./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_3_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_7c33a356-58b8-42ca-9ade-438061863c49/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7c33a356-58b8-42ca-9ade-438061863c49/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7c33a356-58b8-42ca-9ade-438061863c49/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7c33a356-58b8-42ca-9ade-438061863c49/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7c33a356-58b8-42ca-9ade-438061863c49/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7c33a356-58b8-42ca-9ade-438061863c49/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 2602ec85874add80e06b2692c2aa37caac725410 ............................................................................................................................................................................................................................................................................... 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_7c33a356-58b8-42ca-9ade-438061863c49/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7c33a356-58b8-42ca-9ade-438061863c49/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7c33a356-58b8-42ca-9ade-438061863c49/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7c33a356-58b8-42ca-9ade-438061863c49/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7c33a356-58b8-42ca-9ade-438061863c49/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7c33a356-58b8-42ca-9ade-438061863c49/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 2602ec85874add80e06b2692c2aa37caac725410 ........................................................................................................................................................................................................................................................................... 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 [2018-12-08 15:28:31,911 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 15:28:31,912 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 15:28:31,918 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 15:28:31,919 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 15:28:31,919 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 15:28:31,920 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 15:28:31,921 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 15:28:31,922 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 15:28:31,922 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 15:28:31,922 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 15:28:31,923 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 15:28:31,923 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 15:28:31,924 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 15:28:31,924 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 15:28:31,925 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 15:28:31,925 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 15:28:31,926 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 15:28:31,927 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 15:28:31,928 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 15:28:31,928 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 15:28:31,929 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 15:28:31,930 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 15:28:31,930 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 15:28:31,930 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 15:28:31,931 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 15:28:31,931 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 15:28:31,932 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 15:28:31,932 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 15:28:31,933 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 15:28:31,933 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 15:28:31,933 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 15:28:31,933 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 15:28:31,933 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 15:28:31,934 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 15:28:31,934 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 15:28:31,934 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7c33a356-58b8-42ca-9ade-438061863c49/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 15:28:31,941 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 15:28:31,942 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 15:28:31,942 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 15:28:31,942 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 15:28:31,942 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 15:28:31,942 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 15:28:31,942 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 15:28:31,943 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 15:28:31,943 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 15:28:31,943 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 15:28:31,943 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 15:28:31,943 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 15:28:31,943 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 15:28:31,943 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 15:28:31,943 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 15:28:31,943 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 15:28:31,943 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 15:28:31,944 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 15:28:31,944 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 15:28:31,944 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 15:28:31,944 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 15:28:31,944 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 15:28:31,944 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 15:28:31,944 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 15:28:31,944 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 15:28:31,944 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 15:28:31,944 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 15:28:31,944 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 15:28:31,944 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 15:28:31,944 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 15:28:31,945 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 15:28:31,945 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 15:28:31,945 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 15:28:31,945 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 15:28:31,945 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 15:28:31,945 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 15:28:31,945 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_7c33a356-58b8-42ca-9ade-438061863c49/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 -> 2602ec85874add80e06b2692c2aa37caac725410 [2018-12-08 15:28:31,963 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 15:28:31,972 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 15:28:31,974 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 15:28:31,975 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 15:28:31,975 