/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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/float_req_bl_0220b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 09:07:41,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 09:07:41,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 09:07:41,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 09:07:41,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 09:07:41,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 09:07:41,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 09:07:41,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 09:07:41,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 09:07:41,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 09:07:41,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 09:07:41,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 09:07:41,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 09:07:41,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 09:07:41,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 09:07:41,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 09:07:41,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 09:07:41,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 09:07:41,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 09:07:41,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 09:07:41,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 09:07:41,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 09:07:41,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 09:07:41,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 09:07:41,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 09:07:41,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 09:07:41,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 09:07:41,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 09:07:41,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 09:07:41,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 09:07:41,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 09:07:41,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 09:07:41,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 09:07:41,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 09:07:41,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 09:07:41,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 09:07:41,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 09:07:41,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 09:07:41,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 09:07:41,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 09:07:42,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 09:07:42,008 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 [2020-10-29 09:07:42,050 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 09:07:42,051 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 09:07:42,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 09:07:42,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 09:07:42,053 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 09:07:42,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 09:07:42,054 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 09:07:42,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 09:07:42,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 09:07:42,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 09:07:42,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 09:07:42,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 09:07:42,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 09:07:42,055 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 09:07:42,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 09:07:42,056 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 09:07:42,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 09:07:42,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 09:07:42,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 09:07:42,057 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 09:07:42,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 09:07:42,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 09:07:42,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 09:07:42,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 09:07:42,058 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 09:07:42,058 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 09:07:42,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 09:07:42,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 09:07:42,059 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 09:07:42,059 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 09:07:42,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 09:07:42,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 09:07:42,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 09:07:42,524 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 09:07:42,525 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 09:07:42,526 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0220b.c [2020-10-29 09:07:42,612 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5e9d2d06c/02420ba91cd645678896ddc791ae16e8/FLAG77cb88397 [2020-10-29 09:07:43,269 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 09:07:43,270 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/float_req_bl_0220b.c [2020-10-29 09:07:43,291 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5e9d2d06c/02420ba91cd645678896ddc791ae16e8/FLAG77cb88397 [2020-10-29 09:07:43,567 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5e9d2d06c/02420ba91cd645678896ddc791ae16e8 [2020-10-29 09:07:43,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 09:07:43,578 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 09:07:43,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 09:07:43,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 09:07:43,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 09:07:43,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:07:43" (1/1) ... [2020-10-29 09:07:43,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24f936a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:07:43, skipping insertion in model container [2020-10-29 09:07:43,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:07:43" (1/1) ... [2020-10-29 09:07:43,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 09:07:43,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 09:07:44,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:07:44,089 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 09:07:44,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:07:44,302 INFO L208 MainTranslator]: Completed translation [2020-10-29 09:07:44,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:07:44 WrapperNode [2020-10-29 09:07:44,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 09:07:44,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 09:07:44,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 09:07:44,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 09:07:44,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:07:44" (1/1) ... [2020-10-29 09:07:44,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:07:44" (1/1) ... [2020-10-29 09:07:44,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:07:44" (1/1) ... [2020-10-29 09:07:44,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:07:44" (1/1) ... [2020-10-29 09:07:44,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:07:44" (1/1) ... [2020-10-29 09:07:44,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:07:44" (1/1) ... [2020-10-29 09:07:44,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:07:44" (1/1) ... [2020-10-29 09:07:44,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 09:07:44,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 09:07:44,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 09:07:44,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 09:07:44,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:07:44" (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 [2020-10-29 09:07:44,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 09:07:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 09:07:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 09:07:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2020-10-29 09:07:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2020-10-29 09:07:44,608 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2020-10-29 09:07:44,608 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2020-10-29 09:07:44,608 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2020-10-29 