java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/floats-cdfpl/newton_2_2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 01:29:05,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 01:29:05,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 01:29:05,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 01:29:05,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 01:29:05,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 01:29:05,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 01:29:05,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 01:29:05,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 01:29:05,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 01:29:05,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 01:29:05,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 01:29:05,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 01:29:05,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 01:29:05,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 01:29:05,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 01:29:05,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 01:29:05,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 01:29:05,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 01:29:05,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 01:29:05,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 01:29:05,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 01:29:05,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 01:29:05,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 01:29:05,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 01:29:05,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 01:29:05,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 01:29:05,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 01:29:05,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 01:29:05,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 01:29:05,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 01:29:05,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 01:29:05,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 01:29:05,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 01:29:05,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 01:29:05,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 01:29:05,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 01:29:05,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 01:29:05,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 01:29:05,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 01:29:05,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 01:29:05,139 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 [2019-09-10 01:29:05,163 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 01:29:05,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 01:29:05,163 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 01:29:05,164 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 01:29:05,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 01:29:05,164 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 01:29:05,165 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 01:29:05,165 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 01:29:05,165 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 01:29:05,165 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 01:29:05,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 01:29:05,166 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 01:29:05,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 01:29:05,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 01:29:05,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 01:29:05,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 01:29:05,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 01:29:05,167 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 01:29:05,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 01:29:05,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 01:29:05,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 01:29:05,168 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 01:29:05,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 01:29:05,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 01:29:05,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 01:29:05,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 01:29:05,169 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 01:29:05,169 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 01:29:05,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 01:29:05,170 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 01:29:05,212 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 01:29:05,224 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 01:29:05,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 01:29:05,229 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 01:29:05,230 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 01:29:05,231 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_2_2.i [2019-09-10 01:29:05,299 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d594ca5/0ff9c11f66f94875ac0bbcaa151dc9fc/FLAG559c426f6 [2019-09-10 01:29:05,739 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 01:29:05,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_2_2.i [2019-09-10 01:29:05,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d594ca5/0ff9c11f66f94875ac0bbcaa151dc9fc/FLAG559c426f6 [2019-09-10 01:29:06,162 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d594ca5/0ff9c11f66f94875ac0bbcaa151dc9fc [2019-09-10 01:29:06,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 01:29:06,172 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 01:29:06,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 01:29:06,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 01:29:06,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 01:29:06,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:29:06" (1/1) ... [2019-09-10 01:29:06,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7da35d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:29:06, skipping insertion in model container [2019-09-10 01:29:06,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:29:06" (1/1) ... [2019-09-10 01:29:06,188 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 01:29:06,204 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 01:29:06,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:29:06,399 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 01:29:06,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:29:06,523 INFO L192 MainTranslator]: Completed translation [2019-09-10 01:29:06,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:29:06 WrapperNode [2019-09-10 01:29:06,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 01:29:06,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 01:29:06,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 01:29:06,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 01:29:06,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:29:06" (1/1) ... [2019-09-10 01:29:06,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:29:06" (1/1) ... [2019-09-10 01:29:06,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:29:06" (1/1) ... [2019-09-10 01:29:06,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:29:06" (1/1) ... [2019-09-10 01:29:06,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:29:06" (1/1) ... [2019-09-10 01:29:06,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:29:06" (1/1) ... [2019-09-10 01:29:06,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:29:06" (1/1) ... [2019-09-10 01:29:06,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 01:29:06,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 01:29:06,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 01:29:06,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 01:29:06,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:29:06" (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 [2019-09-10 01:29:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 01:29:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 01:29:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-10 01:29:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-09-10 01:29:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 01:29:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 01:29:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 01:29:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-10 01:29:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-10 01:29:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-09-10 01:29:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 01:29:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 01:29:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 01:29:06,774 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 01:29:06,775 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 01:29:06,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:29:06 BoogieIcfgContainer [2019-09-10 01:29:06,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 01:29:06,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 01:29:06,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 01:29:06,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 01:29:06,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 01:29:06" (1/3) ... [2019-09-10 01:29:06,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3329316e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:29:06, skipping insertion in model container [2019-09-10 01:29:06,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:29:06" (2/3) ... [2019-09-10 01:29:06,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3329316e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:29:06, skipping insertion in model container [2019-09-10 01:29:06,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:29:06" (3/3) ... [2019-09-10 01:29:06,784 INFO L109 eAbstractionObserver]: Analyzing ICFG newton_2_2.i [2019-09-10 01:29:06,793 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 01:29:06,802 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 01:29:06,836 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 01:29:06,872 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 01:29:06,873 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 01:29:06,873 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 01:29:06,873 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 01:29:06,875 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 01:29:06,875 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 01:29:06,876 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 01:29:06,876 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 01:29:06,906 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-09-10 01:29:06,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-09-10 01:29:06,915 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 01:29:06,916 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 01:29:06,918 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 01:29:06,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 01:29:06,925 INFO L82 PathProgramCache]: Analyzing trace with hash 784971363, now seen corresponding path program 1 times [2019-09-10 01:29:06,928 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 01:29:06,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:29:06,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:29:06,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:29:06,974 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 01:29:07,008 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-10 01:29:07,008 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-10 01:29:07,008 INFO L170 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-10 01:29:07,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:29:07,030 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2019-09-10 01:29:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-09-10 01:29:09,291 INFO L285 seRefinementStrategy]: Strategy TaipanRefinementStrategy was unsuccessful and could not determine trace feasibility. [2019-09-10 01:29:09,291 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-10 01:29:09,308 WARN L226 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2019-09-10 01:29:09,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 01:29:09 BoogieIcfgContainer [2019-09-10 01:29:09,309 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 01:29:09,313 INFO L168 Benchmark]: Toolchain (without parser) took 3140.05 ms. Allocated memory was 140.0 MB in the beginning and 198.2 MB in the end (delta: 58.2 MB). Free memory was 88.1 MB in the beginning and 147.7 MB in the end (delta: -59.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 01:29:09,314 INFO L168 Benchmark]: CDTParser took 1.18 ms. Allocated memory is still 140.0 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 01:29:09,315 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.12 ms. Allocated memory was 140.0 MB in the beginning and 198.2 MB in the end (delta: 58.2 MB). Free memory was 87.7 MB in the beginning and 176.8 MB in the end (delta: -89.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-09-10 01:29:09,316 INFO L168 Benchmark]: Boogie Preprocessor took 24.40 ms. Allocated memory is still 198.2 MB. Free memory was 176.8 MB in the beginning and 174.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-10 01:29:09,317 INFO L168 Benchmark]: RCFGBuilder took 226.67 ms. Allocated memory is still 198.2 MB. Free memory was 174.6 MB in the beginning and 163.4 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-10 01:29:09,318 INFO L168 Benchmark]: TraceAbstraction took 2532.93 ms. Allocated memory is still 198.2 MB. Free memory was 162.8 MB in the beginning and 147.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-09-10 01:29:09,324 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.18 ms. Allocated memory is still 140.0 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 351.12 ms. Allocated memory was 140.0 MB in the beginning and 198.2 MB in the end (delta: 58.2 MB). Free memory was 87.7 MB in the beginning and 176.8 MB in the end (delta: -89.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.40 ms. Allocated memory is still 198.2 MB. Free memory was 176.8 MB in the beginning and 174.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 226.67 ms. Allocated memory is still 198.2 MB. Free memory was 174.6 MB in the beginning and 163.4 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2532.93 ms. Allocated memory is still 198.2 MB. Free memory was 162.8 MB in the beginning and 147.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 28]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. 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() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 25 locations, 1 error locations. UNKNOWN Result, 2.4s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...