./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_5_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_631028ec-ace3-4604-96d7-473f8946e5ba/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_631028ec-ace3-4604-96d7-473f8946e5ba/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_631028ec-ace3-4604-96d7-473f8946e5ba/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_631028ec-ace3-4604-96d7-473f8946e5ba/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_5_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_631028ec-ace3-4604-96d7-473f8946e5ba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_631028ec-ace3-4604-96d7-473f8946e5ba/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 e4382b57b29a0b5934fceb56c089bfd5b9abbe48 ........................................................................................................................................................................................................................................................ 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_631028ec-ace3-4604-96d7-473f8946e5ba/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_631028ec-ace3-4604-96d7-473f8946e5ba/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_631028ec-ace3-4604-96d7-473f8946e5ba/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_631028ec-ace3-4604-96d7-473f8946e5ba/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_5_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_631028ec-ace3-4604-96d7-473f8946e5ba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_631028ec-ace3-4604-96d7-473f8946e5ba/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 e4382b57b29a0b5934fceb56c089bfd5b9abbe48 .............................................................................................................................................................................................................................................. 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 [2018-10-26 21:57:19,226 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:57:19,227 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:57:19,238 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:57:19,238 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:57:19,239 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:57:19,241 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:57:19,243 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:57:19,244 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:57:19,245 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:57:19,246 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:57:19,246 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:57:19,247 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:57:19,247 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:57:19,248 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:57:19,249 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:57:19,251 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:57:19,252 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:57:19,254 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:57:19,256 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:57:19,257 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:57:19,258 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:57:19,260 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:57:19,260 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:57:19,260 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:57:19,261 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:57:19,263 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:57:19,263 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:57:19,264 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:57:19,265 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:57:19,265 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:57:19,265 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:57:19,266 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:57:19,266 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:57:19,267 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:57:19,268 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:57:19,268 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_631028ec-ace3-4604-96d7-473f8946e5ba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 21:57:19,281 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:57:19,281 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:57:19,282 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:57:19,282 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 21:57:19,282 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 21:57:19,283 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 21:57:19,283 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 21:57:19,283 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 21:57:19,283 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 21:57:19,284 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 21:57:19,284 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 21:57:19,284 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:57:19,285 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:57:19,285 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:57:19,285 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:57:19,285 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:57:19,285 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:57:19,285 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:57:19,285 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:57:19,286 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:57:19,286 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:57:19,286 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:57:19,286 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:57:19,286 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:57:19,286 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:57:19,287 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:57:19,287 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:57:19,287 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:57:19,287 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:57:19,287 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:57:19,287 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 21:57:19,287 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:57:19,288 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:57:19,288 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 21:57:19,288 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_631028ec-ace3-4604-96d7-473f8946e5ba/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 -> e4382b57b29a0b5934fceb56c089bfd5b9abbe48 [2018-10-26 21:57:19,317 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:57:19,332 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:57:19,335 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:57:19,336 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:57:19,336 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:57:19,337 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_631028ec-ace3-4604-96d7-473f8946e5ba/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_1_5_false-unreach-call_true-termination.i [2018-10-26 21:57:19,385 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_631028ec-ace3-4604-96d7-473f8946e5ba/bin-2019/utaipan/data/21ef189c0/428f15bda1df496fa77e49cae4cc3f09/FLAG53912dbf7 [2018-10-26 21:57:19,789 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:57:19,790 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_631028ec-ace3-4604-96d7-473f8946e5ba/sv-benchmarks/c/floats-cdfpl/newton_1_5_false-unreach-call_true-termination.i [2018-10-26 21:57:19,796 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_631028ec-ace3-4604-96d7-473f8946e5ba/bin-2019/utaipan/data/21ef189c0/428f15bda1df496fa77e49cae4cc3f09/FLAG53912dbf7 [2018-10-26 21:57:19,812 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_631028ec-ace3-4604-96d7-473f8946e5ba/bin-2019/utaipan/data/21ef189c0/428f15bda1df496fa77e49cae4cc3f09 [2018-10-26 21:57:19,816 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:57:19,817 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:57:19,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:57:19,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:57:19,823 