./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 1a235e961590504bf325ed48e961fbf72a0d83a1 ...................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 1a235e961590504bf325ed48e961fbf72a0d83a1 ......................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 17:36:04,769 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 17:36:04,771 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 17:36:04,790 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 17:36:04,791 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 17:36:04,793 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 17:36:04,795 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 17:36:04,798 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 17:36:04,800 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 17:36:04,803 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 17:36:04,805 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 17:36:04,806 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 17:36:04,808 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 17:36:04,810 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 17:36:04,818 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 17:36:04,821 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 17:36:04,822 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 17:36:04,824 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 17:36:04,829 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 17:36:04,833 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 17:36:04,834 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 17:36:04,835 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 17:36:04,840 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 17:36:04,840 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 17:36:04,841 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 17:36:04,841 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 17:36:04,843 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 17:36:04,844 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 17:36:04,845 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 17:36:04,846 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 17:36:04,846 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 17:36:04,847 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 17:36:04,847 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 17:36:04,847 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 17:36:04,849 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 17:36:04,849 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 17:36:04,850 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 17:36:04,869 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 17:36:04,869 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 17:36:04,870 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 17:36:04,870 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 17:36:04,872 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 17:36:04,872 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 17:36:04,872 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 17:36:04,872 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 17:36:04,872 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 17:36:04,873 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 17:36:04,873 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 17:36:04,873 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 17:36:04,873 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 17:36:04,873 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 17:36:04,873 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 17:36:04,874 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 17:36:04,874 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 17:36:04,874 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 17:36:04,874 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 17:36:04,874 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 17:36:04,874 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 17:36:04,875 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 17:36:04,875 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 17:36:04,875 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:36:04,875 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 17:36:04,875 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 17:36:04,878 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 17:36:04,878 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 17:36:04,879 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 17:36:04,879 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 17:36:04,879 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 1a235e961590504bf325ed48e961fbf72a0d83a1 [2018-11-28 17:36:04,937 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 17:36:04,958 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 17:36:04,963 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 17:36:04,964 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 17:36:04,965 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 17:36:04,966 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i [2018-11-28 17:36:05,033 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f98424ab2/dfaa62090328441e91745a4cd6ce2929/FLAGf72a3c2d4 [2018-11-28 17:36:05,463 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 17:36:05,463 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i [2018-11-28 17:36:05,470 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f98424ab2/dfaa62090328441e91745a4cd6ce2929/FLAGf72a3c2d4 [2018-11-28 17:36:05,841 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f98424ab2/dfaa62090328441e91745a4cd6ce2929 [2018-11-28 17:36:05,845 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 17:36:05,847 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 17:36:05,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 17:36:05,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 17:36:05,853 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 17:36:05,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:36:05" (1/1) ... [2018-11-28 17:36:05,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67394605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:36:05, skipping insertion in model container [2018-11-28 17:36:05,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:36:05" (1/1) ... [2018-11-28 17:36:05,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 17:36:05,889 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 17:36:06,129 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:36:06,135 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 17:36:06,161 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:36:06,182 INFO L195 MainTranslator]: Completed translation [2018-11-28 17:36:06,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:36:06 WrapperNode [2018-11-28 17:36:06,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 17:36:06,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 17:36:06,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 17:36:06,185 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 17:36:06,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:36:06" (1/1) ... [2018-11-28 17:36:06,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:36:06" (1/1) ... [2018-11-28 17:36:06,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 17:36:06,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 17:36:06,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 17:36:06,218 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 17:36:06,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:36:06" (1/1) ... [2018-11-28 17:36:06,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:36:06" (1/1) ... [2018-11-28 17:36:06,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:36:06" (1/1) ... [2018-11-28 