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 15:28:31,976 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7c33a356-58b8-42ca-9ade-438061863c49/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i [2018-12-08 15:28:32,019 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c33a356-58b8-42ca-9ade-438061863c49/bin-2019/utaipan/data/53271b677/eeb4439062f94ac6ad8d812a50fe0cef/FLAG791eef7ae [2018-12-08 15:28:32,426 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 15:28:32,426 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7c33a356-58b8-42ca-9ade-438061863c49/sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i [2018-12-08 15:28:32,429 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c33a356-58b8-42ca-9ade-438061863c49/bin-2019/utaipan/data/53271b677/eeb4439062f94ac6ad8d812a50fe0cef/FLAG791eef7ae [2018-12-08 15:28:32,437 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7c33a356-58b8-42ca-9ade-438061863c49/bin-2019/utaipan/data/53271b677/eeb4439062f94ac6ad8d812a50fe0cef [2018-12-08 15:28:32,439 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 15:28:32,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 15:28:32,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 15:28:32,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 15:28:32,442 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 15:28:32,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:28:32" (1/1) ... [2018-12-08 15:28:32,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@96971f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:28:32, skipping insertion in model container [2018-12-08 15:28:32,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:28:32" (1/1) ... [2018-12-08 15:28:32,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 15:28:32,458 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 15:28:32,545 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:28:32,548 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 15:28:32,558 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:28:32,566 INFO L195 MainTranslator]: Completed translation [2018-12-08 15:28:32,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:28:32 WrapperNode [2018-12-08 15:28:32,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 15:28:32,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 15:28:32,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 15:28:32,567 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 15:28:32,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:28:32" (1/1) ... [2018-12-08 15:28:32,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:28:32" (1/1) ... [2018-12-08 15:28:32,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 15:28:32,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 15:28:32,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 15:28:32,580 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 15:28:32,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:28:32" (1/1) ... [2018-12-08 15:28:32,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:28:32" (1/1) ... [2018-12-08 15:28:32,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:28:32" (1/1) ... [2018-12-08 15:28:32,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:28:32" (1/1) ... [2018-12-08 15:28:32,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:28:32" (1/1) ... [2018-12-08 15:28:32,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:28:32" (1/1) ... [2018-12-08 15:28:32,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:28:32" (1/1) ... [2018-12-08 15:28:32,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 15:28:32,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 15:28:32,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 15:28:32,592 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 15:28:32,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:28:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c33a356-58b8-42ca-9ade-438061863c49/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 [2018-12-08 15:28:32,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 15:28:32,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 15:28:32,652 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-08 15:28:32,652 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-08 15:28:32,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 15:28:32,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 15:28:32,653 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-12-08 15:28:32,653 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-12-08 15:28:32,653 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 15:28:32,653 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 15:28:32,742 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 15:28:32,743 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-08 15:28:32,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:28:32 BoogieIcfgContainer [2018-12-08 15:28:32,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 15:28:32,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 15:28:32,744 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 15:28:32,746 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 15:28:32,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 03:28:32" (1/3) ... [2018-12-08 15:28:32,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c562734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:28:32, skipping insertion in model container [2018-12-08 15:28:32,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:28:32" (2/3) ... [2018-12-08 15:28:32,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c562734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:28:32, skipping insertion in model container [2018-12-08 15:28:32,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:28:32" (3/3) ... [2018-12-08 15:28:32,748 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_3_8_false-unreach-call_true-termination.i [2018-12-08 15:28:32,754 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 15:28:32,758 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 15:28:32,768 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 15:28:32,788 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 15:28:32,788 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 15:28:32,788 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 15:28:32,788 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 15:28:32,788 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 15:28:32,789 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 15:28:32,789 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 15:28:32,789 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 15:28:32,801 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-12-08 15:28:32,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-08 15:28:32,806 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:28:32,806 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:28:32,808 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:28:32,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:28:32,811 INFO L82 PathProgramCache]: Analyzing trace with hash 122785517, now seen corresponding path program 1 times [2018-12-08 15:28:32,813 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:28:32,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:28:32,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:28:32,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:28:32,842 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:28:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 15:28:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 15:28:32,894 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 15:28:32,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 03:28:32 BoogieIcfgContainer [2018-12-08 15:28:32,911 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 15:28:32,911 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 15:28:32,911 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 15:28:32,911 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 15:28:32,911 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:28:32" (3/4) ... [2018-12-08 15:28:32,913 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 15:28:32,914 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 15:28:32,914 INFO L168 Benchmark]: Toolchain (without parser) took 475.