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_2_7.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:02:13,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:02:13,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:02:13,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:02:13,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:02:13,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:02:13,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:02:13,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:02:13,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:02:13,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:02:13,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:02:13,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:02:13,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:02:13,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:02:13,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:02:13,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:02:13,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:02:13,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:02:13,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:02:13,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:02:13,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:02:13,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:02:13,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:02:13,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:02:13,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-11 16:02:13,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-11 16:02:13,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-11 16:02:13,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-11 16:02:13,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-11 16:02:13,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-11 16:02:13,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:02:13,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:02:13,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:02:13,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:02:13,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:02:13,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:02:13,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:02:13,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:02:13,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:02:13,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:02:13,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:02:13,488 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 16:02:13,518 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:02:13,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:02:13,519 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:02:13,519 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:02:13,519 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:02:13,520 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:02:13,520 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:02:13,521 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:02:13,521 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:02:13,521 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:02:13,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:02:13,523 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:02:13,523 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:02:13,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:02:13,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:02:13,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:02:13,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:02:13,524 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:02:13,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:02:13,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:02:13,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:02:13,525 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:02:13,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:02:13,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:02:13,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:02:13,526 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:02:13,527 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:02:13,527 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:02:13,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:02:13,527 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:02:13,583 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:02:13,599 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:02:13,603 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:02:13,604 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:02:13,605 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:02:13,606 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_2_7.i [2019-09-11 16:02:13,673 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e9a05c68/6ba7948dd8074e8cb15e894da268684d/FLAG0299c7c97 [2019-09-11 16:02:14,061 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:02:14,062 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_2_7.i [2019-09-11 16:02:14,068 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e9a05c68/6ba7948dd8074e8cb15e894da268684d/FLAG0299c7c97 [2019-09-11 16:02:14,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e9a05c68/6ba7948dd8074e8cb15e894da268684d [2019-09-11 16:02:14,496 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:02:14,498 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:02:14,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:02:14,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:02:14,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:02:14,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:02:14" (1/1) ... [2019-09-11 16:02:14,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b0b1624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:14, skipping insertion in model container [2019-09-11 16:02:14,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:02:14" (1/1) ... [2019-09-11 16:02:14,514 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:02:14,530 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:02:14,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:02:14,685 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:02:14,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:02:14,812 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:02:14,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:14 WrapperNode [2019-09-11 16:02:14,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:02:14,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:02:14,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:02:14,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:02:14,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:14" (1/1) ... [2019-09-11 16:02:14,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:14" (1/1) ... [2019-09-11 16:02:14,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:14" (1/1) ... [2019-09-11 16:02:14,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:14" (1/1) ... [2019-09-11 16:02:14,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:14" (1/1) ... [2019-09-11 16:02:14,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:14" (1/1) ... [2019-09-11 16:02:14,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:14" (1/1) ... [2019-09-11 16:02:14,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:02:14,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:02:14,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:02:14,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:02:14,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:14" (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 16:02:14,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:02:14,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:02:14,897 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-11 16:02:14,897 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-09-11 16:02:14,897 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:02:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:02:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 16:02:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-11 16:02:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-11 16:02:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-09-11 16:02:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:02:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:02:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:02:15,171 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:02:15,172 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 16:02:15,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:02:15 BoogieIcfgContainer [2019-09-11 16:02:15,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:02:15,174 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:02:15,174 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:02:15,175 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:02:15,176 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:02:15" (1/1) ... [2019-09-11 16:02:15,223 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:02:15,318 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator COMPLT has no precise implementation. [2019-09-11 16:02:15,320 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator COMPGT has no precise implementation. [2019-09-11 16:02:15,382 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:02:15,403 INFO L272 AbstractInterpreter]: Visited 27 different actions 31 times. Never merged. Never widened. Performed 20 root evaluator evaluations with a maximum evaluation depth of 8. Performed 20 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Never found a fixpoint. Largest state had 8 variables. [2019-09-11 16:02:15,403 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:02:15,406 INFO L168 Benchmark]: Toolchain (without parser) took 907.37 ms. Allocated memory was 144.2 MB in the beginning and 202.9 MB in the end (delta: 58.7 MB). Free memory was 92.5 MB in the beginning and 159.9 MB in the end (delta: -67.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 16:02:15,407 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.2 MB. Free memory was 110.5 MB in the beginning and 110.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:02:15,408 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.76 ms. Allocated memory was 144.2 MB in the beginning and 202.9 MB in the end (delta: 58.7 MB). Free memory was 92.3 MB in the beginning and 181.6 MB in the end (delta: -89.4 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2019-09-11 16:02:15,409 INFO L168 Benchmark]: Boogie Preprocessor took 30.72 ms. Allocated memory is still 202.9 MB. Free memory was 181.6 MB in the beginning and 179.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-09-11 16:02:15,410 INFO L168 Benchmark]: RCFGBuilder took 329.08 ms. Allocated memory is still 202.9 MB. Free memory was 179.6 MB in the beginning and 168.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-09-11 16:02:15,411 INFO L168 Benchmark]: Abstract Interpretation took 228.94 ms. Allocated memory is still 202.9 MB. Free memory was 167.6 MB in the beginning and 159.9 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. [2019-09-11 16:02:15,415 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 144.2 MB. Free memory was 110.5 MB in the beginning and 110.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 314.76 ms. Allocated memory was 144.2 MB in the beginning and 202.9 MB in the end (delta: 58.7 MB). Free memory was 92.3 MB in the beginning and 181.6 MB in the end (delta: -89.4 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.72 ms. Allocated memory is still 202.9 MB. Free memory was 181.6 MB in the beginning and 179.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 329.08 ms. Allocated memory is still 202.9 MB. Free memory was 179.6 MB in the beginning and 168.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 228.94 ms. Allocated memory is still 202.9 MB. Free memory was 167.6 MB in the beginning and 159.9 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 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) [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...