./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_3_7_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_93bc9711-1f24-4403-b82f-fc8908a8f8d5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_93bc9711-1f24-4403-b82f-fc8908a8f8d5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_93bc9711-1f24-4403-b82f-fc8908a8f8d5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_93bc9711-1f24-4403-b82f-fc8908a8f8d5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_93bc9711-1f24-4403-b82f-fc8908a8f8d5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_93bc9711-1f24-4403-b82f-fc8908a8f8d5/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 1a235e961590504bf325ed48e961fbf72a0d83a1 ........................................................................................................................................................................................................................................................................................ 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_93bc9711-1f24-4403-b82f-fc8908a8f8d5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_93bc9711-1f24-4403-b82f-fc8908a8f8d5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_93bc9711-1f24-4403-b82f-fc8908a8f8d5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_93bc9711-1f24-4403-b82f-fc8908a8f8d5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_93bc9711-1f24-4403-b82f-fc8908a8f8d5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_93bc9711-1f24-4403-b82f-fc8908a8f8d5/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 1a235e961590504bf325ed48e961fbf72a0d83a1 ........................................................................................................................................................................................................................................................................... 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 [2018-12-03 00:27:44,307 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 00:27:44,308 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 00:27:44,315 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 00:27:44,315 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 00:27:44,316 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 00:27:44,316 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 00:27:44,317 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 00:27:44,318 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 00:27:44,319 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 00:27:44,320 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 00:27:44,320 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 00:27:44,320 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 00:27:44,321 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 00:27:44,322 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 00:27:44,322 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 00:27:44,323 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 00:27:44,324 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 00:27:44,325 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 00:27:44,326 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 00:27:44,327 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 00:27:44,328 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 00:27:44,329 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 00:27:44,329 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 00:27:44,329 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 00:27:44,330 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 00:27:44,331 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 00:27:44,331 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 00:27:44,332 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 00:27:44,333 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 00:27:44,333 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 00:27:44,333 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 00:27:44,333 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 00:27:44,333 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 00:27:44,334 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 00:27:44,334 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 00:27:44,334 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_93bc9711-1f24-4403-b82f-fc8908a8f8d5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 00:27:44,344 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 00:27:44,344 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 00:27:44,345 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 00:27:44,345 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 00:27:44,345 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 00:27:44,345 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 00:27:44,345 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 00:27:44,345 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 00:27:44,346 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 00:27:44,346 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 00:27:44,346 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 00:27:44,346 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 00:27:44,346 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 00:27:44,346 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 00:27:44,346 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 00:27:44,347 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 00:27:44,347 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 00:27:44,347 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 00:27:44,347 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 00:27:44,347 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 00:27:44,347 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 00:27:44,348 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 00:27:44,348 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 00:27:44,348 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 00:27:44,348 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 00:27:44,348 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 00:27:44,348 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 00:27:44,348 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 00:27:44,348 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 00:27:44,348 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 00:27:44,348 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 00:27:44,348 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 00:27:44,349 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 00:27:44,349 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 00:27:44,349 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 00:27:44,349 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 00:27:44,349 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_93bc9711-1f24-4403-b82f-fc8908a8f8d5/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 -> 1a235e961590504bf325ed48e961fbf72a0d83a1 [2018-12-03 00:27:44,372 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 00:27:44,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 00:27:44,383 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 00:27:44,384 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 00:27:44,385 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 00:27:44,385 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_93bc9711-1f24-4403-b82f-fc8908a8f8d5/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i [2018-12-03 00:27:44,427 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_93bc9711-1f24-4403-b82f-fc8908a8f8d5/bin-2019/utaipan/data/7a87323b6/16f26d1a534949cba991a67b6ba23ac9/FLAG1df5b68d1 [2018-12-03 00:27:44,800 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 00:27:44,801 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_93bc9711-1f24-4403-b82f-fc8908a8f8d5/sv-benchmarks/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i [2018-12-03 00:27:44,804 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_93bc9711-1f24-4403-b82f-fc8908a8f8d5/bin-2019/utaipan/data/7a87323b6/16f26d1a534949cba991a67b6ba23ac9/FLAG1df5b68d1 [2018-12-03 00:27:44,812 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_93bc9711-1f24-4403-b82f-fc8908a8f8d5/bin-2019/utaipan/data/7a87323b6/16f26d1a534949cba991a67b6ba23ac9 [2018-12-03 00:27:44,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 00:27:44,815 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 00:27:44,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 00:27:44,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 00:27:44,817 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 00:27:44,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:27:44" (1/1) ... [2018-12-03 00:27:44,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dd63051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:44, skipping insertion in model container [2018-12-03 00:27:44,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:27:44" (1/1) ... [2018-12-03 00:27:44,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 00:27:44,836 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 00:27:44,933 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 00:27:44,935 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 00:27:44,946 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 00:27:44,954 INFO L195 MainTranslator]: Completed translation [2018-12-03 00:27:44,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:44 WrapperNode [2018-12-03 00:27:44,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 00:27:44,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 00:27:44,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 00:27:44,955 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 00:27:44,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:44" (1/1) ... [2018-12-03 00:27:44,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:44" (1/1) ... [2018-12-03 00:27:44,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 00:27:44,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 00:27:44,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 00:27:44,967 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 00:27:44,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:44" (1/1) ... [2018-12-03 00:27:44,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:44" (1/1) ... [2018-12-03 00:27:44,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:44" (1/1) ... [2018-12-03 00:27:44,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:44" (1/1) ... [2018-12-03 00:27:44,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:44" (1/1) ... [2018-12-03 00:27:44,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:44" (1/1) ... [2018-12-03 00:27:44,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:44" (1/1) ... [2018-12-03 00:27:44,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 00:27:44,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 00:27:44,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 00:27:44,980 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 00:27:44,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93bc9711-1f24-4403-b82f-fc8908a8f8d5/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 [2018-12-03 00:27:45,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 00:27:45,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 00:27:45,041 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-03 00:27:45,041 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-03 00:27:45,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 00:27:45,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 00:27:45,041 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-12-03 00:27:45,042 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-12-03 00:27:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 00:27:45,042 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 00:27:45,125 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 00:27:45,125 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-03 00:27:45,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:27:45 BoogieIcfgContainer [2018-12-03 00:27:45,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 00:27:45,126 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 00:27:45,126 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 00:27:45,128 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 00:27:45,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 12:27:44" (1/3) ... [2018-12-03 00:27:45,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@339650be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:27:45, skipping insertion in model container [2018-12-03 00:27:45,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:44" (2/3) ... [2018-12-03 00:27:45,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@339650be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:27:45, skipping insertion in model container [2018-12-03 00:27:45,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:27:45" (3/3) ... [2018-12-03 00:27:45,130 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_3_7_false-unreach-call_true-termination.i [2018-12-03 00:27:45,136 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 00:27:45,141 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 00:27:45,151 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 00:27:45,170 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 00:27:45,170 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 00:27:45,170 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 00:27:45,170 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 00:27:45,170 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 00:27:45,170 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 00:27:45,170 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 00:27:45,170 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 00:27:45,181 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-12-03 00:27:45,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-03 