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:57:19,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:57:19" (1/1) ... [2018-10-26 21:57:19,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@100306ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:57:19, skipping insertion in model container [2018-10-26 21:57:19,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:57:19" (1/1) ... [2018-10-26 21:57:19,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:57:19,859 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:57:20,024 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:57:20,029 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:57:20,050 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:57:20,063 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:57:20,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:57:20 WrapperNode [2018-10-26 21:57:20,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:57:20,065 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:57:20,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:57:20,065 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:57:20,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:57:20" (1/1) ... [2018-10-26 21:57:20,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:57:20" (1/1) ... [2018-10-26 21:57:20,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:57:20,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:57:20,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:57:20,087 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:57:20,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:57:20" (1/1) ... [2018-10-26 21:57:20,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:57:20" (1/1) ... [2018-10-26 21:57:20,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:57:20" (1/1) ... [2018-10-26 21:57:20,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:57:20" (1/1) ... [2018-10-26 21:57:20,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:57:20" (1/1) ... [2018-10-26 21:57:20,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:57:20" (1/1) ... [2018-10-26 21:57:20,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:57:20" (1/1) ... [2018-10-26 21:57:20,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:57:20,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:57:20,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:57:20,107 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:57:20,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:57:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_631028ec-ace3-4604-96d7-473f8946e5ba/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 [2018-10-26 21:57:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 21:57:20,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 21:57:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-10-26 21:57:20,279 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-10-26 21:57:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:57:20,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:57:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 21:57:20,280 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 21:57:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-10-26 21:57:20,280 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-10-26 21:57:20,475 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:57:20,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:57:20 BoogieIcfgContainer [2018-10-26 21:57:20,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:57:20,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 21:57:20,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 21:57:20,480 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 21:57:20,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:57:19" (1/3) ... [2018-10-26 21:57:20,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ea50ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:57:20, skipping insertion in model container [2018-10-26 21:57:20,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:57:20" (2/3) ... [2018-10-26 21:57:20,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ea50ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:57:20, skipping insertion in model container [2018-10-26 21:57:20,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:57:20" (3/3) ... [2018-10-26 21:57:20,483 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_5_false-unreach-call_true-termination.i [2018-10-26 21:57:20,493 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 21:57:20,500 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 21:57:20,517 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 21:57:20,558 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 21:57:20,570 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 21:57:20,570 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 21:57:20,570 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 21:57:20,570 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 21:57:20,570 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 21:57:20,571 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 21:57:20,571 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 21:57:20,597 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-10-26 21:57:20,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 21:57:20,615 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:57:20,616 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:57:20,618 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:57:20,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:57:20,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1511824848, now seen corresponding path program 1 times [2018-10-26 21:57:20,626 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:57:20,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:57:20,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:57:20,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:57:20,709 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:57:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:57:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:57:20,791 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 21:57:20,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 09:57:20 BoogieIcfgContainer [2018-10-26 21:57:20,815 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 21:57:20,815 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:57:20,815 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:57:20,816 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:57:20,816 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:57:20" (3/4) ... [2018-10-26 21:57:20,820 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 21:57:20,820 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:57:20,821 INFO L168 Benchmark]: Toolchain (without parser) took 1004.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 960.7 MB in the beginning and 1.2 GB in the end (delta: -199.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:57:20,823 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:57:20,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.68 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 949.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-10-26 21:57:20,825 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.80 ms. Allocated memory is still 1.0 GB. Free memory is still 949.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:57:20,825 INFO L168 Benchmark]: Boogie Preprocessor took 19.95 ms. Allocated memory is still 1.0 GB. Free memory was 949.9 MB in the beginning and 947.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:57:20,828 INFO L168 Benchmark]: RCFGBuilder took 368.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 947.2 MB in the beginning and 1.2 GB in the end (delta: -228.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-10-26 21:57:20,830 INFO L168 Benchmark]: TraceAbstraction took 338.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-10-26 21:57:20,831 INFO L168 Benchmark]: Witness Printer took 5.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:57:20,835 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 245.68 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 949.9 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 21.80 ms. Allocated memory is still 1.0 GB. Free memory is still 949.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.95 ms. Allocated memory is still 1.0 GB. Free memory was 949.9 MB in the beginning and 947.