./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_2_8_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_8_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2d89a0564bbb0fd26a33f9c676f8f302637a0505 ...................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_8_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2d89a0564bbb0fd26a33f9c676f8f302637a0505 ..................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 08:24:45,593 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 08:24:45,595 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 08:24:45,603 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 08:24:45,603 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 08:24:45,603 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 08:24:45,604 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 08:24:45,605 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 08:24:45,605 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 08:24:45,606 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 08:24:45,606 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 08:24:45,606 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 08:24:45,607 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 08:24:45,607 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 08:24:45,608 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 08:24:45,608 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 08:24:45,608 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 08:24:45,609 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 08:24:45,610 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 08:24:45,611 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 08:24:45,611 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 08:24:45,612 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 08:24:45,614 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 08:24:45,614 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 08:24:45,614 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 08:24:45,615 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 08:24:45,615 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 08:24:45,615 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 08:24:45,616 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 08:24:45,616 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 08:24:45,616 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 08:24:45,617 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 08:24:45,617 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 08:24:45,617 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 08:24:45,617 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 08:24:45,618 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 08:24:45,618 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 08:24:45,625 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 08:24:45,625 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 08:24:45,626 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 08:24:45,626 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 08:24:45,626 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 08:24:45,626 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 08:24:45,626 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 08:24:45,627 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 08:24:45,627 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 08:24:45,627 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 08:24:45,627 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 08:24:45,627 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 08:24:45,627 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 08:24:45,628 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 08:24:45,628 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 08:24:45,628 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 08:24:45,628 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 08:24:45,629 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 08:24:45,629 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 08:24:45,629 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 08:24:45,629 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 08:24:45,629 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 08:24:45,629 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 08:24:45,629 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 08:24:45,630 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 08:24:45,630 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 08:24:45,630 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 08:24:45,630 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 08:24:45,630 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 08:24:45,630 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 08:24:45,631 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 08:24:45,631 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 08:24:45,631 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 08:24:45,631 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 08:24:45,631 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 08:24:45,631 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 08:24:45,631 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d89a0564bbb0fd26a33f9c676f8f302637a0505 [2018-12-02 08:24:45,653 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 08:24:45,660 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 08:24:45,662 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 08:24:45,663 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 08:24:45,663 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 08:24:45,663 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_2_8_false-unreach-call_true-termination.i [2018-12-02 08:24:45,696 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan/data/80b284836/58264447972b4a72b8a47b3d1f2b1f59/FLAGce8e7905b [2018-12-02 08:24:45,990 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 08:24:45,991 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/sv-benchmarks/c/floats-cdfpl/newton_2_8_false-unreach-call_true-termination.i [2018-12-02 08:24:45,994 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan/data/80b284836/58264447972b4a72b8a47b3d1f2b1f59/FLAGce8e7905b [2018-12-02 08:24:46,431 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan/data/80b284836/58264447972b4a72b8a47b3d1f2b1f59 [2018-12-02 08:24:46,433 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 08:24:46,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 08:24:46,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 08:24:46,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 08:24:46,436 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 08:24:46,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:24:46" (1/1) ... [2018-12-02 08:24:46,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@355d8d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:46, skipping insertion in model container [2018-12-02 08:24:46,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:24:46" (1/1) ... [2018-12-02 08:24:46,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 08:24:46,452 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 08:24:46,547 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:24:46,549 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 08:24:46,560 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:24:46,567 INFO L195 MainTranslator]: Completed translation [2018-12-02 08:24:46,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:46 WrapperNode [2018-12-02 08:24:46,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 08:24:46,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 08:24:46,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 08:24:46,568 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 