17:36:06,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:36:06" (1/1) ... [2018-11-28 17:36:06,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:36:06" (1/1) ... [2018-11-28 17:36:06,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:36:06" (1/1) ... [2018-11-28 17:36:06,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:36:06" (1/1) ... [2018-11-28 17:36:06,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 17:36:06,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 17:36:06,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 17:36:06,256 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 17:36:06,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:36:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:36:06,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 17:36:06,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 17:36:06,409 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 17:36:06,410 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 17:36:06,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 17:36:06,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 17:36:06,410 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-11-28 17:36:06,412 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-11-28 17:36:06,412 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 17:36:06,412 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 17:36:06,852 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 17:36:06,852 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 17:36:06,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:36:06 BoogieIcfgContainer [2018-11-28 17:36:06,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 17:36:06,858 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 17:36:06,858 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 17:36:06,870 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 17:36:06,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:36:05" (1/3) ... [2018-11-28 17:36:06,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695aa842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:36:06, skipping insertion in model container [2018-11-28 17:36:06,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:36:06" (2/3) ... [2018-11-28 17:36:06,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695aa842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:36:06, skipping insertion in model container [2018-11-28 17:36:06,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:36:06" (3/3) ... [2018-11-28 17:36:06,876 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_3_7_false-unreach-call_true-termination.i [2018-11-28 17:36:06,887 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 17:36:06,898 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 17:36:06,919 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 17:36:06,966 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 17:36:06,967 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 17:36:06,967 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 17:36:06,967 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 17:36:06,968 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 17:36:06,968 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 17:36:06,969 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 17:36:06,969 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 17:36:06,969 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 17:36:06,989 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-11-28 17:36:06,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-28 17:36:06,997 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:36:06,998 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:36:07,003 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:36:07,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:36:07,012 INFO L82 PathProgramCache]: Analyzing trace with hash 122785517, now seen corresponding path program 1 times [2018-11-28 17:36:07,014 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:36:07,015 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:36:07,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:36:07,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:36:07,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:36:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 17:36:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 17:36:07,184 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 17:36:07,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:36:07 BoogieIcfgContainer [2018-11-28 17:36:07,221 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 17:36:07,221 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 17:36:07,221 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 17:36:07,221 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 17:36:07,223 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:36:06" (3/4) ... [2018-11-28 17:36:07,227 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 17:36:07,227 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 17:36:07,228 INFO L168 Benchmark]: Toolchain (without parser) took 1382.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -92.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:36:07,231 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:36:07,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.18 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 17:36:07,233 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.26 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:36:07,235 INFO L168 Benchmark]: Boogie Preprocessor took 38.17 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 17:36:07,235 INFO L168 Benchmark]: RCFGBuilder took 596.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -123.0 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2018-11-28 17:36:07,236 INFO L168 Benchmark]: TraceAbstraction took 362.96 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-28 17:36:07,238 INFO L168 Benchmark]: Witness Printer took 6.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-28 17:36:07,244 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 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 335.18 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 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 33.26 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.17 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 596.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -123.0 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 362.96 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Witness Printer took 6.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. 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, 0.2s 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 0.1.24-91b1670 [2018-11-28 17:36:09,791 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 17:36:09,793 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 17:36:09,813 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 17:36:09,814 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 17:36:09,816 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 17:36:09,818 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 17:36:09,821 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 17:36:09,824 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 17:36:09,825 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 17:36:09,828 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 17:36:09,829 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 17:36:09,830 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 17:36:09,833 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 17:36:09,842 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 17:36:09,843 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 17:36:09,843 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 