00:27:45,185 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 00:27:45,185 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] [2018-12-03 00:27:45,186 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 00:27:45,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:27:45,190 INFO L82 PathProgramCache]: Analyzing trace with hash 122785517, now seen corresponding path program 1 times [2018-12-03 00:27:45,191 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 00:27:45,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:27:45,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:27:45,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:27:45,221 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 00:27:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 00:27:45,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 00:27:45,267 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-03 00:27:45,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 12:27:45 BoogieIcfgContainer [2018-12-03 00:27:45,283 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 00:27:45,283 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 00:27:45,283 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 00:27:45,283 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 00:27:45,284 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:27:45" (3/4) ... [2018-12-03 00:27:45,286 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-03 00:27:45,286 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 00:27:45,286 INFO L168 Benchmark]: Toolchain (without parser) took 472.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -115.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 00:27:45,287 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 00:27:45,288 INFO L168 Benchmark]: CACSL2BoogieTranslator took 139.49 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 938.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-03 00:27:45,288 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.15 ms. Allocated memory is still 1.0 GB. Free memory is still 938.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 00:27:45,288 INFO L168 Benchmark]: Boogie Preprocessor took 12.36 ms. Allocated memory is still 1.0 GB. Free memory was 938.9 MB in the beginning and 936.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-03 00:27:45,289 INFO L168 Benchmark]: RCFGBuilder took 145.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 936.3 MB in the beginning and 1.1 GB in the end (delta: -147.6 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-03 00:27:45,289 INFO L168 Benchmark]: TraceAbstraction took 156.89 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-12-03 00:27:45,290 INFO L168 Benchmark]: Witness Printer took 2.75 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. [2018-12-03 00:27:45,291 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 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 139.49 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 938.9 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 12.15 ms. Allocated memory is still 1.0 GB. Free memory is still 938.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.36 ms. Allocated memory is still 1.0 GB. Free memory was 938.9 MB in the beginning and 936.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 145.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 936.3 MB in the beginning and 1.1 GB in the end (delta: -147.6 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 156.89 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.75 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 [2018-12-03 00:27:46,664 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 00:27:46,665 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 00:27:46,671 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 00:27:46,671 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 00:27:46,671 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 00:27:46,672 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 00:27:46,673 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 00:27:46,675 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 00:27:46,675 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 00:27:46,676 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 00:27:46,676 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 00:27:46,677 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 00:27:46,677 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 00:27:46,678 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 00:27:46,678 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 00:27:46,679 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 00:27:46,680 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 00:27:46,681 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 00:27:46,682 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 00:27:46,683 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 00:27:46,683 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 00:27:46,684 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 00:27:46,684 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 00:27:46,684 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 00:27:46,685 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 00:27:46,685 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 00:27:46,686 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 00:27:46,686 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 00:27:46,687 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 00:27:46,687 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 00:27:46,688 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 00:27:46,688 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 00:27:46,688 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 00:27:46,689 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 00:27:46,689 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 00:27:46,689 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_93bc9711-1f24-4403-b82f-fc8908a8f8d5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-03 00:27:46,699 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 00:27:46,699 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 00:27:46,700 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 00:27:46,700 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 00:27:46,700 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 00:27:46,700 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 00:27:46,701 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 00:27:46,701 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 00:27:46,701 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 00:27:46,701 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 00:27:46,702 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 00:27:46,702 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 00:27:46,702 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 00:27:46,702 