./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2602ec85874add80e06b2692c2aa37caac725410 ................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2602ec85874add80e06b2692c2aa37caac725410 ........................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:16:31,111 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:16:31,113 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:16:31,121 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:16:31,121 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:16:31,122 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:16:31,123 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:16:31,124 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:16:31,125 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:16:31,125 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:16:31,126 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:16:31,126 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:16:31,127 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:16:31,128 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:16:31,128 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:16:31,129 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:16:31,129 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:16:31,131 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:16:31,132 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:16:31,133 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:16:31,134 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:16:31,135 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:16:31,136 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:16:31,137 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:16:31,137 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:16:31,137 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:16:31,138 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:16:31,139 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:16:31,139 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:16:31,140 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:16:31,140 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:16:31,141 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:16:31,141 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:16:31,141 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:16:31,142 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:16:31,142 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:16:31,143 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:16:31,152 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:16:31,152 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:16:31,153 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:16:31,153 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:16:31,154 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:16:31,154 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:16:31,154 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:16:31,154 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:16:31,154 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:16:31,155 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:16:31,155 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:16:31,155 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:16:31,155 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:16:31,155 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:16:31,155 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:16:31,155 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:16:31,156 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:16:31,156 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:16:31,156 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:16:31,156 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:16:31,156 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:16:31,156 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:16:31,156 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:16:31,157 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:16:31,157 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:16:31,157 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:16:31,157 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:16:31,157 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:16:31,157 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:16:31,157 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:16:31,158 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_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer 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 -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2602ec85874add80e06b2692c2aa37caac725410 [2018-11-28 13:16:31,183 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:16:31,190 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:16:31,193 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:16:31,194 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:16:31,194 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:16:31,195 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i [2018-11-28 13:16:31,228 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer/data/7a02bcc1b/c819994c8563430994393eca21d66f2a/FLAG4963387db [2018-11-28 13:16:31,541 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:16:31,541 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i [2018-11-28 13:16:31,546 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer/data/7a02bcc1b/c819994c8563430994393eca21d66f2a/FLAG4963387db [2018-11-28 13:16:31,557 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer/data/7a02bcc1b/c819994c8563430994393eca21d66f2a [2018-11-28 13:16:31,559 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:16:31,560 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:16:31,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:16:31,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:16:31,563 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:16:31,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:16:31" (1/1) ... [2018-11-28 13:16:31,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13220c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:16:31, skipping insertion in model container [2018-11-28 13:16:31,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:16:31" (1/1) ... [2018-11-28 13:16:31,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:16:31,584 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:16:31,678 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:16:31,680 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:16:31,691 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:16:31,699 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:16:31,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:16:31 WrapperNode [2018-11-28 13:16:31,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:16:31,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:16:31,700 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:16:31,700 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:16:31,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:16:31" (1/1) ... [2018-11-28 13:16:31,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:16:31" (1/1) ... [2018-11-28 13:16:31,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:16:31,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:16:31,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:16:31,713 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:16:31,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:16:31" (1/1) ... [2018-11-28 13:16:31,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:16:31" (1/1) ... [2018-11-28 13:16:31,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:16:31" (1/1) ... [2018-11-28 13:16:31,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:16:31" (1/1) ... [2018-11-28 13:16:31,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:16:31" (1/1) ... [2018-11-28 13:16:31,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:16:31" (1/1) ... [2018-11-28 13:16:31,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:16:31" (1/1) ... [2018-11-28 13:16:31,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:16:31,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:16:31,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:16:31,759 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:16:31,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:16:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:16:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:16:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:16:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 13:16:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 13:16:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:16:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:16:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-11-28 13:16:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-11-28 13:16:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:16:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:16:31,875 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:16:31,875 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 13:16:31,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:16:31 BoogieIcfgContainer [2018-11-28 13:16:31,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:16:31,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:16:31,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:16:31,879 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:16:31,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:16:31" (1/3) ... [2018-11-28 13:16:31,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f44eccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:16:31, skipping insertion in model container [2018-11-28 13:16:31,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:16:31" (2/3) ... [2018-11-28 13:16:31,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f44eccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:16:31, skipping insertion in model container [2018-11-28 13:16:31,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:16:31" (3/3) ... [2018-11-28 13:16:31,881 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_3_8_false-unreach-call_true-termination.i [2018-11-28 13:16:31,889 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:16:31,894 