./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_88e3377b-86e5-4af0-a024-32eac96d7c98/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_88e3377b-86e5-4af0-a024-32eac96d7c98/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_88e3377b-86e5-4af0-a024-32eac96d7c98/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_88e3377b-86e5-4af0-a024-32eac96d7c98/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_88e3377b-86e5-4af0-a024-32eac96d7c98/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_88e3377b-86e5-4af0-a024-32eac96d7c98/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 aa8c67e8913fc2cd1e62a9cfd95ae3f25cd4036f ........................................................................................................................................................................................................................................................................ 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_88e3377b-86e5-4af0-a024-32eac96d7c98/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_88e3377b-86e5-4af0-a024-32eac96d7c98/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_88e3377b-86e5-4af0-a024-32eac96d7c98/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_88e3377b-86e5-4af0-a024-32eac96d7c98/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_88e3377b-86e5-4af0-a024-32eac96d7c98/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_88e3377b-86e5-4af0-a024-32eac96d7c98/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 aa8c67e8913fc2cd1e62a9cfd95ae3f25cd4036f .......................................................................................................................................................................................................................................................... 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 0.1.23-1dbac8b [2018-11-10 05:51:58,003 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:51:58,004 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:51:58,012 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:51:58,013 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:51:58,013 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:51:58,014 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:51:58,016 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:51:58,017 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:51:58,017 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:51:58,018 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:51:58,018 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:51:58,019 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:51:58,020 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:51:58,021 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:51:58,021 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:51:58,022 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:51:58,023 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:51:58,024 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:51:58,026 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:51:58,026 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:51:58,027 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:51:58,029 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:51:58,029 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:51:58,029 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:51:58,030 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:51:58,031 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:51:58,031 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:51:58,032 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:51:58,033 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:51:58,033 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:51:58,034 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:51:58,034 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:51:58,034 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:51:58,035 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:51:58,035 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:51:58,035 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_88e3377b-86e5-4af0-a024-32eac96d7c98/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 05:51:58,046 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:51:58,046 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:51:58,047 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:51:58,047 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 05:51:58,047 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 05:51:58,047 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 05:51:58,048 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 05:51:58,048 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 05:51:58,048 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 05:51:58,048 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 05:51:58,048 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 05:51:58,049 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:51:58,049 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:51:58,049 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:51:58,049 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:51:58,049 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:51:58,049 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:51:58,050 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:51:58,050 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:51:58,050 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:51:58,050 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:51:58,050 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:51:58,050 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:51:58,050 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:51:58,051 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:51:58,051 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 05:51:58,051 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:51:58,051 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:51:58,051 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:51:58,051 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:51:58,051 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 05:51:58,051 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:51:58,052 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:51:58,052 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 05:51:58,052 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_88e3377b-86e5-4af0-a024-32eac96d7c98/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 -> aa8c67e8913fc2cd1e62a9cfd95ae3f25cd4036f [2018-11-10 05:51:58,074 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:51:58,084 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:51:58,086 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:51:58,088 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:51:58,088 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:51:58,088 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_88e3377b-86e5-4af0-a024-32eac96d7c98/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i [2018-11-10 05:51:58,128 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88e3377b-86e5-4af0-a024-32eac96d7c98/bin-2019/utaipan/data/222c4844b/03527c81cf1b4f7eb3abd985f7cf0df4/FLAG2963202c5 [2018-11-10 05:51:58,519 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:51:58,519 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_88e3377b-86e5-4af0-a024-32eac96d7c98/sv-benchmarks/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i [2018-11-10 05:51:58,523 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88e3377b-86e5-4af0-a024-32eac96d7c98/bin-2019/utaipan/data/222c4844b/03527c81cf1b4f7eb3abd985f7cf0df4/FLAG2963202c5 [2018-11-10 05:51:58,531 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_88e3377b-86e5-4af0-a024-32eac96d7c98/bin-2019/utaipan/data/222c4844b/03527c81cf1b4f7eb3abd985f7cf0df4 [2018-11-10 05:51:58,533 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:51:58,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:51:58,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:51:58,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:51:58,537 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:51:58,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:51:58" (1/1) ... [2018-11-10 