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 00:27:46,702 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 00:27:46,702 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 00:27:46,702 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 00:27:46,703 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-03 00:27:46,703 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-03 00:27:46,703 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 00:27:46,703 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 00:27:46,703 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 00:27:46,703 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 00:27:46,704 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 00:27:46,704 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 00:27:46,704 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 00:27:46,704 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 00:27:46,704 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 00:27:46,704 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 00:27:46,705 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 00:27:46,705 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 00:27:46,705 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-03 00:27:46,705 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 00:27:46,705 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-03 00:27:46,705 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-03 00:27:46,705 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_93bc9711-1f24-4403-b82f-fc8908a8f8d5/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 -> 1a235e961590504bf325ed48e961fbf72a0d83a1 [2018-12-03 00:27:46,730 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 00:27:46,739 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 00:27:46,742 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 00:27:46,743 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 00:27:46,743 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 00:27:46,744 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_93bc9711-1f24-4403-b82f-fc8908a8f8d5/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i [2018-12-03 00:27:46,783 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_93bc9711-1f24-4403-b82f-fc8908a8f8d5/bin-2019/utaipan/data/04f424f59/7406245945e9421a9c6175938ef32275/FLAG6161fa296 [2018-12-03 00:27:47,190 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 00:27:47,191 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_93bc9711-1f24-4403-b82f-fc8908a8f8d5/sv-benchmarks/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i [2018-12-03 00:27:47,194 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_93bc9711-1f24-4403-b82f-fc8908a8f8d5/bin-2019/utaipan/data/04f424f59/7406245945e9421a9c6175938ef32275/FLAG6161fa296 [2018-12-03 00:27:47,202 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_93bc9711-1f24-4403-b82f-fc8908a8f8d5/bin-2019/utaipan/data/04f424f59/7406245945e9421a9c6175938ef32275 [2018-12-03 00:27:47,203 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 00:27:47,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 00:27:47,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 00:27:47,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 00:27:47,207 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 00:27:47,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:27:47" (1/1) ... [2018-12-03 00:27:47,209 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 03.12 12:27:47, skipping insertion in model container [2018-12-03 00:27:47,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:27:47" (1/1) ... [2018-12-03 00:27:47,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 00:27:47,222 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 00:27:47,311 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 00:27:47,314 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 00:27:47,327 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 00:27:47,335 INFO L195 MainTranslator]: Completed translation [2018-12-03 00:27:47,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:47 WrapperNode [2018-12-03 00:27:47,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 00:27:47,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 00:27:47,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 00:27:47,336 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 00:27:47,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:47" (1/1) ... [2018-12-03 00:27:47,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:47" (1/1) ... [2018-12-03 00:27:47,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 00:27:47,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 00:27:47,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 00:27:47,350 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 00:27:47,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:47" (1/1) ... [2018-12-03 00:27:47,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:47" (1/1) ... [2018-12-03 00:27:47,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:47" (1/1) ... [2018-12-03 00:27:47,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:47" (1/1) ... [2018-12-03 00:27:47,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:47" (1/1) ... [2018-12-03 00:27:47,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:47" (1/1) ... [2018-12-03 00:27:47,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:47" (1/1) ... [2018-12-03 00:27:47,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 00:27:47,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 00:27:47,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 00:27:47,365 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 00:27:47,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93bc9711-1f24-4403-b82f-fc8908a8f8d5/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 [2018-12-03 00:27:47,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 00:27:47,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 00:27:47,427 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-03 00:27:47,427 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-03 00:27:47,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 00:27:47,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 00:27:47,428 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-12-03 00:27:47,428 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-12-03 00:27:47,428 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 00:27:47,428 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 00:27:52,973 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 00:27:52,974 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-03 00:27:52,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:27:52 BoogieIcfgContainer [2018-12-03 00:27:52,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 00:27:52,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 00:27:52,974 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 00:27:52,976 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 