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:16:31,903 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:16:31,920 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:16:31,920 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:16:31,920 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:16:31,920 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:16:31,920 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:16:31,921 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:16:31,921 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:16:31,921 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:16:31,921 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:16:31,931 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-11-28 13:16:31,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-28 13:16:31,935 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:16:31,935 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] [2018-11-28 13:16:31,936 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:16:31,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:16:31,941 INFO L82 PathProgramCache]: Analyzing trace with hash 122785517, now seen corresponding path program 1 times [2018-11-28 13:16:31,943 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:16:31,943 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:16:31,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:16:31,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:16:31,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:16:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:16:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:16:32,025 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 13:16:32,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:16:32 BoogieIcfgContainer [2018-11-28 13:16:32,041 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:16:32,041 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:16:32,041 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:16:32,041 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:16:32,042 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:16:31" (3/4) ... [2018-11-28 13:16:32,044 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 13:16:32,044 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:16:32,044 INFO L168 Benchmark]: Toolchain (without parser) took 485.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 959.8 MB in the beginning and 1.1 GB in the end (delta: -147.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:16:32,046 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:16:32,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 138.82 ms. Allocated memory is still 1.0 GB. Free memory was 959.8 MB in the beginning and 948.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:16:32,046 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.76 ms. Allocated memory is still 1.0 GB. Free memory is still 948.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:16:32,047 INFO L168 Benchmark]: Boogie Preprocessor took 46.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:16:32,047 INFO L168 Benchmark]: RCFGBuilder took 116.48 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: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2018-11-28 13:16:32,047 INFO L168 Benchmark]: TraceAbstraction took 164.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:16:32,048 INFO L168 Benchmark]: Witness Printer took 2.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:16:32,050 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 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 138.82 ms. Allocated memory is still 1.0 GB. Free memory was 959.8 MB in the beginning and 948.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 12.76 ms. Allocated memory is still 1.0 GB. Free memory is still 948.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 116.48 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: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 164.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 28]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 17, overapproximation of someBinaryDOUBLEComparisonOperation at line 27, overapproximation of someBinaryArithmeticFLOAToperation at line 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 0.1.23-0cd3be1 [2018-11-28 13:16:33,481 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:16:33,483 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:16:33,491 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:16:33,491 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:16:33,492 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:16:33,493 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:16:33,494 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:16:33,495 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:16:33,495 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:16:33,496 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:16:33,496 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:16:33,496 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:16:33,497 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:16:33,498 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:16:33,498 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:16:33,499 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:16:33,500 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:16:33,501 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:16:33,502 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:16:33,503 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:16:33,503 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:16:33,505 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:16:33,505 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:16:33,505 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:16:33,506 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:16:33,507 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:16:33,507 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:16:33,508 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:16:33,508 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:16:33,509 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:16:33,509 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:16:33,509 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:16:33,509 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:16:33,510 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:16:33,510 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:16:33,511 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 13:16:33,523 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:16:33,523 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:16:33,524 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:16:33,524 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:16:33,524 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:16:33,525 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:16:33,525 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:16:33,525 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:16:33,525 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:16:33,525 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:16:33,525 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:16:33,525 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:16:33,525 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:16:33,526 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:16:33,526 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 13:16:33,526 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 13:16:33,526 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:16:33,526 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:16:33,526 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:16:33,526 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:16:33,527 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:16:33,527 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:16:33,527 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:16:33,527 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:16:33,527 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:16:33,527 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:16:33,527 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:16:33,527 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:16:33,528 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 13:16:33,528 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:16:33,528 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 13:16:33,528 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 13:16:33,528 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_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer 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 -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2602ec85874add80e06b2692c2aa37caac725410 [2018-11-28 13:16:33,552 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:16:33,561 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:16:33,564 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:16:33,565 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:16:33,565 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:16:33,566 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i [2018-11-28 13:16:33,609 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer/data/8cd3512c4/7841edc879b3454584b71f4dd1fe0e4c/FLAG8ef3f9795 [2018-11-28 13:16:33,997 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:16:33,997 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i [2018-11-28 13:16:34,002 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer/data/8cd3512c4/7841edc879b3454584b71f4dd1fe0e4c/FLAG8ef3f9795 [2018-11-28 13:16:34,013 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer/data/8cd3512c4/7841edc879b3454584b71f4dd1fe0e4c [2018-11-28 13:16:34,016 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:16:34,017 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:16:34,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:16:34,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:16:34,020 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:16:34,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:16:34" (1/1) ... [2018-11-28 13:16:34,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b188df3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:16:34, skipping