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/float-benchs/sqrt_Householder_constant.c.p+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:04:31,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:04:31,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:04:31,323 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-11 16:04:31,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:04:31,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:04:31,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:04:31,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:04:31,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:04:31,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:04:31,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:04:31,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:04:31,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:04:31,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:04:31,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:04:31,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:04:31,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:04:31,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:04:31,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:04:31,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:04:31,382 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 16:04:31,407 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:04:31,408 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:04:31,409 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:04:31,409 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:04:31,410 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:04:31,410 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:04:31,410 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:04:31,410 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:04:31,411 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:04:31,411 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:04:31,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:04:31,413 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:04:31,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:04:31,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:04:31,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:04:31,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:04:31,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:04:31,415 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:04:31,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:04:31,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:04:31,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:04:31,416 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:04:31,416 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:04:31,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:04:31,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:04:31,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:04:31,417 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:04:31,417 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:04:31,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:04:31,418 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:04:31,474 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:04:31,494 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:04:31,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:04:31,502 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:04:31,503 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:04:31,505 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/sqrt_Householder_constant.c.p+cfa-reducer.c [2019-09-11 16:04:31,569 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50cabd9c0/1f14c070731a48908836d3740dafd2f2/FLAG9383cff64 [2019-09-11 16:04:32,023 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:04:32,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/sqrt_Householder_constant.c.p+cfa-reducer.c [2019-09-11 16:04:32,032 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50cabd9c0/1f14c070731a48908836d3740dafd2f2/FLAG9383cff64 [2019-09-11 16:04:32,409 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50cabd9c0/1f14c070731a48908836d3740dafd2f2 [2019-09-11 16:04:32,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:04:32,419 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:04:32,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:04:32,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:04:32,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:04:32,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:04:32" (1/1) ... [2019-09-11 16:04:32,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7cbb77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:32, skipping insertion in model container [2019-09-11 16:04:32,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:04:32" (1/1) ... [2019-09-11 16:04:32,435 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:04:32,467 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:04:32,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:04:32,651 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:04:32,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:04:32,776 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:04:32,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:32 WrapperNode [2019-09-11 16:04:32,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:04:32,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:04:32,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:04:32,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:04:32,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:32" (1/1) ... [2019-09-11 16:04:32,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:32" (1/1) ... [2019-09-11 16:04:32,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:32" (1/1) ... [2019-09-11 16:04:32,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:32" (1/1) ... [2019-09-11 16:04:32,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:32" (1/1) ... [2019-09-11 16:04:32,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:32" (1/1) ... [2019-09-11 16:04:32,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:32" (1/1) ... [2019-09-11 16:04:32,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:04:32,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:04:32,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:04:32,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:04:32,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:32" (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 