/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=DEEPEST --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_0330a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 19:43:51,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 19:43:51,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 19:43:51,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 19:43:51,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 19:43:51,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 19:43:51,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 19:43:51,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 19:43:51,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 19:43:51,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 19:43:51,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 19:43:51,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 19:43:51,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 19:43:51,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 19:43:51,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 19:43:51,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 19:43:51,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 19:43:51,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 19:43:51,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 19:43:51,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 19:43:51,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 19:43:51,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 19:43:51,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 19:43:51,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 19:43:51,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 19:43:51,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 19:43:51,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 19:43:51,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 19:43:51,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 19:43:51,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 19:43:51,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 19:43:51,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 19:43:51,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 19:43:51,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 19:43:51,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 19:43:51,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 19:43:51,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 19:43:51,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 19:43:51,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 19:43:51,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 19:43:51,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 19:43:51,579 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 [2020-10-27 19:43:51,610 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 19:43:51,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 19:43:51,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 19:43:51,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 19:43:51,614 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 19:43:51,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 19:43:51,614 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 19:43:51,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 19:43:51,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 19:43:51,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 19:43:51,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 19:43:51,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 19:43:51,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 19:43:51,615 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 19:43:51,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 19:43:51,616 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 19:43:51,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 19:43:51,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 19:43:51,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 19:43:51,618 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 19:43:51,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 19:43:51,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 19:43:51,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 19:43:51,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 19:43:51,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 19:43:51,620 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 19:43:51,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 19:43:51,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 19:43:51,621 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 19:43:51,621 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 19:43:52,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 19:43:52,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 19:43:52,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 19:43:52,046 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 19:43:52,047 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 19:43:52,048 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0330a.c [2020-10-27 19:43:52,122 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/47dae7dc6/f0760f9eb71b4307aa68a98e94e51825/FLAG398e526d6 [2020-10-27 19:43:52,914 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 19:43:52,914 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/float_req_bl_0330a.c [2020-10-27 19:43:52,933 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/47dae7dc6/f0760f9eb71b4307aa68a98e94e51825/FLAG398e526d6 [2020-10-27 19:43:53,111 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/47dae7dc6/f0760f9eb71b4307aa68a98e94e51825 [2020-10-27 19:43:53,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 19:43:53,132 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 19:43:53,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 19:43:53,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 19:43:53,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 19:43:53,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:43:53" (1/1) ... [2020-10-27 19:43:53,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@274c84be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:53, skipping insertion in model container [2020-10-27 19:43:53,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:43:53" (1/1) ... [2020-10-27 19:43:53,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 19:43:53,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 19:43:53,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 19:43:53,739 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 19:43:53,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 19:43:53,942 INFO L208 MainTranslator]: Completed translation [2020-10-27 19:43:53,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:53 WrapperNode [2020-10-27 19:43:53,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 19:43:53,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 19:43:53,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 19:43:53,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 19:43:53,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:53" (1/1) ... [2020-10-27 19:43:53,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:53" (1/1) ... [2020-10-27 19:43:54,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:53" (1/1) ... [2020-10-27 19:43:54,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:53" (1/1) ... [2020-10-27 19:43:54,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:53" (1/1) ... [2020-10-27 19:43:54,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:53" (1/1) ... [2020-10-27 19:43:54,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:53" (1/1) ... [2020-10-27 19:43:54,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 19:43:54,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 19:43:54,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 19:43:54,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 19:43:54,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:53" (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 [2020-10-27 