05:51:58,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46673125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:51:58, skipping insertion in model container [2018-11-10 05:51:58,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:51:58" (1/1) ... [2018-11-10 05:51:58,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:51:58,556 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:51:58,658 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:51:58,660 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:51:58,673 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:51:58,681 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:51:58,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:51:58 WrapperNode [2018-11-10 05:51:58,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:51:58,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:51:58,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:51:58,682 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:51:58,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:51:58" (1/1) ... [2018-11-10 05:51:58,690 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:51:58" (1/1) ... [2018-11-10 05:51:58,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:51:58,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:51:58,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:51:58,694 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:51:58,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:51:58" (1/1) ... [2018-11-10 05:51:58,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:51:58" (1/1) ... [2018-11-10 05:51:58,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:51:58" (1/1) ... [2018-11-10 05:51:58,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:51:58" (1/1) ... [2018-11-10 05:51:58,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:51:58" (1/1) ... [2018-11-10 05:51:58,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:51:58" (1/1) ... [2018-11-10 05:51:58,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:51:58" (1/1) ... [2018-11-10 05:51:58,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:51:58,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:51:58,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:51:58,705 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:51:58,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:51:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_88e3377b-86e5-4af0-a024-32eac96d7c98/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 [2018-11-10 05:51:58,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 05:51:58,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 05:51:58,790 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-10 05:51:58,790 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-10 05:51:58,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:51:58,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:51:58,790 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 05:51:58,790 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 05:51:58,791 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-11-10 05:51:58,791 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-11-10 05:51:58,886 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:51:58,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:51:58 BoogieIcfgContainer [2018-11-10 05:51:58,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:51:58,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 05:51:58,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 05:51:58,890 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 05:51:58,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:51:58" (1/3) ... [2018-11-10 05:51:58,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba1c2f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:51:58, skipping insertion in model container [2018-11-10 05:51:58,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:51:58" (2/3) ... [2018-11-10 05:51:58,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba1c2f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:51:58, skipping insertion in model container [2018-11-10 05:51:58,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:51:58" (3/3) ... [2018-11-10 05:51:58,893 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_2_7_false-unreach-call_true-termination.i [2018-11-10 05:51:58,901 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 05:51:58,907 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 05:51:58,921 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 05:51:58,946 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 05:51:58,947 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 05:51:58,947 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 05:51:58,947 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 05:51:58,947 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 05:51:58,947 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 05:51:58,947 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 05:51:58,947 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 05:51:58,961 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-11-10 05:51:58,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 05:51:58,966 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:51:58,967 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:51:58,969 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:51:58,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:51:58,973 INFO L82 PathProgramCache]: Analyzing trace with hash 460512481, now seen corresponding path program 1 times [2018-11-10 05:51:58,975 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 05:51:59,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:51:59,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:51:59,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:51:59,015 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 05:51:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:51:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:51:59,065 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 05:51:59,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 05:51:59 BoogieIcfgContainer [2018-11-10 05:51:59,083 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 05:51:59,084 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:51:59,084 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:51:59,084 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:51:59,085 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:51:58" (3/4) ... [2018-11-10 05:51:59,088 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 05:51:59,088 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:51:59,089 INFO L168 Benchmark]: Toolchain (without parser) took 555.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -159.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:51:59,090 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:51:59,091 INFO L168 Benchmark]: CACSL2BoogieTranslator took 147.06 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-10 05:51:59,092 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.17 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:51:59,092 INFO L168 Benchmark]: Boogie Preprocessor took 11.01 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:51:59,092 INFO L168 Benchmark]: RCFGBuilder took 181.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -186.4 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:51:59,093 INFO L168 Benchmark]: TraceAbstraction took 195.96 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:51:59,093 INFO L168 Benchmark]: Witness Printer took 4.45 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. [2018-11-10 05:51:59,096 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 147.06 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 12.17 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.01 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 181.