09:07:44,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2f [2020-10-29 09:07:44,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2f [2020-10-29 09:07:44,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2020-10-29 09:07:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2020-10-29 09:07:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure sin_float [2020-10-29 09:07:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 09:07:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 09:07:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 09:07:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 09:07:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 09:07:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2020-10-29 09:07:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-29 09:07:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 09:07:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 09:07:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 09:07:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-29 09:07:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2020-10-29 09:07:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2020-10-29 09:07:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2020-10-29 09:07:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2020-10-29 09:07:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2f [2020-10-29 09:07:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2f [2020-10-29 09:07:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2020-10-29 09:07:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2020-10-29 09:07:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure sin_float [2020-10-29 09:07:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 09:07:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 09:07:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 09:07:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-29 09:07:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 09:07:46,728 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 09:07:46,729 INFO L298 CfgBuilder]: Removed 61 assume(true) statements. [2020-10-29 09:07:46,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:07:46 BoogieIcfgContainer [2020-10-29 09:07:46,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 09:07:46,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 09:07:46,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 09:07:46,740 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 09:07:46,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 09:07:43" (1/3) ... [2020-10-29 09:07:46,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc52bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:07:46, skipping insertion in model container [2020-10-29 09:07:46,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:07:44" (2/3) ... [2020-10-29 09:07:46,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc52bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:07:46, skipping insertion in model container [2020-10-29 09:07:46,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:07:46" (3/3) ... [2020-10-29 09:07:46,745 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0220b.c [2020-10-29 09:07:46,759 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 09:07:46,767 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 09:07:46,783 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 09:07:46,866 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 09:07:46,866 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 09:07:46,867 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 09:07:46,867 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 09:07:46,867 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 09:07:46,867 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 09:07:46,868 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 09:07:46,868 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 09:07:46,906 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states. [2020-10-29 09:07:46,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-29 09:07:46,921 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:07:46,922 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:07:46,923 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:07:46,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:07:46,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1914146373, now seen corresponding path program 1 times [2020-10-29 09:07:46,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:07:46,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1350302854] [2020-10-29 09:07:46,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:07:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:07:47,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:07:47,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:07:47,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 09:07:47,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:07:47,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 393 [2020-10-29 09:07:47,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:07:47,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:07:47,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:07:47,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 09:07:47,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:07:47,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 09:07:48,254 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-29 09:07:48,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:07:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:07:48,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:07:48,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:07:48,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:07:48,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:07:48,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-29 09:07:48,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:07:48,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:07:48,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:07:48,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:07:48,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:07:48,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:07:48,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:07:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:07:48,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:07:48,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:07:48,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 09:07:48,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:07:48,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 09:07:48,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:07:48,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:07:48,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:07:48,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 09:07:48,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:07:48,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 09:07:48,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:07:48,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1350302854] [2020-10-29 09:07:48,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:07:48,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 09:07:48,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693121061] [2020-10-29 09:07:48,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 09:07:48,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:07:48,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 09:07:48,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 09:07:48,535 INFO L87 Difference]: Start difference. First operand 281 states. Second operand 4 states. [2020-10-29 09:07:49,014 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-29 09:07:51,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:07:51,263 INFO L93 Difference]: Finished difference Result 551 states and 887 transitions. [2020-10-29 09:07:51,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-29 09:07:51,265 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-10-29 09:07:51,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:07:51,280 INFO L225 Difference]: With dead ends: 551 [2020-10-29 09:07:51,281 INFO L226 Difference]: Without dead ends: 274 [2020-10-29 09:07:51,290 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 09:07:51,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-10-29 09:07:51,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2020-10-29 09:07:51,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-10-29 