19:43:54,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 19:43:54,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 19:43:54,222 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 19:43:54,222 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2020-10-27 19:43:54,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2020-10-27 19:43:54,222 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2020-10-27 19:43:54,222 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2020-10-27 19:43:54,223 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2020-10-27 19:43:54,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2f [2020-10-27 19:43:54,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2f [2020-10-27 19:43:54,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2020-10-27 19:43:54,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2020-10-27 19:43:54,223 INFO L138 BoogieDeclarations]: Found implementation of procedure cos_float [2020-10-27 19:43:54,224 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 19:43:54,224 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 19:43:54,224 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 19:43:54,224 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 19:43:54,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 19:43:54,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-10-27 19:43:54,225 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2020-10-27 19:43:54,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-27 19:43:54,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 19:43:54,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 19:43:54,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 19:43:54,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-27 19:43:54,225 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2020-10-27 19:43:54,226 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2020-10-27 19:43:54,226 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2020-10-27 19:43:54,226 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2020-10-27 19:43:54,226 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2f [2020-10-27 19:43:54,226 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2f [2020-10-27 19:43:54,226 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2020-10-27 19:43:54,226 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2020-10-27 19:43:54,227 INFO L130 BoogieDeclarations]: Found specification of procedure cos_float [2020-10-27 19:43:54,227 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 19:43:54,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 19:43:54,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 19:43:54,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-27 19:43:54,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 19:43:56,058 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 19:43:56,059 INFO L298 CfgBuilder]: Removed 59 assume(true) statements. [2020-10-27 19:43:56,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:43:56 BoogieIcfgContainer [2020-10-27 19:43:56,061 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 19:43:56,063 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 19:43:56,064 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 19:43:56,068 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 19:43:56,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 07:43:53" (1/3) ... [2020-10-27 19:43:56,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590a82e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:43:56, skipping insertion in model container [2020-10-27 19:43:56,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:53" (2/3) ... [2020-10-27 19:43:56,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590a82e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:43:56, skipping insertion in model container [2020-10-27 19:43:56,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:43:56" (3/3) ... [2020-10-27 19:43:56,071 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0330a.c [2020-10-27 19:43:56,084 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 19:43:56,090 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 19:43:56,105 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 19:43:56,137 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 19:43:56,138 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 19:43:56,138 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 19:43:56,138 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 19:43:56,138 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 19:43:56,138 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 19:43:56,139 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 19:43:56,139 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 19:43:56,165 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states. [2020-10-27 19:43:56,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-27 19:43:56,173 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:43:56,174 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] [2020-10-27 19:43:56,175 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:43:56,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:43:56,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1319309610, now seen corresponding path program 1 times [2020-10-27 19:43:56,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:43:56,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1689008038] [2020-10-27 19:43:56,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:43:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:43:56,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:43:57,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:43:57,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 19:43:57,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:43:57,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 503 [2020-10-27 19:43:57,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:43:57,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:43:57,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 19:43:57,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:43:57,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 19:43:57,545 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 19:43:57,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:43:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:43:57,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:43:57,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:43:57,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:43:57,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:43:57,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-27 19:43:57,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:43:57,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:43:57,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:43:57,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:43:57,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:43:57,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:43:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:43:57,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:43:57,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:43:57,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 19:43:57,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:43:57,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 19:43:57,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:43:57,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:43:57,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 19:43:57,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:43:57,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:43:57,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 19:43:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:43:57,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:43:57,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:43:57,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:43:57,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:43:57,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:43:57,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:43:57,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:43:57,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 