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -119.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 15:28:32,915 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 15:28:32,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 126.62 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 15:28:32,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.63 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 15:28:32,917 INFO L168 Benchmark]: Boogie Preprocessor took 12.30 ms. Allocated memory is still 1.0 GB. Free memory was 946.3 MB in the beginning and 941.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 15:28:32,917 INFO L168 Benchmark]: RCFGBuilder took 151.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-08 15:28:32,918 INFO L168 Benchmark]: TraceAbstraction took 166.78 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-12-08 15:28:32,918 INFO L168 Benchmark]: Witness Printer took 2.82 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. [2018-12-08 15:28:32,921 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 126.62 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 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 12.63 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.30 ms. Allocated memory is still 1.0 GB. Free memory was 946.3 MB in the beginning and 941.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 151.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 166.78 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.82 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 23. Possible FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=8] [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)=8, x=8] [L19] RET, EXPR f(IN) VAL [f(IN)=5, IN=8] [L19] CALL, EXPR fp(IN) VAL [\old(x)=8] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=8, x=8] [L19] RET, EXPR fp(IN) VAL [f(IN)=5, fp(IN)=2, IN=8] [L19] float x = IN - f(IN)/fp(IN); [L21] CALL, EXPR f(x) VAL [\old(x)=3] [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)=3, x=3] [L21] RET, EXPR f(x) VAL [f(x)=4, IN=8, x=3] [L21] CALL, EXPR fp(x) VAL [\old(x)=3] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=3, x=3] [L21] RET, EXPR fp(x) VAL [f(x)=4, fp(x)=0, IN=8, x=3] [L21] x = x - f(x)/fp(x) [L23] CALL, EXPR f(x) VAL [\old(x)=6] [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)=6, x=6] [L23] RET, EXPR f(x) VAL [f(x)=1, IN=8, x=6] [L23] CALL, EXPR fp(x) VAL [\old(x)=6] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=6, x=6] [L23] RET, EXPR fp(x) VAL [f(x)=1, fp(x)=7, IN=8, x=6] [L23] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) VAL [IN=8] [L28] __VERIFIER_error() VAL [IN=8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 28 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 3 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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, 34 NumberOfCodeBlocks, 34 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 [2018-12-08 15:28:34,197 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 15:28:34,198 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 15:28:34,204 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 15:28:34,204 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 15:28:34,205 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 15:28:34,205 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 15:28:34,206 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 15:28:34,207 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 15:28:34,207 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 15:28:34,207 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 15:28:34,208 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 15:28:34,208 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 15:28:34,208 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 15:28:34,209 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 15:28:34,209 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 15:28:34,210 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 15:28:34,211 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 15:28:34,212 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 15:28:34,212 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 15:28:34,213 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 15:28:34,214 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 15:28:34,215 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 15:28:34,215 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 15:28:34,215 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 15:28:34,215 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 15:28:34,216 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 15:28:34,216 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 15:28:34,216 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 15:28:34,217 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 15:28:34,217 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 15:28:34,217 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 15:28:34,218 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 15:28:34,218 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 15:28:34,218 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 15:28:34,219 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 15:28:34,219 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7c33a356-58b8-42ca-9ade-438061863c49/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-08 15:28:34,227 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 15:28:34,228 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 15:28:34,228 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 15:28:34,228 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 15:28:34,229 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 15:28:34,229 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 15:28:34,229 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 15:28:34,229 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 15:28:34,229 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 15:28:34,229 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 15:28:34,230 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 15:28:34,230 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 15:28:34,230 