./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/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 aa8c67e8913fc2cd1e62a9cfd95ae3f25cd4036f .................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/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 aa8c67e8913fc2cd1e62a9cfd95ae3f25cd4036f ........................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 12:34:25,660 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 12:34:25,661 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 12:34:25,667 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 12:34:25,668 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 12:34:25,668 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 12:34:25,669 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 12:34:25,669 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 12:34:25,670 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 12:34:25,671 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 12:34:25,671 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 12:34:25,671 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 12:34:25,671 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 12:34:25,672 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 12:34:25,672 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 12:34:25,673 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 12:34:25,673 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 12:34:25,674 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 12:34:25,675 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 12:34:25,676 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 12:34:25,676 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 12:34:25,677 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 12:34:25,678 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 12:34:25,678 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 12:34:25,678 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 12:34:25,678 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 12:34:25,679 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 12:34:25,679 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 12:34:25,679 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 12:34:25,680 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 12:34:25,680 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 12:34:25,680 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 12:34:25,680 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 12:34:25,681 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 12:34:25,681 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 12:34:25,681 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 12:34:25,681 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 12:34:25,688 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 12:34:25,689 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 12:34:25,689 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 12:34:25,689 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 12:34:25,689 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 12:34:25,690 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 12:34:25,690 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 12:34:25,690 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 12:34:25,690 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 12:34:25,690 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 12:34:25,690 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 12:34:25,690 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 12:34:25,690 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 12:34:25,690 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 12:34:25,690 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 12:34:25,690 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 12:34:25,690 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 12:34:25,691 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 12:34:25,691 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 12:34:25,691 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 12:34:25,691 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 12:34:25,691 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 12:34:25,691 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 12:34:25,691 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 12:34:25,691 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 12:34:25,691 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 12:34:25,691 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 12:34:25,691 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 12:34:25,691 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 12:34:25,692 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 12:34:25,692 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_0d4824ae-a47f-428b-9f37-6c2922f91d54/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 -> aa8c67e8913fc2cd1e62a9cfd95ae3f25cd4036f [2018-12-01 12:34:25,708 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 12:34:25,715 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 12:34:25,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 12:34:25,718 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 12:34:25,718 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 12:34:25,719 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i [2018-12-01 12:34:25,753 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/bin-2019/uautomizer/data/6b2f1713e/55c22920a6b24fe9b8c977c6d0760369/FLAGc3649ff96 [2018-12-01 12:34:26,164 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 12:34:26,164 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/sv-benchmarks/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i [2018-12-01 12:34:26,167 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/bin-2019/uautomizer/data/6b2f1713e/55c22920a6b24fe9b8c977c6d0760369/FLAGc3649ff96 [2018-12-01 12:34:26,176 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/bin-2019/uautomizer/data/6b2f1713e/55c22920a6b24fe9b8c977c6d0760369 [2018-12-01 12:34:26,177 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 12:34:26,178 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 12:34:26,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 12:34:26,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 12:34:26,181 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 12:34:26,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 12:34:26" (1/1) ... [2018-12-01 12:34:26,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73973e64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:26, skipping insertion in model container [2018-12-01 12:34:26,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 12:34:26" (1/1) ... [2018-12-01 12:34:26,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 12:34:26,196 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 12:34:26,284 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 12:34:26,286 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 12:34:26,297 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 12:34:26,305 INFO L195 MainTranslator]: Completed translation [2018-12-01 12:34:26,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:26 WrapperNode [2018-12-01 12:34:26,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 12:34:26,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 12:34:26,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 12:34:26,306 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 12:34:26,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:26" (1/1) ... [2018-12-01 12:34:26,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:26" (1/1) ... [2018-12-01 12:34:26,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 12:34:26,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 12:34:26,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 12:34:26,317 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 12:34:26,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:26" (1/1) ... [2018-12-01 12:34:26,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:26" (1/1) ... [2018-12-01 