java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/floats-cdfpl/newton_3_8.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:02:26,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:02:26,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:02:26,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:02:26,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:02:26,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:02:26,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:02:26,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:02:26,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:02:26,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:02:26,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:02:26,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:02:26,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:02:26,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:02:26,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:02:26,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:02:26,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:02:26,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:02:26,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:02:26,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:02:26,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:02:26,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:02:26,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:02:26,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:02:26,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:02:26,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:02:26,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:02:26,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:02:26,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:02:26,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:02:26,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:02:26,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:02:26,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:02:26,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:02:26,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:02:26,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:02:26,492 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-11 16:02:26,507 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:02:26,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:02:26,507 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:02:26,508 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:02:26,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:02:26,511 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:02:26,511 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:02:26,511 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:02:26,511 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:02:26,511 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:02:26,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:02:26,512 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:02:26,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:02:26,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:02:26,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:02:26,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:02:26,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:02:26,514 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:02:26,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:02:26,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:02:26,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:02:26,515 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:02:26,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:02:26,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:02:26,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:02:26,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:02:26,516 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:02:26,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:02:26,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:02:26,517 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:02:26,566 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:02:26,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:02:26,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:02:26,582 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:02:26,582 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:02:26,583 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_3_8.i [2019-09-11 16:02:26,658 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0ba62bb4/59883a93115b42a2a5fe45ec6ec9f843/FLAG4a118de71 [2019-09-11 16:02:27,118 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:02:27,118 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_3_8.i [2019-09-11 16:02:27,125 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0ba62bb4/59883a93115b42a2a5fe45ec6ec9f843/FLAG4a118de71 [2019-09-11 16:02:27,459 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0ba62bb4/59883a93115b42a2a5fe45ec6ec9f843 [2019-09-11 16:02:27,470 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:02:27,472 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:02:27,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:02:27,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:02:27,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:02:27,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:02:27" (1/1) ... [2019-09-11 16:02:27,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5717e734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:27, skipping insertion in model container [2019-09-11 16:02:27,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:02:27" (1/1) ... [2019-09-11 16:02:27,495 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:02:27,514 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:02:27,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:02:27,729 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:02:27,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:02:27,780 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:02:27,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:27 WrapperNode [2019-09-11 16:02:27,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:02:27,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:02:27,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:02:27,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:02:27,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:27" (1/1) ... [2019-09-11 16:02:27,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:27" (1/1) ... [2019-09-11 16:02:27,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:27" (1/1) ... [2019-09-11 16:02:27,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:27" (1/1) ... [2019-09-11 16:02:27,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:27" (1/1) ... [2019-09-11 16:02:27,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:27" (1/1) ... [2019-09-11 16:02:27,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:27" (1/1) ... [2019-09-11 16:02:27,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:02:27,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:02:27,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:02:27,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:02:27,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-09-11 16:02:27,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:02:27,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:02:27,998 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-11 16:02:27,998 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-09-11 16:02:27,998 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:02:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:02:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 16:02:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-11 16:02:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-11 16:02:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-09-11 16:02:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:02:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:02:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:02:28,191 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:02:28,191 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 16:02:28,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:02:28 BoogieIcfgContainer [2019-09-11 16:02:28,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:02:28,194 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:02:28,194 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:02:28,194 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:02:28,195 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:02:28" (1/1) ... [2019-09-11 16:02:28,222 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:02:28,290 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator COMPLT has no precise implementation. [2019-09-11 16:02:28,291 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator COMPGT has no precise implementation. [2019-09-11 16:02:28,348 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:02:28,370 INFO L272 AbstractInterpreter]: Visited 32 different actions 40 times. Never merged. Never widened. Performed 27 root evaluator evaluations with a maximum evaluation depth of 8. Performed 27 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Never found a fixpoint. Largest state had 10 variables. [2019-09-11 16:02:28,371 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:02:28,373 INFO L168 Benchmark]: Toolchain (without parser) took 901.21 ms. Allocated memory was 135.3 MB in the beginning and 198.7 MB in the end (delta: 63.4 MB). Free memory was 87.6 MB in the beginning and 155.3 MB in the end (delta: -67.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 16:02:28,375 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 135.3 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:02:28,376 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.95 ms. Allocated memory is still 135.3 MB. Free memory was 87.4 MB in the beginning and 77.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-11 16:02:28,377 INFO L168 Benchmark]: Boogie Preprocessor took 154.51 ms. Allocated memory was 135.3 MB in the beginning and 198.7 MB in the end (delta: 63.4 MB). Free memory was 77.9 MB in the beginning and 175.5 MB in the end (delta: -97.6 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2019-09-11 16:02:28,378 INFO L168 Benchmark]: RCFGBuilder took 256.43 ms. Allocated memory is still 198.7 MB. Free memory was 175.5 MB in the beginning and 163.8 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-09-11 16:02:28,379 INFO L168 Benchmark]: Abstract Interpretation took 177.35 ms. Allocated memory is still 198.7 MB. Free memory was 163.8 MB in the beginning and 155.3 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2019-09-11 16:02:28,383 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 135.3 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 305.95 ms. Allocated memory is still 135.3 MB. Free memory was 87.4 MB in the beginning and 77.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 154.51 ms. Allocated memory was 135.3 MB in the beginning and 198.7 MB in the end (delta: 63.4 MB). Free memory was 77.9 MB in the beginning and 175.5 MB in the end (delta: -97.6 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 256.43 ms. Allocated memory is still 198.7 MB. Free memory was 175.5 MB in the beginning and 163.8 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 177.35 ms. Allocated memory is still 198.7 MB. Free memory was 163.8 MB in the beginning and 155.3 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 28]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L19] RET, EXPR f(IN) [L19] CALL, EXPR fp(IN) [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L19] RET, EXPR fp(IN) [L19] float x = IN - f(IN)/fp(IN); [L21] CALL, EXPR f(x) [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L21] RET, EXPR f(x) [L21] CALL, EXPR fp(x) [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L21] RET, EXPR fp(x) [L21] x = x - f(x)/fp(x) [L23] CALL, EXPR f(x) [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L23] RET, EXPR f(x) [L23] CALL, EXPR fp(x) [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L23] RET, EXPR fp(x) [L23] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) [L28] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...