./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_58730ffe-4133-41e8-8075-8e8ef5d84aa6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_58730ffe-4133-41e8-8075-8e8ef5d84aa6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_58730ffe-4133-41e8-8075-8e8ef5d84aa6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_58730ffe-4133-41e8-8075-8e8ef5d84aa6/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_58730ffe-4133-41e8-8075-8e8ef5d84aa6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_58730ffe-4133-41e8-8075-8e8ef5d84aa6/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_58730ffe-4133-41e8-8075-8e8ef5d84aa6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_58730ffe-4133-41e8-8075-8e8ef5d84aa6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_58730ffe-4133-41e8-8075-8e8ef5d84aa6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_58730ffe-4133-41e8-8075-8e8ef5d84aa6/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_58730ffe-4133-41e8-8075-8e8ef5d84aa6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_58730ffe-4133-41e8-8075-8e8ef5d84aa6/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 0.1.23-635dfa2 [2018-12-09 01:19:27,828 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:19:27,829 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:19:27,837 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:19:27,837 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:19:27,837 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:19:27,838 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:19:27,839 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:19:27,840 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:19:27,841 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:19:27,842 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:19:27,842 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:19:27,842 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:19:27,843 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:19:27,844 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:19:27,845 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:19:27,845 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:19:27,846 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:19:27,848 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:19:27,849 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:19:27,849 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:19:27,850 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:19:27,852 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:19:27,852 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:19:27,852 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:19:27,853 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:19:27,854 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:19:27,854 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:19:27,855 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:19:27,856 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:19:27,856 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:19:27,856 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:19:27,856 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:19:27,857 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:19:27,857 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:19:27,858 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:19:27,858 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_58730ffe-4133-41e8-8075-8e8ef5d84aa6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 01:19:27,868 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:19:27,868 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:19:27,868 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 01:19:27,868 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 01:19:27,869 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 01:19:27,869 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 01:19:27,869 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 01:19:27,869 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:19:27,869 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:19:27,870 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 01:19:27,870 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:19:27,870 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:19:27,870 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 01:19:27,870 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 01:19:27,870 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 01:19:27,870 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:19:27,870 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:19:27,870 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 01:19:27,871 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 01:19:27,871 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:19:27,871 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 01:19:27,871 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 01:19:27,871 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 01:19:27,871 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:19:27,871 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:19:27,871 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 01:19:27,872 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 01:19:27,872 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 01:19:27,872 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 01:19:27,872 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 01:19:27,872 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_58730ffe-4133-41e8-8075-8e8ef5d84aa6/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 [2018-12-09 01:19:27,895 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:19:27,904 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:19:27,906 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:19:27,908 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:19:27,908 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:19:27,908 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_58730ffe-4133-41e8-8075-8e8ef5d84aa6/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i [2018-12-09 01:19:27,951 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58730ffe-4133-41e8-8075-8e8ef5d84aa6/bin-2019/uautomizer/data/365114bfd/f5e966d612d044b49c93ecc0b587b914/FLAGe464266f9 [2018-12-09 01:19:28,368 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:19:28,369 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_58730ffe-4133-41e8-8075-8e8ef5d84aa6/sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i [2018-12-09 01:19:28,372 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58730ffe-4133-41e8-8075-8e8ef5d84aa6/bin-2019/uautomizer/data/365114bfd/f5e966d612d044b49c93ecc0b587b914/FLAGe464266f9 [2018-12-09 01:19:28,379 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_58730ffe-4133-41e8-8075-8e8ef5d84aa6/bin-2019/uautomizer/data/365114bfd/f5e966d612d044b49c93ecc0b587b914 [2018-12-09 01:19:28,381 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:19:28,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:19:28,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:19:28,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:19:28,384 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:19:28,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:19:28" (1/1) ... [2018-12-09 01:19:28,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59185f77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:19:28, skipping insertion in model container [2018-12-09 01:19:28,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:19:28" (1/1) ... [2018-12-09 01:19:28,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:19:28,399 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:19:28,484 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:19:28,486 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:19:28,497 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:19:28,504 