08:24:46,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:46" (1/1) ... [2018-12-02 08:24:46,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:46" (1/1) ... [2018-12-02 08:24:46,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 08:24:46,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 08:24:46,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 08:24:46,584 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 08:24:46,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:46" (1/1) ... [2018-12-02 08:24:46,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:46" (1/1) ... [2018-12-02 08:24:46,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:46" (1/1) ... [2018-12-02 08:24:46,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:46" (1/1) ... [2018-12-02 08:24:46,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:46" (1/1) ... [2018-12-02 08:24:46,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:46" (1/1) ... [2018-12-02 08:24:46,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:46" (1/1) ... [2018-12-02 08:24:46,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 08:24:46,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 08:24:46,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 08:24:46,596 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 08:24:46,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan/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 [2018-12-02 08:24:46,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 08:24:46,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 08:24:46,655 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-02 08:24:46,655 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-02 08:24:46,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 08:24:46,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 08:24:46,655 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-12-02 08:24:46,656 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-12-02 08:24:46,656 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 08:24:46,656 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 08:24:46,731 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 08:24:46,732 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-02 08:24:46,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:24:46 BoogieIcfgContainer [2018-12-02 08:24:46,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 08:24:46,732 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 08:24:46,732 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 08:24:46,734 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 08:24:46,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:24:46" (1/3) ... [2018-12-02 08:24:46,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58d0a195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:24:46, skipping insertion in model container [2018-12-02 08:24:46,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:46" (2/3) ... [2018-12-02 08:24:46,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58d0a195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:24:46, skipping insertion in model container [2018-12-02 08:24:46,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:24:46" (3/3) ... [2018-12-02 08:24:46,736 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_2_8_false-unreach-call_true-termination.i [2018-12-02 08:24:46,742 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 08:24:46,746 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 08:24:46,756 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 08:24:46,774 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 08:24:46,775 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 08:24:46,775 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 08:24:46,775 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 08:24:46,775 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 08:24:46,775 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 08:24:46,775 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 08:24:46,775 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 08:24:46,785 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-12-02 08:24:46,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 08:24:46,789 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:24:46,790 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:24:46,791 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:24:46,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:24:46,795 INFO L82 PathProgramCache]: Analyzing trace with hash 784971363, now seen corresponding path program 1 times [2018-12-02 08:24:46,796 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:24:46,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:24:46,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:24:46,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:24:46,826 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:24:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:24:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:24:46,868 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 08:24:46,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:24:46 BoogieIcfgContainer [2018-12-02 08:24:46,883 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 08:24:46,883 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 08:24:46,883 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 08:24:46,883 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 08:24:46,883 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:24:46" (3/4) ... [2018-12-02 08:24:46,885 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 08:24:46,886 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 08:24:46,886 INFO L168 Benchmark]: Toolchain (without parser) took 453.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -115.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:24:46,887 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:24:46,887 INFO L168 Benchmark]: CACSL2BoogieTranslator took 134.02 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 08:24:46,888 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.65 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:24:46,888 INFO L168 Benchmark]: Boogie Preprocessor took 11.46 ms. Allocated memory is still 1.0 GB. Free memory was 942.6 MB in the beginning and 939.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 08:24:46,888 INFO L168 Benchmark]: RCFGBuilder took 136.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -142.4 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-12-02 08:24:46,889 INFO L168 Benchmark]: TraceAbstraction took 150.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 08:24:46,889 INFO L168 Benchmark]: Witness Printer took 2.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:24:46,891 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 134.02 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.65 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.46 ms. Allocated memory is still 1.0 GB. Free memory was 942.6 MB in the beginning and 939.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 136.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -142.4 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 150.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 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... