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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/floats-cdfpl/newton_2_6.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:08:49,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:08:49,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:08:49,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 01:08:49,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 01:08:49,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 01:08:49,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 01:08:49,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 01:08:49,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 01:08:49,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 01:08:49,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 01:08:49,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 01:08:49,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:08:49,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:08:49,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:08:49,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:08:49,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:08:49,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:08:49,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:08:49,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:08:49,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:08:49,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:08:49,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:08:49,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:08:49,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 01:08:49,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 01:08:49,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 01:08:49,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 01:08:49,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 01:08:49,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 01:08:49,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 01:08:49,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 01:08:49,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 01:08:49,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 01:08:49,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 01:08:49,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 01:08:49,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 01:08:49,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 01:08:49,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:08:49,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:08:49,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:08:49,771 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 01:08:49,786 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:08:49,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:08:49,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:08:49,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:08:49,788 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:08:49,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:08:49,789 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:08:49,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:08:49,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:08:49,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:08:49,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:08:49,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:08:49,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:08:49,790 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:08:49,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:08:49,790 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:08:49,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:08:49,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:08:49,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:08:49,791 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:08:49,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:08:49,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:08:49,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:08:49,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:08:49,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:08:49,792 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:08:49,793 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:08:49,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:08:49,793 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:08:49,823 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:08:49,838 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:08:49,842 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:08:49,843 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:08:49,844 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:08:49,845 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_2_6.i [2019-09-08 01:08:49,917 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdb5652bf/1616f4691249438c8c10d38fac05fc3c/FLAGf916a981d [2019-09-08 01:08:50,377 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:08:50,380 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_2_6.i [2019-09-08 01:08:50,387 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdb5652bf/1616f4691249438c8c10d38fac05fc3c/FLAGf916a981d [2019-09-08 01:08:50,763 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdb5652bf/1616f4691249438c8c10d38fac05fc3c [2019-09-08 01:08:50,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:08:50,776 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:08:50,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:08:50,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:08:50,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:08:50,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:08:50" (1/1) ... [2019-09-08 01:08:50,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2793f22d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:50, skipping insertion in model container [2019-09-08 01:08:50,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:08:50" (1/1) ... [2019-09-08 01:08:50,793 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:08:50,814 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:08:51,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:08:51,050 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:08:51,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:08:51,094 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:08:51,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:51 WrapperNode [2019-09-08 01:08:51,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:08:51,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:08:51,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:08:51,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:08:51,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:51" (1/1) ... [2019-09-08 01:08:51,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:51" (1/1) ... [2019-09-08 01:08:51,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:51" (1/1) ... [2019-09-08 01:08:51,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:51" (1/1) ... [2019-09-08 01:08:51,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:51" (1/1) ... [2019-09-08 01:08:51,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:51" (1/1) ... [2019-09-08 01:08:51,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:51" (1/1) ... [2019-09-08 01:08:51,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:08:51,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:08:51,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:08:51,236 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:08:51,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:51" (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 [2019-09-08 01:08:51,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:08:51,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:08:51,294 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-08 01:08:51,294 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-09-08 01:08:51,294 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:08:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:08:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 01:08:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-08 01:08:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-08 01:08:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-09-08 01:08:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:08:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:08:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:08:51,453 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:08:51,454 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 01:08:51,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:08:51 BoogieIcfgContainer [2019-09-08 01:08:51,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:08:51,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:08:51,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:08:51,460 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:08:51,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:08:50" (1/3) ... [2019-09-08 01:08:51,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26241016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:08:51, skipping insertion in model container [2019-09-08 01:08:51,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:51" (2/3) ... [2019-09-08 01:08:51,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26241016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:08:51, skipping insertion in model container [2019-09-08 01:08:51,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:08:51" (3/3) ... [2019-09-08 01:08:51,464 INFO L109 eAbstractionObserver]: Analyzing ICFG newton_2_6.i [2019-09-08 01:08:51,475 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:08:51,482 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 01:08:51,499 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 01:08:51,527 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:08:51,527 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:08:51,528 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:08:51,528 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:08:51,528 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:08:51,528 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:08:51,528 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:08:51,529 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:08:51,529 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:08:51,546 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-09-08 01:08:51,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-09-08 01:08:51,553 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:08:51,554 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] [2019-09-08 01:08:51,556 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:08:51,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:08:51,562 INFO L82 PathProgramCache]: Analyzing trace with hash 784971363, now seen corresponding path program 1 times [2019-09-08 01:08:51,564 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:08:51,564 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:08:51,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:08:51,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:08:51,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:08:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:08:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:08:51,692 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:08:51,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:08:51 BoogieIcfgContainer [2019-09-08 01:08:51,717 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:08:51,721 INFO L168 Benchmark]: Toolchain (without parser) took 943.03 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 88.5 MB in the beginning and 150.4 MB in the end (delta: -61.9 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-09-08 01:08:51,722 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 132.1 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 01:08:51,723 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.43 ms. Allocated memory is still 132.1 MB. Free memory was 88.3 MB in the beginning and 78.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-08 01:08:51,725 INFO L168 Benchmark]: Boogie Preprocessor took 140.38 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 78.6 MB in the beginning and 174.6 MB in the end (delta: -96.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-09-08 01:08:51,726 INFO L168 Benchmark]: RCFGBuilder took 219.76 ms. Allocated memory is still 198.7 MB. Free memory was 174.6 MB in the beginning and 163.7 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-09-08 01:08:51,726 INFO L168 Benchmark]: TraceAbstraction took 260.69 ms. Allocated memory is still 198.7 MB. Free memory was 163.1 MB in the beginning and 150.4 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2019-09-08 01:08:51,730 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 132.1 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 317.43 ms. Allocated memory is still 132.1 MB. Free memory was 88.3 MB in the beginning and 78.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 140.38 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 78.6 MB in the beginning and 174.6 MB in the end (delta: -96.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 219.76 ms. Allocated memory is still 198.7 MB. Free memory was 174.6 MB in the beginning and 163.7 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 260.69 ms. Allocated memory is still 198.7 MB. Free memory was 163.1 MB in the beginning and 150.4 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 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: overapproximation of someBinaryFLOATComparisonOperation at line 17, overapproximation of someBinaryDOUBLEComparisonOperation at line 27, overapproximation of someBinaryArithmeticFLOAToperation at line 21. Possible FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=5] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=5, x=5] [L19] RET, EXPR f(IN) VAL [f(IN)=4, IN=5] [L19] CALL, EXPR fp(IN) VAL [\old(x)=5] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=5, x=5] [L19] RET, EXPR fp(IN) VAL [f(IN)=4, fp(IN)=1, IN=5] [L19] float x = IN - f(IN)/fp(IN); [L21] CALL, EXPR f(x) VAL [\old(x)=2] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=2, x=2] [L21] RET, EXPR f(x) VAL [f(x)=3, IN=5, x=2] [L21] CALL, EXPR fp(x) VAL [\old(x)=2] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=2, x=2] [L21] RET, EXPR fp(x) VAL [f(x)=3, fp(x)=0, IN=5, x=2] [L21] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) VAL [IN=5] [L28] __VERIFIER_error() VAL [IN=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 25 locations, 1 error locations. UNSAFE Result, 0.1s 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, 0.0s 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...