17:36:09,849 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 17:36:09,854 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 17:36:09,856 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 17:36:09,858 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 17:36:09,862 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 17:36:09,867 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 17:36:09,869 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 17:36:09,869 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 17:36:09,870 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 17:36:09,876 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 17:36:09,877 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 17:36:09,878 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 17:36:09,881 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 17:36:09,881 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 17:36:09,882 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 17:36:09,882 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 17:36:09,883 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 17:36:09,883 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 17:36:09,886 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 17:36:09,887 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 17:36:09,913 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 17:36:09,913 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 17:36:09,915 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 17:36:09,918 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 17:36:09,919 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 17:36:09,919 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 17:36:09,920 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 17:36:09,920 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 17:36:09,920 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 17:36:09,920 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 17:36:09,920 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 17:36:09,923 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 17:36:09,923 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 17:36:09,923 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 17:36:09,923 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 17:36:09,923 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 17:36:09,924 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 17:36:09,924 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 17:36:09,924 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 17:36:09,924 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 17:36:09,924 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 17:36:09,924 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 17:36:09,925 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 17:36:09,925 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 17:36:09,925 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:36:09,925 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 17:36:09,925 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 17:36:09,925 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 17:36:09,929 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 17:36:09,929 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 17:36:09,929 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 17:36:09,929 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 17:36:09,930 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 1a235e961590504bf325ed48e961fbf72a0d83a1 [2018-11-28 17:36:09,987 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 17:36:10,015 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 17:36:10,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 17:36:10,022 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 17:36:10,023 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 17:36:10,024 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i [2018-11-28 17:36:10,091 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bece19fc/7c3526e7c6964a2b812d8b18dbb909ce/FLAG5d3a1760e [2018-11-28 17:36:10,543 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 17:36:10,544 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i [2018-11-28 17:36:10,553 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bece19fc/7c3526e7c6964a2b812d8b18dbb909ce/FLAG5d3a1760e [2018-11-28 17:36:10,898 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bece19fc/7c3526e7c6964a2b812d8b18dbb909ce [2018-11-28 17:36:10,903 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 17:36:10,905 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 17:36:10,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 17:36:10,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 17:36:10,911 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 17:36:10,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:36:10" (1/1) ... [2018-11-28 17:36:10,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b34e1e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:36:10, skipping insertion in model container [2018-11-28 17:36:10,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:36:10" (1/1) ... [2018-11-28 17:36:10,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 17:36:10,946 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 17:36:11,168 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:36:11,176 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 17:36:11,206 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:36:11,235 INFO L195 MainTranslator]: Completed translation [2018-11-28 17:36:11,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:36:11 WrapperNode [2018-11-28 17:36:11,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 17:36:11,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 17:36:11,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 17:36:11,237 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 17:36:11,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:36:11" (1/1) ... [2018-11-28 17:36:11,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:36:11" (1/1) ... [2018-11-28 17:36:11,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 17:36:11,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 17:36:11,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 17:36:11,272 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 17:36:11,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:36:11" (1/1) ... [2018-11-28 17:36:11,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:36:11" (1/1) ... [2018-11-28 17:36:11,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:36:11" (1/1) ... [2018-11-28 17:36:11,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:36:11" (1/1) ... [2018-11-28 17:36:11,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:36:11" (1/1) ... [2018-11-28 17:36:11,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:36:11" (1/1) ... [2018-11-28 17:36:11,325 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:36:11" (1/1) ... [2018-11-28 17:36:11,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 17:36:11,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 17:36:11,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 17:36:11,334 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 17:36:11,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:36:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:36:11,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 17:36:11,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 17:36:11,509 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 17:36:11,509 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 17:36:11,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 17:36:11,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 17:36:11,509 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-11-28 17:36:11,510 