12:34:26,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:26" (1/1) ... [2018-12-01 12:34:26,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:26" (1/1) ... [2018-12-01 12:34:26,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:26" (1/1) ... [2018-12-01 12:34:26,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:26" (1/1) ... [2018-12-01 12:34:26,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:26" (1/1) ... [2018-12-01 12:34:26,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 12:34:26,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 12:34:26,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 12:34:26,328 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 12:34:26,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/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 [2018-12-01 12:34:26,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 12:34:26,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 12:34:26,386 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-01 12:34:26,386 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-01 12:34:26,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 12:34:26,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 12:34:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-12-01 12:34:26,387 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-12-01 12:34:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 12:34:26,387 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 12:34:26,462 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 12:34:26,462 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-01 12:34:26,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 12:34:26 BoogieIcfgContainer [2018-12-01 12:34:26,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 12:34:26,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 12:34:26,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 12:34:26,465 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 12:34:26,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 12:34:26" (1/3) ... [2018-12-01 12:34:26,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74cffcfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 12:34:26, skipping insertion in model container [2018-12-01 12:34:26,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:26" (2/3) ... [2018-12-01 12:34:26,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74cffcfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 12:34:26, skipping insertion in model container [2018-12-01 12:34:26,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 12:34:26" (3/3) ... [2018-12-01 12:34:26,466 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_2_7_false-unreach-call_true-termination.i [2018-12-01 12:34:26,472 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 12:34:26,475 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 12:34:26,484 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 12:34:26,500 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 12:34:26,501 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 12:34:26,501 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 12:34:26,501 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 12:34:26,501 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 12:34:26,501 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 12:34:26,501 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 12:34:26,501 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 12:34:26,501 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 12:34:26,511 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-12-01 12:34:26,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 12:34:26,514 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 12:34:26,514 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 12:34:26,516 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 12:34:26,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 12:34:26,519 INFO L82 PathProgramCache]: Analyzing trace with hash 784971363, now seen corresponding path program 1 times [2018-12-01 12:34:26,520 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 12:34:26,520 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 12:34:26,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 12:34:26,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 12:34:26,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 12:34:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 12:34:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 12:34:26,587 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-01 12:34:26,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 12:34:26 BoogieIcfgContainer [2018-12-01 12:34:26,602 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 12:34:26,602 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 12:34:26,602 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 12:34:26,602 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 12:34:26,602 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 12:34:26" (3/4) ... [2018-12-01 12:34:26,605 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 12:34:26,605 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 12:34:26,605 INFO L168 Benchmark]: Toolchain (without parser) took 427.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -139.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 12:34:26,606 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 12:34:26,606 INFO L168 Benchmark]: CACSL2BoogieTranslator took 126.42 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-01 12:34:26,607 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.37 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 12:34:26,607 INFO L168 Benchmark]: Boogie Preprocessor took 10.57 ms. Allocated memory is still 1.0 GB. Free memory was 942.6 MB in the beginning and 939.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-01 12:34:26,608 INFO L168 Benchmark]: RCFGBuilder took 134.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -168.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-01 12:34:26,608 INFO L168 Benchmark]: TraceAbstraction took 138.93 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: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-12-01 12:34:26,608 INFO L168 Benchmark]: Witness Printer took 2.77 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. [2018-12-01 12:34:26,610 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 126.42 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 11.37 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.57 ms. Allocated memory is still 1.0 GB. Free memory was 942.6 MB in the beginning and 939.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 134.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -168.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 138.93 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: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * Witness Printer took 2.