16:04:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:04:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:04:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:04:32,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:04:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-09-11 16:04:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 16:04:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-11 16:04:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure SqrtR [2019-09-11 16:04:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:04:32,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:04:32,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:04:33,106 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:04:33,107 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 16:04:33,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:04:33 BoogieIcfgContainer [2019-09-11 16:04:33,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:04:33,116 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:04:33,116 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:04:33,117 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:04:33,121 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:04:33" (1/1) ... [2019-09-11 16:04:33,173 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:04:33,269 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator COMPGT has no precise implementation. [2019-09-11 16:04:33,288 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator COMPLT has no precise implementation. [2019-09-11 16:04:33,600 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:04:33,624 INFO L272 AbstractInterpreter]: Visited 38 different actions 322 times. Merged at 29 different actions 196 times. Widened at 10 different actions 35 times. Performed 1032 root evaluator evaluations with a maximum evaluation depth of 8. Performed 1032 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 72 fixpoints after 18 different actions. Largest state had 24 variables. [2019-09-11 16:04:33,624 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:04:33,628 INFO L168 Benchmark]: Toolchain (without parser) took 1207.31 ms. Allocated memory was 142.1 MB in the beginning and 201.3 MB in the end (delta: 59.2 MB). Free memory was 89.0 MB in the beginning and 140.0 MB in the end (delta: -51.0 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. [2019-09-11 16:04:33,630 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 142.1 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:04:33,633 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.21 ms. Allocated memory was 142.1 MB in the beginning and 201.3 MB in the end (delta: 59.2 MB). Free memory was 88.8 MB in the beginning and 178.7 MB in the end (delta: -89.9 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. [2019-09-11 16:04:33,634 INFO L168 Benchmark]: Boogie Preprocessor took 30.66 ms. Allocated memory is still 201.3 MB. Free memory was 178.7 MB in the beginning and 177.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-09-11 16:04:33,636 INFO L168 Benchmark]: RCFGBuilder took 306.94 ms. Allocated memory is still 201.3 MB. Free memory was 177.0 MB in the beginning and 162.4 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2019-09-11 16:04:33,637 INFO L168 Benchmark]: Abstract Interpretation took 508.34 ms. Allocated memory is still 201.3 MB. Free memory was 162.4 MB in the beginning and 140.0 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-09-11 16:04:33,648 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 142.1 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 357.21 ms. Allocated memory was 142.1 MB in the beginning and 201.3 MB in the end (delta: 59.2 MB). Free memory was 88.8 MB in the beginning and 178.7 MB in the end (delta: -89.9 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.66 ms. Allocated memory is still 201.3 MB. Free memory was 178.7 MB in the beginning and 177.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 306.94 ms. Allocated memory is still 201.3 MB. Free memory was 177.0 MB in the beginning and 162.4 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 508.34 ms. Allocated memory is still 201.3 MB. Free memory was 162.4 MB in the beginning and 140.0 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 96]: 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: [L1] int __return_main; [L6] double _EPS = 0.0000010; [L9] double __return_125; [L12] double main__d; [L13] double main__r; [L14] main__d = 1.0 [L16] COND TRUE main__d <= 20.0 [L19] double __tmp_1; [L20] __tmp_1 = main__d [L21] double SqrtR__Input; [L22] SqrtR__Input = __tmp_1 [L23] double SqrtR__xn; [L24] double SqrtR__xnp1; [L25] double SqrtR__residu; [L26] double SqrtR__lsup; [L27] double SqrtR__linf; [L28] int SqrtR__i; [L29] int SqrtR__cond; [L30] COND FALSE !(SqrtR__Input <= 1.0) [L134] SqrtR__xn = 1.0 / SqrtR__Input [L34] SqrtR__xnp1 = SqrtR__xn [L35] SqrtR__residu = (2.0 * _EPS) * (SqrtR__xn + SqrtR__xnp1) [L36] SqrtR__lsup = _EPS * (SqrtR__xn + SqrtR__xnp1) [L37] SqrtR__linf = -SqrtR__lsup [L38] int SqrtR____CPAchecker_TMP_0; [L39] COND TRUE SqrtR__residu > SqrtR__lsup [L42] SqrtR____CPAchecker_TMP_0 = 1 [L44] SqrtR__cond = SqrtR____CPAchecker_TMP_0 [L45] SqrtR__i = 0 [L47] COND TRUE !(SqrtR__cond == 0) [L49] SqrtR__xnp1 = (SqrtR__xn * (15.0 + (((SqrtR__Input * SqrtR__xn) * SqrtR__xn) * (-10.0 + (((3.0 * SqrtR__Input) * SqrtR__xn) * SqrtR__xn))))) / 8.0 [L50] SqrtR__residu = 2.0 * (SqrtR__xnp1 - SqrtR__xn) [L51] SqrtR__xn = SqrtR__xnp1 [L52] SqrtR__lsup = _EPS * (SqrtR__xn + SqrtR__xnp1) [L53] SqrtR__linf = -SqrtR__lsup [L54] int SqrtR____CPAchecker_TMP_1; [L55] COND FALSE !(SqrtR__residu > SqrtR__lsup) [L67] COND FALSE !(SqrtR__residu < SqrtR__linf) [L73] SqrtR____CPAchecker_TMP_1 = 0 [L60] SqrtR__cond = SqrtR____CPAchecker_TMP_1 [L61] int SqrtR____CPAchecker_TMP_2 = SqrtR__i; [L62] SqrtR__i = SqrtR__i + 1 [L47] COND FALSE !(!(SqrtR__cond == 0)) [L80] __return_125 = 1.0 / SqrtR__xnp1 [L81] main__r = __return_125 [L82] int main____CPAchecker_TMP_0; [L83] COND FALSE !(main__r >= 1.0) [L109] main____CPAchecker_TMP_0 = 0 [L90] int __tmp_2; [L91] __tmp_2 = main____CPAchecker_TMP_0 [L92] int __VERIFIER_assert__cond; [L93] __VERIFIER_assert__cond = __tmp_2 [L94] COND TRUE __VERIFIER_assert__cond == 0 [L96] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...