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 368.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 947.2 MB in the beginning and 1.2 GB in the end (delta: -228.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 338.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 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 19. Possible FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) 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] [L19] EXPR f(IN) VAL [f(IN)=1, IN=2] [L19] CALL, EXPR fp(IN) 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] [L19] EXPR fp(IN) VAL [f(IN)=1, fp(IN)=0, IN=2] [L19] float x = IN - f(IN)/fp(IN); [L27] COND TRUE !(x < 0.1) VAL [IN=2] [L28] __VERIFIER_error() VAL [IN=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 16 NumberOfCodeBlocks, 16 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 [2018-10-26 21:57:23,085 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:57:23,087 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:57:23,099 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:57:23,099 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:57:23,101 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:57:23,101 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:57:23,103 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:57:23,104 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:57:23,105 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:57:23,106 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:57:23,106 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:57:23,106 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:57:23,107 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:57:23,108 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:57:23,109 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:57:23,109 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:57:23,116 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:57:23,118 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:57:23,119 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:57:23,120 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:57:23,121 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:57:23,135 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:57:23,135 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:57:23,135 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:57:23,136 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:57:23,136 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:57:23,137 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:57:23,137 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:57:23,139 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:57:23,139 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:57:23,140 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:57:23,140 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:57:23,140 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:57:23,141 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:57:23,141 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:57:23,142 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_631028ec-ace3-4604-96d7-473f8946e5ba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 21:57:23,154 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:57:23,154 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:57:23,154 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:57:23,155 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 21:57:23,155 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 21:57:23,155 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 21:57:23,155 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 21:57:23,155 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 21:57:23,156 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:57:23,157 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:57:23,157 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:57:23,157 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:57:23,157 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:57:23,157 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:57:23,157 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:57:23,158 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 21:57:23,158 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 21:57:23,158 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:57:23,158 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:57:23,158 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:57:23,158 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:57:23,159 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:57:23,159 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:57:23,159 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:57:23,159 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:57:23,159 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:57:23,159 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:57:23,159 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:57:23,160 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 21:57:23,160 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:57:23,160 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 21:57:23,160 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 21:57:23,160 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_631028ec-ace3-4604-96d7-473f8946e5ba/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 -> e4382b57b29a0b5934fceb56c089bfd5b9abbe48 [2018-10-26 21:57:23,197 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:57:23,208 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:57:23,211 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:57:23,212 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:57:23,213 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:57:23,213 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_631028ec-ace3-4604-96d7-473f8946e5ba/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_1_5_false-unreach-call_true-termination.i [2018-10-26 21:57:23,266 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_631028ec-ace3-4604-96d7-473f8946e5ba/bin-2019/utaipan/data/3f10a74ca/1b7e1959e1124cd28751551977388ff8/FLAG2c9191ac4 [2018-10-26 21:57:23,681 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:57:23,681 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_631028ec-ace3-4604-96d7-473f8946e5ba/sv-benchmarks/c/floats-cdfpl/newton_1_5_false-unreach-call_true-termination.i [2018-10-26 21:57:23,688 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_631028ec-ace3-4604-96d7-473f8946e5ba/bin-2019/utaipan/data/3f10a74ca/1b7e1959e1124cd28751551977388ff8/FLAG2c9191ac4 [2018-10-26 21:57:23,704 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_631028ec-ace3-4604-96d7-473f8946e5ba/bin-2019/utaipan/data/3f10a74ca/1b7e1959e1124cd28751551977388ff8 [2018-10-26 21:57:23,709 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:57:23,710 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:57:23,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:57:23,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:57:23,714 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:57:23,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:57:23" (1/1) ... [2018-10-26 21:57:23,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@398f262c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:57:23, skipping insertion in model container [2018-10-26 21:57:23,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:57:23" (1/1) ... [2018-10-26 21:57:23,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:57:23,752 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:57:23,950 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:57:23,957 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:57:23,984 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:57:24,006 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:57:24,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:57:24 WrapperNode [2018-10-26 21:57:24,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:57:24,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:57:24,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:57:24,008 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:57:24,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:57:24" (1/1) ... [2018-10-26 21:57:24,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:57:24" (1/1) ... [2018-10-26 