00:27:52,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 12:27:47" (1/3) ... [2018-12-03 00:27:52,977 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 03.12 12:27:52, skipping insertion in model container [2018-12-03 00:27:52,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:47" (2/3) ... [2018-12-03 00:27:52,977 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 03.12 12:27:52, skipping insertion in model container [2018-12-03 00:27:52,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:27:52" (3/3) ... [2018-12-03 00:27:52,978 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_3_7_false-unreach-call_true-termination.i [2018-12-03 00:27:52,983 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 00:27:52,988 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 00:27:52,997 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 00:27:53,014 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-03 00:27:53,014 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 00:27:53,014 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 00:27:53,014 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 00:27:53,015 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 00:27:53,015 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 00:27:53,015 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 00:27:53,015 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 00:27:53,015 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 00:27:53,024 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-12-03 00:27:53,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-03 00:27:53,028 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 00:27:53,028 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] [2018-12-03 00:27:53,030 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 00:27:53,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:27:53,033 INFO L82 PathProgramCache]: Analyzing trace with hash 122785517, now seen corresponding path program 1 times [2018-12-03 00:27:53,035 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 00:27:53,036 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93bc9711-1f24-4403-b82f-fc8908a8f8d5/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 [2018-12-03 00:27:53,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:28:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 00:28:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 00:28:20,175 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-03 00:28:20,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 12:28:20 BoogieIcfgContainer [2018-12-03 00:28:20,201 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 00:28:20,201 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 00:28:20,201 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 00:28:20,202 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 00:28:20,202 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:27:52" (3/4) ... [2018-12-03 00:28:20,203 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-03 00:28:20,235 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_93bc9711-1f24-4403-b82f-fc8908a8f8d5/bin-2019/utaipan/witness.graphml [2018-12-03 00:28:20,235 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 00:28:20,235 INFO L168 Benchmark]: Toolchain (without parser) took 33031.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -131.9 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-12-03 00:28:20,236 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 00:28:20,237 INFO L168 Benchmark]: CACSL2BoogieTranslator took 131.23 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-03 00:28:20,237 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.52 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 00:28:20,237 INFO L168 Benchmark]: Boogie Preprocessor took 14.92 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-03 00:28:20,237 INFO L168 Benchmark]: RCFGBuilder took 5608.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -180.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-03 00:28:20,238 INFO L168 Benchmark]: TraceAbstraction took 27226.81 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: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-12-03 00:28:20,238 INFO L168 Benchmark]: Witness Printer took 33.52 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. [2018-12-03 00:28:20,240 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 131.23 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.52 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.92 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5608.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -180.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27226.81 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: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Witness Printer took 33.52 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)=-1.3664436340332031] [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)=-1.3664436340332031, \result=-0.9826772809028625, x=-1.3664436340332031] [L19] RET, EXPR f(IN) VAL [f(IN)=-0.9826772809028625, IN=-1.3664436340332031] [L19] CALL, EXPR fp(IN) VAL [\old(x)=-1.3664436340332031] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-1.3664436340332031, \result=0.22072014212608337, x=-1.3664436340332031] [L19] RET, EXPR fp(IN) VAL [f(IN)=-0.9826772809028625, fp(IN)=0.22072014212608337, IN=-1.3664436340332031] [L19] float x = IN - f(IN)/fp(IN); [L21] CALL, EXPR f(x) VAL [\old(x)=3.085697650909424] [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)=3.085697650909424, \result=1.0486676692962646, x=3.085697650909424] [L21] RET, EXPR f(x) VAL [f(x)=1.0486676692962646, IN=-1.3664436340332031, x=3.085697650909424] [L21] CALL, EXPR fp(x) VAL [\old(x)=3.085697650909424] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=3.085697650909424, \result=1.215628981590271, x=3.085697650909424] [L21] RET, EXPR fp(x) VAL [f(x)=1.0486676692962646, fp(x)=1.215628981590271, IN=-1.3664436340332031, x=3.085697650909424] [L21] x = x - f(x)/fp(x) [L23] CALL, EXPR f(x) VAL [\old(x)=2.223043203353882] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=2.223043203353882, \result=0.8976989388465881, x=2.223043203353882] [L23] RET, EXPR f(x) VAL [f(x)=0.8976989388465881, IN=-1.3664436340332031, x=2.223043203353882] [L23] CALL, EXPR fp(x) VAL [\old(x)=2.223043203353882] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=2.223043203353882, \result=-0.28572168946266174, x=2.223043203353882] [L23] RET, EXPR fp(x) VAL [f(x)=0.8976989388465881, fp(x)=-0.28572168946266174, IN=-1.3664436340332031, x=2.223043203353882] [L23] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) VAL [IN=-1.3664436340332031, x=5.364908218383789] [L28] __VERIFIER_error() VAL [IN=-1.3664436340332031, x=5.364908218383789] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 28 locations, 1 error locations. UNSAFE Result, 27.1s 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, 9.9s 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...