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 08:24:48,269 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 08:24:48,270 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 08:24:48,277 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 08:24:48,277 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 08:24:48,278 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 08:24:48,279 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 08:24:48,280 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 08:24:48,281 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 08:24:48,282 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 08:24:48,282 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 08:24:48,283 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 08:24:48,283 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 08:24:48,284 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 08:24:48,285 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 08:24:48,285 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 08:24:48,286 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 08:24:48,287 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 08:24:48,288 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 08:24:48,289 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 08:24:48,290 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 08:24:48,291 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 08:24:48,293 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 08:24:48,293 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 08:24:48,293 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 08:24:48,294 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 08:24:48,294 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 08:24:48,295 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 08:24:48,295 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 08:24:48,296 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 08:24:48,296 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 08:24:48,297 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 08:24:48,297 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 08:24:48,297 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 08:24:48,298 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 08:24:48,298 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 08:24:48,298 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 08:24:48,309 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 08:24:48,309 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 08:24:48,309 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 08:24:48,309 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 08:24:48,309 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 08:24:48,310 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 08:24:48,310 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 08:24:48,310 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 08:24:48,310 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 08:24:48,310 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 08:24:48,310 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 08:24:48,310 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 08:24:48,311 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 08:24:48,311 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 08:24:48,311 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 08:24:48,311 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 08:24:48,311 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 08:24:48,311 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 08:24:48,311 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 08:24:48,311 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 08:24:48,312 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 08:24:48,312 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 08:24:48,312 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 08:24:48,312 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 08:24:48,312 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 08:24:48,312 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 08:24:48,312 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 08:24:48,312 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 08:24:48,312 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 08:24:48,312 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 08:24:48,313 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 08:24:48,313 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 08:24:48,313 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 08:24:48,313 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 08:24:48,313 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 08:24:48,313 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d89a0564bbb0fd26a33f9c676f8f302637a0505 [2018-12-02 08:24:48,336 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 08:24:48,345 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 08:24:48,348 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 08:24:48,349 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 08:24:48,350 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 08:24:48,350 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_2_8_false-unreach-call_true-termination.i [2018-12-02 08:24:48,391 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan/data/c2bc0aedb/2a926b95dbbd482593bbae9bd80bf478/FLAG95c74eacf [2018-12-02 08:24:48,787 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 08:24:48,787 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/sv-benchmarks/c/floats-cdfpl/newton_2_8_false-unreach-call_true-termination.i [2018-12-02 08:24:48,791 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan/data/c2bc0aedb/2a926b95dbbd482593bbae9bd80bf478/FLAG95c74eacf [2018-12-02 08:24:48,799 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan/data/c2bc0aedb/2a926b95dbbd482593bbae9bd80bf478 [2018-12-02 08:24:48,800 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 08:24:48,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 08:24:48,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 08:24:48,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 08:24:48,804 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 08:24:48,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:24:48" (1/1) ... [2018-12-02 08:24:48,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e29c583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:48, skipping insertion in model container [2018-12-02 08:24:48,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:24:48" (1/1) ... [2018-12-02 08:24:48,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 08:24:48,819 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 08:24:48,917 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:24:48,921 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 08:24:48,936 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:24:48,946 INFO L195 MainTranslator]: Completed translation [2018-12-02 08:24:48,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:48 WrapperNode [2018-12-02 08:24:48,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 08:24:48,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 08:24:48,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 08:24:48,947 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 08:24:48,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:48" (1/1) ... [2018-12-02 08:24:48,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:48" (1/1) ... [2018-12-02 08:24:48,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 08:24:48,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 08:24:48,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 08:24:48,962 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 08:24:48,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:48" (1/1) ... [2018-12-02 08:24:48,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:48" (1/1) ... [2018-12-02 08:24:48,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:48" (1/1) ... [2018-12-02 08:24:48,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:48" (1/1) ... [2018-12-02 08:24:48,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:48" (1/1) ... [2018-12-02 08:24:48,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:48" (1/1) ... [2018-12-02 08:24:48,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:48" (1/1) ... [2018-12-02 