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 28]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 17, overapproximation of someBinaryDOUBLEComparisonOperation at line 27, overapproximation of someBinaryArithmeticFLOAToperation at line 21. Possible FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=5] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=5, x=5] [L19] RET, EXPR f(IN) VAL [f(IN)=4, IN=5] [L19] CALL, EXPR fp(IN) VAL [\old(x)=5] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=5, x=5] [L19] RET, EXPR fp(IN) VAL [f(IN)=4, fp(IN)=1, IN=5] [L19] float x = IN - f(IN)/fp(IN); [L21] CALL, EXPR f(x) VAL [\old(x)=2] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=2, x=2] [L21] RET, EXPR f(x) VAL [f(x)=3, IN=5, x=2] [L21] CALL, EXPR fp(x) VAL [\old(x)=2] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=2, x=2] [L21] RET, EXPR fp(x) VAL [f(x)=3, fp(x)=0, IN=5, x=2] [L21] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) VAL [IN=5] [L28] __VERIFIER_error() VAL [IN=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 25 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-01 12:34:27,880 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 12:34:27,880 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 12:34:27,887 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 12:34:27,887 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 12:34:27,887 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 12:34:27,888 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 12:34:27,889 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 12:34:27,889 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 12:34:27,890 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 12:34:27,890 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 12:34:27,890 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 12:34:27,891 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 12:34:27,891 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 12:34:27,892 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 12:34:27,892 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 12:34:27,893 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 12:34:27,894 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 12:34:27,895 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 12:34:27,895 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 12:34:27,896 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 12:34:27,896 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 12:34:27,898 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 12:34:27,898 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 12:34:27,898 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 12:34:27,898 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 12:34:27,899 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 12:34:27,899 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 12:34:27,900 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 12:34:27,900 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 12:34:27,900 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 12:34:27,901 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 12:34:27,901 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 12:34:27,901 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 12:34:27,901 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 12:34:27,902 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 12:34:27,902 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-01 12:34:27,909 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 12:34:27,909 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 12:34:27,910 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 12:34:27,910 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 12:34:27,910 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 12:34:27,910 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 12:34:27,911 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 12:34:27,911 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 12:34:27,911 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 12:34:27,911 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 12:34:27,911 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 12:34:27,911 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 12:34:27,911 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 12:34:27,911 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 12:34:27,911 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-01 12:34:27,911 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-01 12:34:27,911 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 12:34:27,912 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 12:34:27,912 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 12:34:27,912 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 12:34:27,912 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 12:34:27,912 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 12:34:27,912 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 12:34:27,912 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 12:34:27,912 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 12:34:27,912 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 12:34:27,912 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 12:34:27,913 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 12:34:27,913 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-01 12:34:27,913 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 12:34:27,913 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-01 12:34:27,913 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-01 12:34:27,913 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_0d4824ae-a47f-428b-9f37-6c2922f91d54/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 -> aa8c67e8913fc2cd1e62a9cfd95ae3f25cd4036f [2018-12-01 12:34:27,932 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 12:34:27,941 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 12:34:27,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 12:34:27,945 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 12:34:27,946 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 12:34:27,946 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i [2018-12-01 12:34:27,989 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/bin-2019/uautomizer/data/5687674a0/bb9e1c2ed6f248a981caa20ae22070aa/FLAG74167f85d [2018-12-01 12:34:28,295 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 12:34:28,295 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/sv-benchmarks/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i [2018-12-01 12:34:28,299 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/bin-2019/uautomizer/data/5687674a0/bb9e1c2ed6f248a981caa20ae22070aa/FLAG74167f85d [2018-12-01 12:34:28,307 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/bin-2019/uautomizer/data/5687674a0/bb9e1c2ed6f248a981caa20ae22070aa [2018-12-01 12:34:28,309 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 12:34:28,310 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 12:34:28,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 12:34:28,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 12:34:28,313 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 12:34:28,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 12:34:28" (1/1) ... [2018-12-01 12:34:28,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61af8d13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:28, skipping insertion in model container [2018-12-01 12:34:28,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 12:34:28" (1/1) ... [2018-12-01 12:34:28,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 12:34:28,329 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 12:34:28,419 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 12:34:28,422 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 12:34:28,433 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 12:34:28,442 INFO L195 MainTranslator]: Completed translation [2018-12-01 12:34:28,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:28 WrapperNode [2018-12-01 12:34:28,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 12:34:28,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 12:34:28,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 12:34:28,443 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 12:34:28,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:28" (1/1) ... [2018-12-01 12:34:28,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:28" (1/1) ... [2018-12-01 12:34:28,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 12:34:28,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 12:34:28,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 12:34:28,457 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 12:34:28,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:28" (1/1) ... [2018-12-01 12:34:28,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:28" (1/1) ... [2018-12-01 12:34:28,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:28" (1/1) ... [2018-12-01 12:34:28,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:28" (1/1) ... [2018-12-01 12:34:28,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:28" (1/1) ... [2018-12-01 