0 / 0.0; [L645] CALL, EXPR tan_double(x) [L615] double y[2], z = 0.0; [L616] __int32_t n, ix; [L619] ieee_double_shape_type gh_u; [L620] gh_u.value = (x) [L621] EXPR gh_u.parts.msw [L621] (ix) = gh_u.parts.msw [L624] ix &= 0x7fffffff [L625] COND FALSE !(ix <= 0x3fe921fb) [L628] COND TRUE ix >= 0x7ff00000 [L629] return x - x; [L629] return x - x; [L645] RET, EXPR tan_double(x) [L645] double res = tan_double(x); [L648] CALL, EXPR isnan_double(res) [L20] return x != x; [L648] RET, EXPR isnan_double(res) [L648] COND TRUE !isnan_double(res) [L649] CALL reach_error() [L3] __assert_fail("0", "double_req_bl_0550b.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 281 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 367 SDtfs, 18 SDslu, 284 SDs, 0 SdLazy, 421 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, 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=281occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 3520 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...