insertion in model container [2018-11-28 13:16:34,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:16:34" (1/1) ... [2018-11-28 13:16:34,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:16:34,041 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:16:34,154 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:16:34,158 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:16:34,172 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:16:34,182 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:16:34,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:16:34 WrapperNode [2018-11-28 13:16:34,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:16:34,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:16:34,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:16:34,183 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:16:34,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:16:34" (1/1) ... [2018-11-28 13:16:34,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:16:34" (1/1) ... [2018-11-28 13:16:34,198 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:16:34,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:16:34,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:16:34,198 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:16:34,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:16:34" (1/1) ... [2018-11-28 13:16:34,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:16:34" (1/1) ... [2018-11-28 13:16:34,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:16:34" (1/1) ... [2018-11-28 13:16:34,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:16:34" (1/1) ... [2018-11-28 13:16:34,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:16:34" (1/1) ... [2018-11-28 13:16:34,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:16:34" (1/1) ... [2018-11-28 13:16:34,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:16:34" (1/1) ... [2018-11-28 13:16:34,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:16:34,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:16:34,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:16:34,214 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:16:34,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:16:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:16:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:16:34,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:16:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 13:16:34,280 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 13:16:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:16:34,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:16:34,281 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-11-28 13:16:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-11-28 13:16:34,281 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:16:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:16:40,795 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:16:40,795 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 13:16:40,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:16:40 BoogieIcfgContainer [2018-11-28 13:16:40,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:16:40,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:16:40,796 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:16:40,799 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:16:40,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:16:34" (1/3) ... [2018-11-28 13:16:40,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134a4834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:16:40, skipping insertion in model container [2018-11-28 13:16:40,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:16:34" (2/3) ... [2018-11-28 13:16:40,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134a4834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:16:40, skipping insertion in model container [2018-11-28 13:16:40,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:16:40" (3/3) ... [2018-11-28 13:16:40,801 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_3_8_false-unreach-call_true-termination.i [2018-11-28 13:16:40,807 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:16:40,811 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:16:40,820 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:16:40,841 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:16:40,841 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:16:40,841 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:16:40,841 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:16:40,842 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:16:40,842 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:16:40,842 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:16:40,842 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:16:40,842 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:16:40,856 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-11-28 13:16:40,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-28 13:16:40,859 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:16:40,860 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] [2018-11-28 13:16:40,861 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:16:40,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:16:40,864 INFO L82 PathProgramCache]: Analyzing trace with hash 122785517, now seen corresponding path program 1 times [2018-11-28 13:16:40,867 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 13:16:40,867 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-28 13:16:40,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:16:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:26:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:26:48,189 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 13:26:48,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:26:48 BoogieIcfgContainer [2018-11-28 13:26:48,215 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:26:48,215 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:26:48,216 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:26:48,216 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:26:48,216 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:16:40" (3/4) ... [2018-11-28 13:26:48,218 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 13:26:48,252 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6928190e-c554-44aa-af2a-61002583edac/bin-2019/uautomizer/witness.graphml [2018-11-28 13:26:48,252 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:26:48,252 INFO L168 Benchmark]: Toolchain (without parser) took 614236.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -112.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-11-28 13:26:48,254 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-11-28 13:26:48,254 INFO L168 Benchmark]: CACSL2BoogieTranslator took 165.00 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. [2018-11-28 13:26:48,254 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.38 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. [2018-11-28 13:26:48,255 INFO L168 Benchmark]: Boogie Preprocessor took 14.92 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:26:48,255 INFO L168 Benchmark]: RCFGBuilder took 6582.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -169.4 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-28 13:26:48,255 INFO L168 Benchmark]: TraceAbstraction took 607418.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:26:48,256 INFO L168 Benchmark]: Witness Printer took 36.39 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. [2018-11-28 13:26:48,259 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 165.00 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 15.38 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. * Boogie Preprocessor took 14.92 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 6582.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -169.4 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 607418.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. * Witness Printer took 36.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 28]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=-1.1488125324249268] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=-1.1488125324249268, \result=-0.9133167266845703, x=-1.1488125324249268] [L19] RET, EXPR f(IN) VAL [f(IN)=-0.9133167266845703, IN=-1.1488125324249268] [L19] CALL, EXPR fp(IN) VAL [\old(x)=-1.1488125324249268] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-1.1488125324249268, \result=0.4158823490142822, x=-1.1488125324249268] [L19] RET, EXPR fp(IN) VAL [f(IN)=-0.9133167266845703, fp(IN)=0.4158823490142822, IN=-1.1488125324249268] [L19] float x = IN - f(IN)/fp(IN); [L21] CALL, EXPR f(x) VAL [\old(x)=1.0472815036773682] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=1.0472815036773682, \result=0.8666115999221802, x=1.0472815036773682] [L21] RET, EXPR f(x) VAL [f(x)=0.8666115999221802, IN=-1.1488125324249268, x=1.0472815036773682] [L21] CALL, EXPR fp(x) VAL [\old(x)=1.0472815036773682] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=1.0472815036773682, \result=0.5035569071769714, x=1.0472815036773682] [L21] RET, EXPR fp(x) VAL [f(x)=0.8666115999221802, fp(x)=0.5035569071769714, IN=-1.1488125324249268, x=1.0472815036773682] [L21] x = x - f(x)/fp(x) [L23] CALL, EXPR f(x) VAL [\old(x)=-0.673698902130127] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=-0.673698902130127, \result=-0.6239059567451477, x=-0.673698902130127] [L23] RET, EXPR f(x) VAL [f(x)=-0.6239059567451477, IN=-1.1488125324249268, x=-0.673698902130127] [L23] CALL, EXPR fp(x) VAL [\old(x)=-0.673698902130127] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-0.673698902130127, \result=0.7817780375480652, x=-0.673698902130127] [L23] RET, EXPR fp(x) VAL [f(x)=-0.6239059567451477, fp(x)=0.7817780375480652, IN=-1.1488125324249268, x=-0.673698902130127] [L23] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) VAL [IN=-1.1488125324249268, x=0.12436133623123169] [L28] __VERIFIER_error() VAL [IN=-1.1488125324249268, x=0.12436133623123169] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 28 locations, 1 error locations. UNSAFE Result, 607.3s OverallTime, 1 OverallIterations, 3 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 5.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...