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -186.4 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 195.96 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.45 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: - 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] RET 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] EXPR f(IN) VAL [f(IN)=4, IN=5] [L19] CALL, EXPR fp(IN) VAL [\old(x)=5] [L11] RET 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] 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] RET 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] EXPR f(x) VAL [f(x)=3, IN=5, x=2] [L21] CALL, EXPR fp(x) VAL [\old(x)=2] [L11] RET 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] 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 0.1.23-1dbac8b [2018-11-10 05:52:00,544 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:52:00,545 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:52:00,554 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:52:00,555 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:52:00,555 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:52:00,556 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:52:00,558 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:52:00,559 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:52:00,560 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:52:00,560 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:52:00,560 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:52:00,561 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:52:00,562 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:52:00,563 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:52:00,563 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:52:00,564 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:52:00,565 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:52:00,566 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:52:00,568 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:52:00,569 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:52:00,569 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:52:00,571 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:52:00,571 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:52:00,571 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:52:00,572 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:52:00,573 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:52:00,573 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:52:00,574 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:52:00,575 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:52:00,575 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:52:00,575 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:52:00,575 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:52:00,576 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:52:00,576 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:52:00,577 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:52:00,577 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_88e3377b-86e5-4af0-a024-32eac96d7c98/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 05:52:00,588 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:52:00,588 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:52:00,589 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:52:00,589 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 05:52:00,589 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 05:52:00,589 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 05:52:00,590 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 05:52:00,590 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 05:52:00,590 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:52:00,590 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:52:00,591 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:52:00,591 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:52:00,591 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:52:00,591 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:52:00,591 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:52:00,591 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 05:52:00,591 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 05:52:00,591 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:52:00,592 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:52:00,592 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:52:00,592 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:52:00,592 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:52:00,592 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:52:00,592 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 05:52:00,593 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:52:00,593 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:52:00,593 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:52:00,593 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:52:00,593 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 05:52:00,593 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:52:00,593 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 05:52:00,593 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 05:52:00,594 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_88e3377b-86e5-4af0-a024-32eac96d7c98/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 -> aa8c67e8913fc2cd1e62a9cfd95ae3f25cd4036f [2018-11-10 05:52:00,627 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:52:00,636 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:52:00,639 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:52:00,640 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:52:00,641 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:52:00,641 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_88e3377b-86e5-4af0-a024-32eac96d7c98/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i [2018-11-10 05:52:00,694 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88e3377b-86e5-4af0-a024-32eac96d7c98/bin-2019/utaipan/data/ae7b9ed90/8e48021f9e3a4bb99c57b060cc528b83/FLAG05701201d [2018-11-10 05:52:01,020 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:52:01,021 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_88e3377b-86e5-4af0-a024-32eac96d7c98/sv-benchmarks/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i [2018-11-10 05:52:01,024 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88e3377b-86e5-4af0-a024-32eac96d7c98/bin-2019/utaipan/data/ae7b9ed90/8e48021f9e3a4bb99c57b060cc528b83/FLAG05701201d [2018-11-10 05:52:01,033 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_88e3377b-86e5-4af0-a024-32eac96d7c98/bin-2019/utaipan/data/ae7b9ed90/8e48021f9e3a4bb99c57b060cc528b83 [2018-11-10 05:52:01,035 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:52:01,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:52:01,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:52:01,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:52:01,039 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:52:01,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:52:01" (1/1) ... [2018-11-10 05:52:01,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@412f3dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:52:01, skipping insertion in model container [2018-11-10 05:52:01,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:52:01" (1/1) ... [2018-11-10 05:52:01,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:52:01,061 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:52:01,180 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:52:01,183 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:52:01,197 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:52:01,207 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:52:01,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:52:01 WrapperNode [2018-11-10 05:52:01,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:52:01,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:52:01,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:52:01,208 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:52:01,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:52:01" (1/1) ... [2018-11-10 05:52:01,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:52:01" (1/1) ... [2018-11-10 05:52:01,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:52:01,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:52:01,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:52:01,226 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:52:01,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:52:01" (1/1) ... [2018-11-10 05:52:01,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:52:01" (1/1) ... [2018-11-10 05:52:01,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:52:01" (1/1) ... [2018-11-10 05:52:01,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:52:01" (1/1) ... [2018-11-10 