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-11-28 17:36:11,510 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 17:36:11,510 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 17:36:18,345 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 17:36:18,346 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 17:36:18,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:36:18 BoogieIcfgContainer [2018-11-28 17:36:18,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 17:36:18,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 17:36:18,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 17:36:18,352 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 17:36:18,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:36:10" (1/3) ... [2018-11-28 17:36:18,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@667ad3ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:36:18, skipping insertion in model container [2018-11-28 17:36:18,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:36:11" (2/3) ... [2018-11-28 17:36:18,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@667ad3ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:36:18, skipping insertion in model container [2018-11-28 17:36:18,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:36:18" (3/3) ... [2018-11-28 17:36:18,357 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_3_7_false-unreach-call_true-termination.i [2018-11-28 17:36:18,369 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 17:36:18,379 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 17:36:18,401 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 17:36:18,447 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 17:36:18,449 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 17:36:18,449 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 17:36:18,450 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 17:36:18,451 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 17:36:18,451 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 17:36:18,451 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 17:36:18,451 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 17:36:18,452 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 17:36:18,480 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-11-28 17:36:18,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-28 17:36:18,488 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:36:18,490 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:36:18,493 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:36:18,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:36:18,500 INFO L82 PathProgramCache]: Analyzing trace with hash 122785517, now seen corresponding path program 1 times [2018-11-28 17:36:18,505 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:36:18,506 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-28 17:36:18,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:36:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 17:36:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 17:37:00,338 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 17:37:00,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:37:00 BoogieIcfgContainer [2018-11-28 17:37:00,391 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 17:37:00,392 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 17:37:00,392 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 17:37:00,392 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 17:37:00,393 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:36:18" (3/4) ... [2018-11-28 17:37:00,397 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 17:37:00,468 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 17:37:00,468 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 17:37:00,469 INFO L168 Benchmark]: Toolchain (without parser) took 49566.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -116.4 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2018-11-28 17:37:00,472 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:37:00,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.21 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 935.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-11-28 17:37:00,473 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.25 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:37:00,474 INFO L168 Benchmark]: Boogie Preprocessor took 61.89 ms. Allocated memory is still 1.0 GB. Free memory was 935.3 MB in the beginning and 929.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 17:37:00,475 INFO L168 Benchmark]: RCFGBuilder took 7012.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -162.1 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-28 17:37:00,475 INFO L168 Benchmark]: TraceAbstraction took 42043.47 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: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-11-28 17:37:00,477 INFO L168 Benchmark]: Witness Printer took 76.79 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-28 17:37:00,482 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 330.21 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 935.3 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 34.25 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.89 ms. Allocated memory is still 1.0 GB. Free memory was 935.3 MB in the beginning and 929.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 7012.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -162.1 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 42043.47 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: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * Witness Printer took 76.79 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 28]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=-1.3664436340332031] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=-1.3664436340332031, \result=-0.9826772809028625, x=-1.3664436340332031] [L19] RET, EXPR f(IN) VAL [f(IN)=-0.9826772809028625, IN=-1.3664436340332031] [L19] CALL, EXPR fp(IN) VAL [\old(x)=-1.3664436340332031] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-1.3664436340332031, \result=0.22072014212608337, x=-1.3664436340332031] [L19] RET, EXPR fp(IN) VAL [f(IN)=-0.9826772809028625, fp(IN)=0.22072014212608337, IN=-1.3664436340332031] [L19] float x = IN - f(IN)/fp(IN); [L21] CALL, EXPR f(x) VAL [\old(x)=3.085697650909424] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=3.085697650909424, \result=1.0486676692962646, x=3.085697650909424] [L21] RET, EXPR f(x) VAL [f(x)=1.0486676692962646, IN=-1.3664436340332031, x=3.085697650909424] [L21] CALL, EXPR fp(x) VAL [\old(x)=3.085697650909424] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=3.085697650909424, \result=1.215628981590271, x=3.085697650909424] [L21] RET, EXPR fp(x) VAL [f(x)=1.0486676692962646, fp(x)=1.215628981590271, IN=-1.3664436340332031, x=3.085697650909424] [L21] x = x - f(x)/fp(x) [L23] CALL, EXPR f(x) VAL [\old(x)=2.223043203353882] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=2.223043203353882, \result=0.8976989388465881, x=2.223043203353882] [L23] RET, EXPR f(x) VAL [f(x)=0.8976989388465881, IN=-1.3664436340332031, x=2.223043203353882] [L23] CALL, EXPR fp(x) VAL [\old(x)=2.223043203353882] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=2.223043203353882, \result=-0.28572168946266174, x=2.223043203353882] [L23] RET, EXPR fp(x) VAL [f(x)=0.8976989388465881, fp(x)=-0.28572168946266174, IN=-1.3664436340332031, x=2.223043203353882] [L23] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) VAL [IN=-1.3664436340332031, x=5.364908218383789] [L28] __VERIFIER_error() VAL [IN=-1.3664436340332031, x=5.364908218383789] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 28 locations, 1 error locations. UNSAFE Result, 41.9s 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, 14.7s 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...