21:57:24,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:57:24,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:57:24,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:57:24,038 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:57:24,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:57:24" (1/1) ... [2018-10-26 21:57:24,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:57:24" (1/1) ... [2018-10-26 21:57:24,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:57:24" (1/1) ... [2018-10-26 21:57:24,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:57:24" (1/1) ... [2018-10-26 21:57:24,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:57:24" (1/1) ... [2018-10-26 21:57:24,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:57:24" (1/1) ... [2018-10-26 21:57:24,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:57:24" (1/1) ... [2018-10-26 21:57:24,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:57:24,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:57:24,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:57:24,080 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:57:24,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:57:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_631028ec-ace3-4604-96d7-473f8946e5ba/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 [2018-10-26 21:57:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 21:57:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 21:57:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-10-26 21:57:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-10-26 21:57:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:57:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:57:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 21:57:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 21:57:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-10-26 21:57:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-10-26 21:57:30,681 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:57:30,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:57:30 BoogieIcfgContainer [2018-10-26 21:57:30,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:57:30,684 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 21:57:30,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 21:57:30,687 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 21:57:30,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:57:23" (1/3) ... [2018-10-26 21:57:30,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77704174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:57:30, skipping insertion in model container [2018-10-26 21:57:30,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:57:24" (2/3) ... [2018-10-26 21:57:30,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77704174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:57:30, skipping insertion in model container [2018-10-26 21:57:30,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:57:30" (3/3) ... [2018-10-26 21:57:30,691 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_5_false-unreach-call_true-termination.i [2018-10-26 21:57:30,701 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 21:57:30,709 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 21:57:30,723 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 21:57:30,749 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 21:57:30,749 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 21:57:30,749 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 21:57:30,750 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 21:57:30,750 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 21:57:30,750 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 21:57:30,750 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 21:57:30,750 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 21:57:30,751 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 21:57:30,769 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-10-26 21:57:30,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 21:57:30,775 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:57:30,776 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:57:30,779 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:57:30,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:57:30,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1511824848, now seen corresponding path program 1 times [2018-10-26 21:57:30,790 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 21:57:30,791 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_631028ec-ace3-4604-96d7-473f8946e5ba/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 [2018-10-26 21:57:30,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:57:34,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:58:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:58:39,327 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 21:58:39,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 09:58:39 BoogieIcfgContainer [2018-10-26 21:58:39,360 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 21:58:39,361 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:58:39,361 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:58:39,361 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:58:39,362 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:57:30" (3/4) ... [2018-10-26 21:58:39,364 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 21:58:39,409 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_631028ec-ace3-4604-96d7-473f8946e5ba/bin-2019/utaipan/witness.graphml [2018-10-26 21:58:39,410 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:58:39,411 INFO L168 Benchmark]: Toolchain (without parser) took 75701.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -178.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:58:39,414 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. [2018-10-26 21:58:39,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.16 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:58:39,417 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.74 ms. Allocated memory is still 1.0 GB. Free memory was 941.2 MB in the beginning and 935.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:58:39,422 INFO L168 Benchmark]: Boogie Preprocessor took 40.96 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:58:39,422 INFO L168 Benchmark]: RCFGBuilder took 6604.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -213.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-10-26 21:58:39,423 INFO L168 Benchmark]: TraceAbstraction took 68676.53 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:58:39,423 INFO L168 Benchmark]: Witness Printer took 49.37 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. [2018-10-26 21:58:39,433 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 296.16 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.2 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 29.74 ms. Allocated memory is still 1.0 GB. Free memory was 941.2 MB in the beginning and 935.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.96 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 6604.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -213.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 68676.53 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Witness Printer took 49.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 28]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=-0.8753383755683899] [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)=-0.8753383755683899, \result=-0.7679158449172974, x=-0.8753383755683899] [L19] EXPR f(IN) VAL [f(IN)=-0.7679158449172974, IN=-0.8753383755683899] [L19] CALL, EXPR fp(IN) VAL [\old(x)=-0.8753383755683899] [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)=-0.8753383755683899, \result=0.6419782042503357, x=-0.8753383755683899] [L19] EXPR fp(IN) VAL [f(IN)=-0.7679158449172974, fp(IN)=0.6419782042503357, IN=-0.8753383755683899] [L19] float x = IN - f(IN)/fp(IN); [L27] COND TRUE !(x < 0.1) VAL [IN=-0.8753383755683899, x=0.3208327889442444] [L28] __VERIFIER_error() VAL [IN=-0.8753383755683899, x=0.3208327889442444] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. UNSAFE Result, 68.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 4.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 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...