08:24:48,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 08:24:48,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 08:24:48,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 08:24:48,982 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 08:24:48,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan/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 [2018-12-02 08:24:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 08:24:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 08:24:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-02 08:24:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-02 08:24:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 08:24:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 08:24:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-12-02 08:24:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-12-02 08:24:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 08:24:49,056 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 08:24:54,476 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 08:24:54,476 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-02 08:24:54,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:24:54 BoogieIcfgContainer [2018-12-02 08:24:54,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 08:24:54,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 08:24:54,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 08:24:54,479 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 08:24:54,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:24:48" (1/3) ... [2018-12-02 08:24:54,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21af54a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:24:54, skipping insertion in model container [2018-12-02 08:24:54,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:48" (2/3) ... [2018-12-02 08:24:54,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21af54a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:24:54, skipping insertion in model container [2018-12-02 08:24:54,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:24:54" (3/3) ... [2018-12-02 08:24:54,481 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_2_8_false-unreach-call_true-termination.i [2018-12-02 08:24:54,486 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 08:24:54,492 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 08:24:54,505 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 08:24:54,523 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 08:24:54,524 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 08:24:54,524 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 08:24:54,524 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 08:24:54,525 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 08:24:54,525 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 08:24:54,525 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 08:24:54,525 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 08:24:54,525 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 08:24:54,537 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-12-02 08:24:54,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 08:24:54,541 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:24:54,541 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:24:54,543 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:24:54,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:24:54,546 INFO L82 PathProgramCache]: Analyzing trace with hash 784971363, now seen corresponding path program 1 times [2018-12-02 08:24:54,549 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 08:24:54,549 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-02 08:24:54,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:25:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:25:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:25:10,107 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 08:25:10,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:25:10 BoogieIcfgContainer [2018-12-02 08:25:10,131 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 08:25:10,131 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 08:25:10,131 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 08:25:10,132 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 08:25:10,132 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:24:54" (3/4) ... [2018-12-02 08:25:10,133 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 08:25:10,160 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_84c7b758-82f6-41b5-9b76-26b6094b500f/bin-2019/utaipan/witness.graphml [2018-12-02 08:25:10,160 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 08:25:10,160 INFO L168 Benchmark]: Toolchain (without parser) took 21359.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -138.7 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2018-12-02 08:25:10,161 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:25:10,161 INFO L168 Benchmark]: CACSL2BoogieTranslator took 144.66 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-12-02 08:25:10,162 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.51 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:25:10,162 INFO L168 Benchmark]: Boogie Preprocessor took 18.96 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 08:25:10,162 INFO L168 Benchmark]: RCFGBuilder took 5495.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -175.6 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-02 08:25:10,162 INFO L168 Benchmark]: TraceAbstraction took 15654.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-12-02 08:25:10,163 INFO L168 Benchmark]: Witness Printer took 28.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:25:10,164 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 144.66 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.51 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.96 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5495.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -175.6 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15654.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * Witness Printer took 28.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 28]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=-1.260115623474121] [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)=-1.260115623474121, \result=-0.9541059732437134, x=-1.260115623474121] [L19] RET, EXPR f(IN) VAL [f(IN)=-0.9541059732437134, IN=-1.260115623474121] [L19] CALL, EXPR fp(IN) VAL [\old(x)=-1.260115623474121] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-1.260115623474121, \result=0.31667330861091614, x=-1.260115623474121] [L19] RET, EXPR fp(IN) VAL [f(IN)=-0.9541059732437134, fp(IN)=0.31667330861091614, IN=-1.260115623474121] [L19] float x = IN - f(IN)/fp(IN); [L21] CALL, EXPR f(x) VAL [\old(x)=1.7527873516082764] [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)=1.7527873516082764, \result=1.0032366514205933, x=1.7527873516082764] [L21] RET, EXPR f(x) VAL [f(x)=1.0032366514205933, IN=-1.260115623474121, x=1.7527873516082764] [L21] CALL, EXPR fp(x) VAL [\old(x)=1.7527873516082764] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=1.7527873516082764, \result=-0.10257260501384735, x=1.7527873516082764] [L21] RET, EXPR fp(x) VAL [f(x)=1.0032366514205933, fp(x)=-0.10257260501384735, IN=-1.260115623474121, x=1.7527873516082764] [L21] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) VAL [IN=-1.260115623474121, x=11.533534049987793] [L28] __VERIFIER_error() VAL [IN=-1.260115623474121, x=11.533534049987793] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 25 locations, 1 error locations. UNSAFE Result, 15.6s 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, 5.8s 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 proved your program to be incorrect! Received shutdown request...