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:19:28,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:19:28 WrapperNode [2018-12-09 01:19:28,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:19:28,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:19:28,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:19:28,505 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:19:28,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:19:28" (1/1) ... [2018-12-09 01:19:28,513 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:19:28" (1/1) ... [2018-12-09 01:19:28,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:19:28,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:19:28,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:19:28,517 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:19:28,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:19:28" (1/1) ... [2018-12-09 01:19:28,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:19:28" (1/1) ... [2018-12-09 01:19:28,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:19:28" (1/1) ... [2018-12-09 01:19:28,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:19:28" (1/1) ... [2018-12-09 01:19:28,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:19:28" (1/1) ... [2018-12-09 01:19:28,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:19:28" (1/1) ... [2018-12-09 01:19:28,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:19:28" (1/1) ... [2018-12-09 01:19:28,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:19:28,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:19:28,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:19:28,530 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:19:28,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:19:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58730ffe-4133-41e8-8075-8e8ef5d84aa6/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 [2018-12-09 01:19:28,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 01:19:28,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 01:19:28,594 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-09 01:19:28,594 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-09 01:19:28,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:19:28,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:19:28,594 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-12-09 01:19:28,595 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-12-09 01:19:28,595 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 01:19:28,595 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 01:19:28,674 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:19:28,674 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 01:19:28,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:19:28 BoogieIcfgContainer [2018-12-09 01:19:28,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:19:28,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 01:19:28,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 01:19:28,678 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 01:19:28,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:19:28" (1/3) ... [2018-12-09 01:19:28,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4903765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:19:28, skipping insertion in model container [2018-12-09 01:19:28,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:19:28" (2/3) ... [2018-12-09 01:19:28,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4903765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:19:28, skipping insertion in model container [2018-12-09 01:19:28,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:19:28" (3/3) ... [2018-12-09 01:19:28,681 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_3_8_false-unreach-call_true-termination.i [2018-12-09 01:19:28,687 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 01:19:28,692 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 01:19:28,702 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 01:19:28,723 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 01:19:28,724 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 01:19:28,724 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 01:19:28,724 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 01:19:28,724 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 01:19:28,724 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 01:19:28,724 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 01:19:28,724 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 01:19:28,724 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 01:19:28,737 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-12-09 01:19:28,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 01:19:28,741 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:19:28,742 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:19:28,743 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:19:28,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:19:28,746 INFO L82 PathProgramCache]: Analyzing trace with hash 122785517, now seen corresponding path program 1 times [2018-12-09 01:19:28,747 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:19:28,748 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:19:28,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:19:28,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:19:28,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:19:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:19:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:19:28,832 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 01:19:28,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:19:28 BoogieIcfgContainer [2018-12-09 01:19:28,852 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 01:19:28,853 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:19:28,853 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:19:28,853 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:19:28,853 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:19:28" (3/4) ... [2018-12-09 01:19:28,857 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 01:19:28,857 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:19:28,857 INFO L168 Benchmark]: Toolchain (without parser) took 475.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -116.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2018-12-09 01:19:28,859 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:19:28,859 INFO L168 Benchmark]: CACSL2BoogieTranslator took 122.65 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:19:28,860 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.07 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:19:28,860 INFO L168 Benchmark]: Boogie Preprocessor took 12.05 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 945.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 01:19:28,861 INFO L168 Benchmark]: RCFGBuilder took 145.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -153.7 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-09 01:19:28,862 INFO L168 Benchmark]: TraceAbstraction took 176.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:19:28,862 INFO L168 Benchmark]: Witness Printer took 4.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:19:28,865 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 122.65 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 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 12.07 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.05 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 945.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 145.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -153.7 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 176.