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 15:28:34,230 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 15:28:34,231 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 15:28:34,231 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 15:28:34,231 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 15:28:34,231 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 15:28:34,231 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 15:28:34,231 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 15:28:34,231 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 15:28:34,232 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 15:28:34,232 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 15:28:34,232 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 15:28:34,232 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 15:28:34,232 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 15:28:34,232 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 15:28:34,233 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 15:28:34,233 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 15:28:34,233 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 15:28:34,233 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 15:28:34,233 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 15:28:34,233 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 15:28:34,233 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 15:28:34,234 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 15:28:34,234 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_7c33a356-58b8-42ca-9ade-438061863c49/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 -> 2602ec85874add80e06b2692c2aa37caac725410 [2018-12-08 15:28:34,257 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 15:28:34,264 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 15:28:34,266 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 15:28:34,267 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 15:28:34,268 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 15:28:34,268 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7c33a356-58b8-42ca-9ade-438061863c49/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i [2018-12-08 15:28:34,304 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c33a356-58b8-42ca-9ade-438061863c49/bin-2019/utaipan/data/a3f469ad3/16f3c7613d2b46749073367537b635d4/FLAG97f5bc25f [2018-12-08 15:28:34,725 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 15:28:34,725 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7c33a356-58b8-42ca-9ade-438061863c49/sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i [2018-12-08 15:28:34,729 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c33a356-58b8-42ca-9ade-438061863c49/bin-2019/utaipan/data/a3f469ad3/16f3c7613d2b46749073367537b635d4/FLAG97f5bc25f [2018-12-08 15:28:34,736 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7c33a356-58b8-42ca-9ade-438061863c49/bin-2019/utaipan/data/a3f469ad3/16f3c7613d2b46749073367537b635d4 [2018-12-08 15:28:34,738 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 15:28:34,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 15:28:34,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 15:28:34,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 15:28:34,742 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 15:28:34,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:28:34" (1/1) ... [2018-12-08 15:28:34,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61af8d13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:28:34, skipping insertion in model container [2018-12-08 15:28:34,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:28:34" (1/1) ... [2018-12-08 15:28:34,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 15:28:34,757 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 15:28:34,845 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:28:34,848 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 15:28:34,860 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:28:34,868 INFO L195 MainTranslator]: Completed translation [2018-12-08 15:28:34,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:28:34 WrapperNode [2018-12-08 15:28:34,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 15:28:34,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 15:28:34,869 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 15:28:34,869 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 15:28:34,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:28:34" (1/1) ... [2018-12-08 15:28:34,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:28:34" (1/1) ... [2018-12-08 15:28:34,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 15:28:34,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 15:28:34,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 15:28:34,883 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 15:28:34,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:28:34" (1/1) ... [2018-12-08 15:28:34,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:28:34" (1/1) ... [2018-12-08 15:28:34,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:28:34" (1/1) ... [2018-12-08 15:28:34,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:28:34" (1/1) ... [2018-12-08 15:28:34,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:28:34" (1/1) ... [2018-12-08 15:28:34,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:28:34" (1/1) ... [2018-12-08 15:28:34,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:28:34" (1/1) ... [2018-12-08 15:28:34,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 15:28:34,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 15:28:34,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 15:28:34,899 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 15:28:34,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:28:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c33a356-58b8-42ca-9ade-438061863c49/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 [2018-12-08 15:28:34,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 15:28:34,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 15:28:34,963 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-08 15:28:34,963 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-08 15:28:34,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 15:28:34,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 15:28:34,964 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-12-08 15:28:34,964 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-12-08 15:28:34,964 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 15:28:34,964 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 15:28:41,610 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 15:28:41,610 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-08 15:28:41,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:28:41 BoogieIcfgContainer [2018-12-08 15:28:41,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 15:28:41,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 15:28:41,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 15:28:41,613 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 15:28:41,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 03:28:34" (1/3) ... [2018-12-08 