09:07:51,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 371 transitions. [2020-10-29 09:07:51,379 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 371 transitions. Word has length 19 [2020-10-29 09:07:51,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:07:51,380 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 371 transitions. [2020-10-29 09:07:51,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 09:07:51,380 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 371 transitions. [2020-10-29 09:07:51,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-29 09:07:51,382 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:07:51,382 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] [2020-10-29 09:07:51,382 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 09:07:51,383 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:07:51,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:07:51,384 INFO L82 PathProgramCache]: Analyzing trace with hash -110490788, now seen corresponding path program 1 times [2020-10-29 09:07:51,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:07:51,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1761270116] [2020-10-29 09:07:51,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:07:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-29 09:07:51,503 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-29 09:07:51,504 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-29 09:07:51,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 09:07:51,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 09:07:51 BoogieIcfgContainer [2020-10-29 09:07:51,532 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 09:07:51,534 INFO L168 Benchmark]: Toolchain (without parser) took 7960.16 ms. Allocated memory was 151.0 MB in the beginning and 264.2 MB in the end (delta: 113.2 MB). Free memory was 125.6 MB in the beginning and 173.4 MB in the end (delta: -47.8 MB). Peak memory consumption was 67.7 MB. Max. memory is 8.0 GB. [2020-10-29 09:07:51,535 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 151.0 MB. Free memory is still 125.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 09:07:51,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.17 ms. Allocated memory is still 151.0 MB. Free memory was 124.9 MB in the beginning and 129.0 MB in the end (delta: -4.1 MB). Peak memory consumption was 31.3 MB. Max. memory is 8.0 GB. [2020-10-29 09:07:51,537 INFO L168 Benchmark]: Boogie Preprocessor took 209.94 ms. Allocated memory is still 151.0 MB. Free memory was 129.0 MB in the beginning and 121.7 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-29 09:07:51,538 INFO L168 Benchmark]: RCFGBuilder took 2217.25 ms. Allocated memory was 151.0 MB in the beginning and 191.9 MB in the end (delta: 40.9 MB). Free memory was 121.7 MB in the beginning and 77.8 MB in the end (delta: 43.8 MB). Peak memory consumption was 84.9 MB. Max. memory is 8.0 GB. [2020-10-29 09:07:51,539 INFO L168 Benchmark]: TraceAbstraction took 4796.40 ms. Allocated memory was 191.9 MB in the beginning and 264.2 MB in the end (delta: 72.4 MB). Free memory was 77.3 MB in the beginning and 173.4 MB in the end (delta: -96.1 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 09:07:51,542 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 ms. Allocated memory is still 151.0 MB. Free memory is still 125.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 724.17 ms. Allocated memory is still 151.0 MB. Free memory was 124.9 MB in the beginning and 129.0 MB in the end (delta: -4.1 MB). Peak memory consumption was 31.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 209.94 ms. Allocated memory is still 151.0 MB. Free memory was 129.0 MB in the beginning and 121.7 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2217.25 ms. Allocated memory was 151.0 MB in the beginning and 191.9 MB in the end (delta: 40.9 MB). Free memory was 121.7 MB in the beginning and 77.8 MB in the end (delta: 43.8 MB). Peak memory consumption was 84.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4796.40 ms. Allocated memory was 191.9 MB in the beginning and 264.2 MB in the end (delta: 72.4 MB). Free memory was 77.3 MB in the beginning and 173.4 MB in the end (delta: -96.1 MB). There was no memory consumed. 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 someBinaryFLOATComparisonOperation at line 628, overapproximation of someUnaryDOUBLEoperation at line 507, overapproximation of bitwiseAnd at line 594, overapproximation of someUnaryFLOAToperation at line 624, overapproximation of someBinaryArithmeticFLOAToperation at line 599. Possible FailurePath: [L13] static const float huge_floor = 1.0e30; [L90-L92] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L165] static const int init_jk_krempio[] = {4, 7, 9}; [L167-L171] static const float PIo2_krempio[] = { 1.5703125000e+00, 4.5776367188e-04, 2.5987625122e-05, 7.5437128544e-08, 6.0026650317e-11, 7.3896444519e-13, 5.3845816694e-15, 5.6378512969e-18, 8.3009228831e-20, 3.2756352257e-22, 6.3331015649e-25, }; [L173-L175] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L350-L368] static const __int32_t two_over_pi_rempio[] = { 0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, 0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, 0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63, 0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, 0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09, 0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, 0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44, 0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, 0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C, 0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, 0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11, 0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, 0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E, 0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, 0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92, 0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, 0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0, 0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, 0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85, 0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, 0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA, 0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, }; [L370-L376] static const __int32_t npio2_hw_rempio[] = { 0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00, 0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00, 0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100, 0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00, 0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00, 0x4242c700, 0x42490f00}; [L378-L387] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L507-L510] static const float half_ksin = 5.0000000000e-01, S1_ksin = -1.6666667163e-01, S2_ksin = 8.3333337680e-03, S3_ksin = -1.9841270114e-04, S4_ksin = 2.7557314297e-06, S5_ksin = -2.5050759689e-08, S6_ksin = 1.5896910177e-10; [L534-L537] static const float one_kcos = 1.0000000000e+00, C1_kcos = 4.1666667908e-02, C2_kcos = -1.3888889225e-03, C3_kcos = 2.4801587642e-05, C4_kcos = -2.7557314297e-07, C5_kcos = 2.0875723372e-09, C6_kcos = -1.1359647598e-11; [L574-L582] static const float one_ktan = 1.0000000000e+00, pio4_ktan = 7.8539812565e-01, pio4lo_ktan = 3.7748947079e-08, T_ktan[] = { 3.3333334327e-01, 1.3333334029e-01, 5.3968254477e-02, 2.1869488060e-02, 8.8632395491e-03, 3.5920790397e-03, 1.4562094584e-03, 5.8804126456e-04, 2.4646313977e-04, 7.8179444245e-05, 7.1407252108e-05, -1.8558637748e-05, 2.5907305826e-05, }; [L624] float x = -0.0f; [L625] CALL, EXPR sin_float(x) [L585] float y[2], z = 0.0; [L586] __int32_t n, ix; [L589] ieee_float_shape_type gf_u; [L590] gf_u.value = (x) [L591] EXPR gf_u.word [L591] (ix) = gf_u.word [L594] ix &= 0x7fffffff [L595] COND FALSE !(ix <= 0x3f490fd8) [L598] COND TRUE !((ix) < 0x7f800000L) [L599] return x - x; [L599] return x - x; [L625] RET, EXPR sin_float(x) [L625] float res = sin_float(x); [L628] EXPR res == -0.0f && __signbit_float(res) == 1 [L628] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L629] CALL reach_error() [L3] __assert_fail("0", "float_req_bl_0220b.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 281 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 364 SDtfs, 18 SDslu, 280 SDs, 0 SdLazy, 421 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s 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, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 3510 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...