05:52:01,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:52:01" (1/1) ... [2018-11-10 05:52:01,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:52:01" (1/1) ... [2018-11-10 05:52:01,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:52:01" (1/1) ... [2018-11-10 05:52:01,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:52:01,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:52:01,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:52:01,244 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:52:01,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:52:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_88e3377b-86e5-4af0-a024-32eac96d7c98/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 [2018-11-10 05:52:01,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 05:52:01,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 05:52:01,283 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-10 05:52:01,284 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-10 05:52:01,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:52:01,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:52:01,284 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 05:52:01,284 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 05:52:01,284 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-11-10 05:52:01,284 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-11-10 05:52:07,006 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:52:07,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:52:07 BoogieIcfgContainer [2018-11-10 05:52:07,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:52:07,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 05:52:07,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 05:52:07,010 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 05:52:07,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:52:01" (1/3) ... [2018-11-10 05:52:07,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@401bae41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:52:07, skipping insertion in model container [2018-11-10 05:52:07,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:52:01" (2/3) ... [2018-11-10 05:52:07,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@401bae41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:52:07, skipping insertion in model container [2018-11-10 05:52:07,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:52:07" (3/3) ... [2018-11-10 05:52:07,013 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_2_7_false-unreach-call_true-termination.i [2018-11-10 05:52:07,020 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 05:52:07,026 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 05:52:07,037 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 05:52:07,058 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 05:52:07,059 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 05:52:07,059 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 05:52:07,060 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 05:52:07,060 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 05:52:07,060 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 05:52:07,060 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 05:52:07,060 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 05:52:07,061 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 05:52:07,078 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-11-10 05:52:07,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 05:52:07,083 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:52:07,084 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:52:07,085 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:52:07,089 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:52:07,089 INFO L82 PathProgramCache]: Analyzing trace with hash 460512481, now seen corresponding path program 1 times [2018-11-10 05:52:07,092 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 05:52:07,092 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_88e3377b-86e5-4af0-a024-32eac96d7c98/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 [2018-11-10 05:52:07,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:55:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:55:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:55:21,373 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 05:55:21,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 05:55:21 BoogieIcfgContainer [2018-11-10 05:55:21,400 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 05:55:21,400 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:55:21,401 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:55:21,401 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:55:21,401 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:52:07" (3/4) ... [2018-11-10 05:55:21,404 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 05:55:21,443 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_88e3377b-86e5-4af0-a024-32eac96d7c98/bin-2019/utaipan/witness.graphml [2018-11-10 05:55:21,444 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:55:21,444 INFO L168 Benchmark]: Toolchain (without parser) took 200408.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -125.9 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:55:21,445 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:55:21,446 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.87 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:55:21,446 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.07 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:55:21,446 INFO L168 Benchmark]: Boogie Preprocessor took 17.86 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:55:21,446 INFO L168 Benchmark]: RCFGBuilder took 5763.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -174.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-11-10 05:55:21,447 INFO L168 Benchmark]: TraceAbstraction took 194392.36 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: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:55:21,447 INFO L168 Benchmark]: Witness Printer took 43.25 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-10 05:55:21,450 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 170.87 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 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 17.07 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.86 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 5763.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -174.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 194392.36 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: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * Witness Printer took 43.25 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: 6.9 MB). Peak memory consumption was 6.9 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)=-1.2567400932312012] [L6] RET 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)=-1.2567400932312012, \result=-0.9530318975448608, x=-1.2567400932312012] [L19] EXPR f(IN) VAL [f(IN)=-0.9530318975448608, IN=-1.2567400932312012] [L19] CALL, EXPR fp(IN) VAL [\old(x)=-1.2567400932312012] [L11] RET return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-1.2567400932312012, \result=0.31971120834350586, x=-1.2567400932312012] [L19] EXPR fp(IN) VAL [f(IN)=-0.9530318975448608, fp(IN)=0.31971120834350586, IN=-1.2567400932312012] [L19] float x = IN - f(IN)/fp(IN); [L21] CALL, EXPR f(x) VAL [\old(x)=1.7241747379302979] [L6] RET 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)=1.7241747379302979, \result=1.0058742761611938, x=1.7241747379302979] [L21] EXPR f(x) VAL [f(x)=1.0058742761611938, IN=-1.2567400932312012, x=1.7241747379302979] [L21] CALL, EXPR fp(x) VAL [\old(x)=1.7241747379302979] [L11] RET return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=1.7241747379302979, \result=-0.08167530596256256, x=1.7241747379302979] [L21] EXPR fp(x) VAL [f(x)=1.0058742761611938, fp(x)=-0.08167530596256256, IN=-1.2567400932312012, x=1.7241747379302979] [L21] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) VAL [IN=-1.2567400932312012, x=14.03969955444336] [L28] __VERIFIER_error() VAL [IN=-1.2567400932312012, x=14.03969955444336] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 25 locations, 1 error locations. UNSAFE Result, 194.3s 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, 175.5s 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...