12:34:28,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:28" (1/1) ... [2018-12-01 12:34:28,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:28" (1/1) ... [2018-12-01 12:34:28,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 12:34:28,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 12:34:28,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 12:34:28,475 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 12:34:28,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/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 [2018-12-01 12:34:28,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 12:34:28,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 12:34:28,540 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-01 12:34:28,540 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-01 12:34:28,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 12:34:28,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 12:34:28,540 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-12-01 12:34:28,540 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-12-01 12:34:28,540 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 12:34:28,540 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 12:34:34,227 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 12:34:34,227 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-01 12:34:34,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 12:34:34 BoogieIcfgContainer [2018-12-01 12:34:34,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 12:34:34,228 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 12:34:34,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 12:34:34,230 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 12:34:34,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 12:34:28" (1/3) ... [2018-12-01 12:34:34,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66cef637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 12:34:34, skipping insertion in model container [2018-12-01 12:34:34,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:28" (2/3) ... [2018-12-01 12:34:34,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66cef637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 12:34:34, skipping insertion in model container [2018-12-01 12:34:34,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 12:34:34" (3/3) ... [2018-12-01 12:34:34,231 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_2_7_false-unreach-call_true-termination.i [2018-12-01 12:34:34,237 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 12:34:34,241 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 12:34:34,249 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 12:34:34,265 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 12:34:34,266 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 12:34:34,266 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 12:34:34,266 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 12:34:34,266 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 12:34:34,266 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 12:34:34,266 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 12:34:34,266 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 12:34:34,267 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 12:34:34,276 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-12-01 12:34:34,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 12:34:34,280 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 12:34:34,281 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 12:34:34,282 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 12:34:34,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 12:34:34,285 INFO L82 PathProgramCache]: Analyzing trace with hash 784971363, now seen corresponding path program 1 times [2018-12-01 12:34:34,287 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-01 12:34:34,288 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/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 [2018-12-01 12:34:34,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 12:39:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 12:39:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 12:39:47,740 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-01 12:39:47,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 12:39:47 BoogieIcfgContainer [2018-12-01 12:39:47,769 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 12:39:47,770 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 12:39:47,770 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 12:39:47,770 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 12:39:47,770 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 12:34:34" (3/4) ... [2018-12-01 12:39:47,772 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-01 12:39:47,804 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0d4824ae-a47f-428b-9f37-6c2922f91d54/bin-2019/uautomizer/witness.graphml [2018-12-01 12:39:47,804 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 12:39:47,804 INFO L168 Benchmark]: Toolchain (without parser) took 319494.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -110.0 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2018-12-01 12:39:47,805 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. [2018-12-01 12:39:47,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 131.34 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 12:39:47,806 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.97 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 12:39:47,806 INFO L168 Benchmark]: Boogie Preprocessor took 18.10 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 12:39:47,806 INFO L168 Benchmark]: RCFGBuilder took 5752.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-01 12:39:47,807 INFO L168 Benchmark]: TraceAbstraction took 313541.66 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: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. [2018-12-01 12:39:47,807 INFO L168 Benchmark]: Witness Printer took 34.25 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. [2018-12-01 12:39:47,809 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 131.34 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.97 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.10 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5752.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 313541.66 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: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. * Witness Printer took 34.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 28]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=1.1912250518798828] [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)=1.1912250518798828, \result=0.9301610589027405, x=1.1912250518798828] [L19] RET, EXPR f(IN) VAL [f(IN)=0.9301610589027405, IN=1.1912250518798828] [L19] CALL, EXPR fp(IN) VAL [\old(x)=1.1912250518798828] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=1.1912250518798828, \result=0.378360390663147, x=1.1912250518798828] [L19] RET, EXPR fp(IN) VAL [f(IN)=0.9301610589027405, fp(IN)=0.378360390663147, IN=1.1912250518798828] [L19] float x = IN - f(IN)/fp(IN); [L21] CALL, EXPR f(x) VAL [\old(x)=-1.2671747207641602] [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)=-1.2671747207641602, \result=-0.9563190340995789, x=-1.2671747207641602] [L21] RET, EXPR f(x) VAL [f(x)=-0.9563190340995789, IN=1.1912250518798828, x=-1.2671747207641602] [L21] CALL, EXPR fp(x) VAL [\old(x)=-1.2671747207641602] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-1.2671747207641602, \result=0.31031665205955505, x=-1.2671747207641602] [L21] RET, EXPR fp(x) VAL [f(x)=-0.9563190340995789, fp(x)=0.31031665205955505, IN=1.1912250518798828, x=-1.2671747207641602] [L21] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) VAL [IN=1.1912250518798828, x=1.814577579498291] [L28] __VERIFIER_error() VAL [IN=1.1912250518798828, x=1.814577579498291] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 25 locations, 1 error locations. UNSAFE Result, 313.5s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 307.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...