19:43:57,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:43:57,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:43:57,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 19:43:57,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1689008038] [2020-10-27 19:43:57,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:43:57,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 19:43:57,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605059712] [2020-10-27 19:43:57,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 19:43:57,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:43:57,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 19:43:57,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 19:43:57,813 INFO L87 Difference]: Start difference. First operand 277 states. Second operand 4 states. [2020-10-27 19:43:58,336 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 19:43:59,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:43:59,587 INFO L93 Difference]: Finished difference Result 543 states and 872 transitions. [2020-10-27 19:43:59,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-27 19:43:59,589 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-10-27 19:43:59,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:43:59,604 INFO L225 Difference]: With dead ends: 543 [2020-10-27 19:43:59,604 INFO L226 Difference]: Without dead ends: 270 [2020-10-27 19:43:59,612 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 19:43:59,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-10-27 19:43:59,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2020-10-27 19:43:59,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-10-27 19:43:59,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 366 transitions. [2020-10-27 19:43:59,690 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 366 transitions. Word has length 23 [2020-10-27 19:43:59,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:43:59,690 INFO L481 AbstractCegarLoop]: Abstraction has 270 states and 366 transitions. [2020-10-27 19:43:59,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 19:43:59,691 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 366 transitions. [2020-10-27 19:43:59,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-27 19:43:59,693 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:43:59,693 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] [2020-10-27 19:43:59,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 19:43:59,693 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:43:59,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:43:59,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1780724350, now seen corresponding path program 1 times [2020-10-27 19:43:59,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:43:59,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [790218750] [2020-10-27 19:43:59,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:43:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 19:43:59,792 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 19:43:59,793 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 19:43:59,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 19:43:59,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 07:43:59 BoogieIcfgContainer [2020-10-27 19:43:59,821 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 19:43:59,823 INFO L168 Benchmark]: Toolchain (without parser) took 6699.43 ms. Allocated memory was 169.9 MB in the beginning and 217.1 MB in the end (delta: 47.2 MB). Free memory was 149.3 MB in the beginning and 98.2 MB in the end (delta: 51.1 MB). Peak memory consumption was 97.6 MB. Max. memory is 8.0 GB. [2020-10-27 19:43:59,824 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 169.9 MB. Free memory was 141.1 MB in the beginning and 141.0 MB in the end (delta: 76.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 19:43:59,825 INFO L168 Benchmark]: CACSL2BoogieTranslator took 808.08 ms. Allocated memory is still 169.9 MB. Free memory was 148.6 MB in the beginning and 138.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 17.1 MB. Max. memory is 8.0 GB. [2020-10-27 19:43:59,826 INFO L168 Benchmark]: Boogie Preprocessor took 188.24 ms. Allocated memory is still 169.9 MB. Free memory was 138.4 MB in the beginning and 131.0 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-27 19:43:59,827 INFO L168 Benchmark]: RCFGBuilder took 1928.28 ms. Allocated memory was 169.9 MB in the beginning and 217.1 MB in the end (delta: 47.2 MB). Free memory was 131.0 MB in the beginning and 102.2 MB in the end (delta: 28.8 MB). Peak memory consumption was 76.9 MB. Max. memory is 8.0 GB. [2020-10-27 19:43:59,828 INFO L168 Benchmark]: TraceAbstraction took 3758.00 ms. Allocated memory is still 217.1 MB. Free memory was 101.7 MB in the beginning and 98.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 8.0 GB. [2020-10-27 19:43:59,833 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 169.9 MB. Free memory was 141.1 MB in the beginning and 141.0 MB in the end (delta: 76.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 808.08 ms. Allocated memory is still 169.9 MB. Free memory was 148.6 MB in the beginning and 138.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 17.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 188.24 ms. Allocated memory is still 169.9 MB. Free memory was 138.4 MB in the beginning and 131.0 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1928.28 ms. Allocated memory was 169.9 MB in the beginning and 217.1 MB in the end (delta: 47.2 MB). Free memory was 131.0 MB in the beginning and 102.2 MB in the end (delta: 28.8 MB). Peak memory consumption was 76.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3758.00 ms. Allocated memory is still 217.1 MB. Free memory was 101.7 MB in the beginning and 98.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 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 someBinaryFLOATComparisonOperation at line 64, overapproximation of someUnaryDOUBLEoperation at line 500, overapproximation of bitwiseAnd at line 579, overapproximation of someBinaryArithmeticFLOAToperation at line 584. Possible FailurePath: [L18] static const float huge_floor = 1.0e30; [L86-L88] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L158] static const int init_jk_krempio[] = {4, 7, 9}; [L160-L164] 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, }; [L166-L168] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L343-L361] 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, }; [L363-L369] 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}; [L371-L380] 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; [L500-L503] 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; [L527-L530] 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; [L567] static const float one_cos = 1.0; [L608] float x = 1.0f / 0.0f; [L609] CALL, EXPR cos_float(x) [L570] float y[2], z = 0.0; [L571] __int32_t n, ix; [L574] ieee_float_shape_type gf_u; [L575] gf_u.value = (x) [L576] EXPR gf_u.word [L576] (ix) = gf_u.word [L579] ix &= 0x7fffffff [L580] COND FALSE !(ix <= 0x3f490fd8) [L583] COND TRUE !((ix) < 0x7f800000L) [L584] return x - x; [L584] return x - x; [L609] RET, EXPR cos_float(x) [L609] float res = cos_float(x); [L612] CALL, EXPR isnan_float(res) [L64] return x != x; [L612] RET, EXPR isnan_float(res) [L612] COND TRUE !isnan_float(res) [L613] CALL reach_error() [L3] __assert_fail("0", "float_req_bl_0330a.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 277 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 360 SDtfs, 20 SDslu, 273 SDs, 0 SdLazy, 415 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=277occurred 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, 1.2s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 4180 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...