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 28]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 17, overapproximation of someBinaryDOUBLEComparisonOperation at line 27, overapproximation of someBinaryArithmeticFLOAToperation at line 23. Possible FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=8] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=8, x=8] [L19] RET, EXPR f(IN) VAL [f(IN)=5, IN=8] [L19] CALL, EXPR fp(IN) VAL [\old(x)=8] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=8, x=8] [L19] RET, EXPR fp(IN) VAL [f(IN)=5, fp(IN)=2, IN=8] [L19] float x = IN - f(IN)/fp(IN); [L21] CALL, EXPR f(x) VAL [\old(x)=3] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=3, x=3] [L21] RET, EXPR f(x) VAL [f(x)=4, IN=8, x=3] [L21] CALL, EXPR fp(x) VAL [\old(x)=3] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=3, x=3] [L21] RET, EXPR fp(x) VAL [f(x)=4, fp(x)=0, IN=8, x=3] [L21] x = x - f(x)/fp(x) [L23] CALL, EXPR f(x) VAL [\old(x)=6] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=6, x=6] [L23] RET, EXPR f(x) VAL [f(x)=1, IN=8, x=6] [L23] CALL, EXPR fp(x) VAL [\old(x)=6] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=6, x=6] [L23] RET, EXPR fp(x) VAL [f(x)=1, fp(x)=7, IN=8, x=6] [L23] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) VAL [IN=8] [L28] __VERIFIER_error() VAL [IN=8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 28 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 3 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 01:19:30,194 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:19:30,195 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:19:30,201 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:19:30,201 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:19:30,201 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:19:30,202 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:19:30,203 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:19:30,203 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:19:30,204 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:19:30,204 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:19:30,204 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:19:30,205 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:19:30,205 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:19:30,206 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:19:30,206 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:19:30,207 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:19:30,207 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:19:30,208 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:19:30,209 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:19:30,210 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:19:30,210 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:19:30,211 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:19:30,211 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:19:30,212 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:19:30,212 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:19:30,212 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:19:30,213 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:19:30,213 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:19:30,214 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:19:30,214 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:19:30,214 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:19:30,214 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:19:30,214 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:19:30,215 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:19:30,215 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:19:30,215 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_58730ffe-4133-41e8-8075-8e8ef5d84aa6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-09 01:19:30,223 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:19:30,223 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:19:30,223 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 01:19:30,223 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 01:19:30,224 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 01:19:30,224 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 01:19:30,224 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 01:19:30,224 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:19:30,224 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:19:30,224 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:19:30,224 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:19:30,224 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 01:19:30,224 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 01:19:30,224 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 01:19:30,225 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 01:19:30,225 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 01:19:30,225 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:19:30,225 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:19:30,225 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 01:19:30,225 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 01:19:30,225 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:19:30,225 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 01:19:30,225 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 01:19:30,225 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 01:19:30,225 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:19:30,226 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:19:30,226 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 01:19:30,226 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 01:19:30,226 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-09 01:19:30,226 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 01:19:30,226 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 01:19:30,226 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 01:19:30,226 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_58730ffe-4133-41e8-8075-8e8ef5d84aa6/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 [2018-12-09 01:19:30,245 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:19:30,254 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:19:30,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:19:30,258 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:19:30,259 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:19:30,259 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_58730ffe-4133-41e8-8075-8e8ef5d84aa6/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i [2018-12-09 01:19:30,298 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58730ffe-4133-41e8-8075-8e8ef5d84aa6/bin-2019/uautomizer/data/3219e8bdb/8d2a8c626d13444282e419d317da4297/FLAGce3875866 [2018-12-09 01:19:30,732 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:19:30,733 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_58730ffe-4133-41e8-8075-8e8ef5d84aa6/sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i [2018-12-09 01:19:30,736 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58730ffe-4133-41e8-8075-8e8ef5d84aa6/bin-2019/uautomizer/data/3219e8bdb/8d2a8c626d13444282e419d317da4297/FLAGce3875866 [2018-12-09 01:19:30,747 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_58730ffe-4133-41e8-8075-8e8ef5d84aa6/bin-2019/uautomizer/data/3219e8bdb/8d2a8c626d13444282e419d317da4297 [2018-12-09 01:19:30,750 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:19:30,751 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:19:30,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:19:30,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:19:30,755 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:19:30,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:19:30" (1/1) ... [2018-12-09 01:19:30,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e29c583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:19:30, skipping insertion in model container [2018-12-09 01:19:30,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:19:30" (1/1) ... [2018-12-09 01:19:30,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:19:30,773 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:19:30,866 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:19:30,869 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:19:30,882 