15:28:41,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db11f34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:28:41, skipping insertion in model container [2018-12-08 15:28:41,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:28:34" (2/3) ... [2018-12-08 15:28:41,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db11f34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:28:41, skipping insertion in model container [2018-12-08 15:28:41,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:28:41" (3/3) ... [2018-12-08 15:28:41,615 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_3_8_false-unreach-call_true-termination.i [2018-12-08 15:28:41,620 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 15:28:41,625 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 15:28:41,633 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 15:28:41,650 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 15:28:41,650 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 15:28:41,650 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 15:28:41,651 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 15:28:41,651 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 15:28:41,651 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 15:28:41,651 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 15:28:41,651 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 15:28:41,651 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 15:28:41,660 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-12-08 15:28:41,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-08 15:28:41,664 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:28:41,664 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:28:41,666 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:28:41,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:28:41,669 INFO L82 PathProgramCache]: Analyzing trace with hash 122785517, now seen corresponding path program 1 times [2018-12-08 15:28:41,671 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 15:28:41,671 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c33a356-58b8-42ca-9ade-438061863c49/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 [2018-12-08 15:28:41,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:28:47,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 15:38:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 15:38:36,524 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 15:38:36,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 03:38:36 BoogieIcfgContainer [2018-12-08 15:38:36,548 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 15:38:36,548 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 15:38:36,548 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 15:38:36,549 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 15:38:36,549 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:28:41" (3/4) ... [2018-12-08 15:38:36,550 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 15:38:36,578 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7c33a356-58b8-42ca-9ade-438061863c49/bin-2019/utaipan/witness.graphml [2018-12-08 15:38:36,579 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 15:38:36,579 INFO L168 Benchmark]: Toolchain (without parser) took 601840.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -112.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2018-12-08 15:38:36,580 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-12-08 15:38:36,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 129.51 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 15:38:36,580 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.65 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 15:38:36,581 INFO L168 Benchmark]: Boogie Preprocessor took 15.18 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 15:38:36,581 INFO L168 Benchmark]: RCFGBuilder took 6712.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -175.5 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-08 15:38:36,581 INFO L168 Benchmark]: TraceAbstraction took 594937.20 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: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. [2018-12-08 15:38:36,581 INFO L168 Benchmark]: Witness Printer took 30.27 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-08 15:38:36,583 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 129.51 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 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 13.65 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.18 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 6712.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -175.5 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 594937.20 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: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. * Witness Printer took 30.27 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: 6.8 MB). Peak memory consumption was 6.8 MB. 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)=-1.1488125324249268] [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)=-1.1488125324249268, \result=-0.9133167266845703, x=-1.1488125324249268] [L19] RET, EXPR f(IN) VAL [f(IN)=-0.9133167266845703, IN=-1.1488125324249268] [L19] CALL, EXPR fp(IN) VAL [\old(x)=-1.1488125324249268] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-1.1488125324249268, \result=0.4158823490142822, x=-1.1488125324249268] [L19] RET, EXPR fp(IN) VAL [f(IN)=-0.9133167266845703, fp(IN)=0.4158823490142822, IN=-1.1488125324249268] [L19] float x = IN - f(IN)/fp(IN); [L21] CALL, EXPR f(x) VAL [\old(x)=1.0472815036773682] [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)=1.0472815036773682, \result=0.8666115999221802, x=1.0472815036773682] [L21] RET, EXPR f(x) VAL [f(x)=0.8666115999221802, IN=-1.1488125324249268, x=1.0472815036773682] [L21] CALL, EXPR fp(x) VAL [\old(x)=1.0472815036773682] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=1.0472815036773682, \result=0.5035569071769714, x=1.0472815036773682] [L21] RET, EXPR fp(x) VAL [f(x)=0.8666115999221802, fp(x)=0.5035569071769714, IN=-1.1488125324249268, x=1.0472815036773682] [L21] x = x - f(x)/fp(x) [L23] CALL, EXPR f(x) VAL [\old(x)=-0.673698902130127] [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)=-0.673698902130127, \result=-0.6239059567451477, x=-0.673698902130127] [L23] RET, EXPR f(x) VAL [f(x)=-0.6239059567451477, IN=-1.1488125324249268, x=-0.673698902130127] [L23] CALL, EXPR fp(x) VAL [\old(x)=-0.673698902130127] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-0.673698902130127, \result=0.7817780375480652, x=-0.673698902130127] [L23] RET, EXPR fp(x) VAL [f(x)=-0.6239059567451477, fp(x)=0.7817780375480652, IN=-1.1488125324249268, x=-0.673698902130127] [L23] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) VAL [IN=-1.1488125324249268, x=0.12436133623123169] [L28] __VERIFIER_error() VAL [IN=-1.1488125324249268, x=0.12436133623123169] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 28 locations, 1 error locations. UNSAFE Result, 594.9s OverallTime, 1 OverallIterations, 3 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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, 5.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 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...