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:19:30,892 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:19:30,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:19:30 WrapperNode [2018-12-09 01:19:30,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:19:30,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:19:30,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:19:30,893 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:19:30,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:19:30" (1/1) ... [2018-12-09 01:19:30,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:19:30" (1/1) ... [2018-12-09 01:19:30,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:19:30,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:19:30,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:19:30,907 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:19:30,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:19:30" (1/1) ... [2018-12-09 01:19:30,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:19:30" (1/1) ... [2018-12-09 01:19:30,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:19:30" (1/1) ... [2018-12-09 01:19:30,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:19:30" (1/1) ... [2018-12-09 01:19:30,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:19:30" (1/1) ... [2018-12-09 01:19:30,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:19:30" (1/1) ... [2018-12-09 01:19:30,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:19:30" (1/1) ... [2018-12-09 01:19:30,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:19:30,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:19:30,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:19:30,922 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:19:30,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:19:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58730ffe-4133-41e8-8075-8e8ef5d84aa6/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 [2018-12-09 01:19:30,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 01:19:30,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 01:19:30,983 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-09 01:19:30,983 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-09 01:19:30,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:19:30,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:19:30,984 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-12-09 01:19:30,984 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-12-09 01:19:30,984 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 01:19:30,984 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 01:19:37,245 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:19:37,245 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 01:19:37,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:19:37 BoogieIcfgContainer [2018-12-09 01:19:37,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:19:37,246 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 01:19:37,246 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 01:19:37,249 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 01:19:37,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:19:30" (1/3) ... [2018-12-09 01:19:37,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f44407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:19:37, skipping insertion in model container [2018-12-09 01:19:37,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:19:30" (2/3) ... [2018-12-09 01:19:37,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f44407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:19:37, skipping insertion in model container [2018-12-09 01:19:37,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:19:37" (3/3) ... [2018-12-09 01:19:37,251 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_3_8_false-unreach-call_true-termination.i [2018-12-09 01:19:37,257 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 01:19:37,261 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 01:19:37,270 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 01:19:37,286 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 01:19:37,286 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 01:19:37,287 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 01:19:37,287 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 01:19:37,287 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 01:19:37,287 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 01:19:37,287 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 01:19:37,287 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 01:19:37,287 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 01:19:37,297 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-12-09 01:19:37,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 01:19:37,300 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:19:37,301 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:19:37,302 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:19:37,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:19:37,305 INFO L82 PathProgramCache]: Analyzing trace with hash 122785517, now seen corresponding path program 1 times [2018-12-09 01:19:37,308 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 01:19:37,308 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58730ffe-4133-41e8-8075-8e8ef5d84aa6/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 [2018-12-09 01:19:37,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:19:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:29:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:29:28,310 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 01:29:28,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:29:28 BoogieIcfgContainer [2018-12-09 01:29:28,336 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 01:29:28,336 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:29:28,336 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:29:28,337 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:29:28,337 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:19:37" (3/4) ... [2018-12-09 01:29:28,338 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 01:29:28,370 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_58730ffe-4133-41e8-8075-8e8ef5d84aa6/bin-2019/uautomizer/witness.graphml [2018-12-09 01:29:28,370 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:29:28,371 INFO L168 Benchmark]: Toolchain (without parser) took 597620.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -134.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2018-12-09 01:29:28,371 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:29:28,372 INFO L168 Benchmark]: CACSL2BoogieTranslator took 140.39 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-12-09 01:29:28,372 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.01 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 01:29:28,372 INFO L168 Benchmark]: Boogie Preprocessor took 15.47 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. [2018-12-09 01:29:28,372 INFO L168 Benchmark]: RCFGBuilder took 6323.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-09 01:29:28,373 INFO L168 Benchmark]: TraceAbstraction took 591089.75 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-12-09 01:29:28,373 INFO L168 Benchmark]: Witness Printer took 33.84 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:29:28,374 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 140.39 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 14.01 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 15.47 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 6323.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 591089.75 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 33.84 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: 6.7 MB). Peak memory consumption was 6.7 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, 591.0s 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...