./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_8_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_8_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e9eabaef1f2b99f50e18602924ca00b4cf8f91d ......................................................................................................................................................................................................................................................... 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_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_8_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e9eabaef1f2b99f50e18602924ca00b4cf8f91d .............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:46:27,257 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:46:27,258 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:46:27,264 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:46:27,264 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:46:27,265 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:46:27,266 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:46:27,267 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:46:27,268 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:46:27,268 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:46:27,269 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:46:27,269 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:46:27,270 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:46:27,271 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:46:27,271 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:46:27,271 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:46:27,272 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:46:27,273 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:46:27,274 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:46:27,275 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:46:27,275 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:46:27,276 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:46:27,277 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:46:27,277 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:46:27,277 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:46:27,278 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:46:27,278 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:46:27,279 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:46:27,279 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:46:27,280 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:46:27,280 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:46:27,281 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:46:27,281 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:46:27,281 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:46:27,282 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:46:27,282 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:46:27,282 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 10:46:27,291 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:46:27,292 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:46:27,292 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:46:27,292 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 10:46:27,293 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 10:46:27,293 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 10:46:27,293 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 10:46:27,293 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 10:46:27,293 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 10:46:27,293 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 10:46:27,293 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 10:46:27,294 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:46:27,294 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:46:27,294 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:46:27,294 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:46:27,294 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:46:27,295 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:46:27,295 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:46:27,295 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:46:27,295 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:46:27,295 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:46:27,295 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:46:27,295 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:46:27,295 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 10:46:27,296 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:46:27,296 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 10:46:27,296 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:46:27,296 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:46:27,296 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:46:27,296 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:46:27,296 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 10:46:27,296 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:46:27,297 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:46:27,297 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 10:46:27,297 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e9eabaef1f2b99f50e18602924ca00b4cf8f91d [2018-11-10 10:46:27,321 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:46:27,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:46:27,332 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:46:27,333 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:46:27,334 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:46:27,334 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_1_8_false-unreach-call_true-termination.i [2018-11-10 10:46:27,376 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan/data/93fa853b2/9b13be9d282e4355aa48d95bc7b2df23/FLAG8be43429f [2018-11-10 10:46:27,758 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:46:27,759 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/sv-benchmarks/c/floats-cdfpl/newton_1_8_false-unreach-call_true-termination.i [2018-11-10 10:46:27,763 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan/data/93fa853b2/9b13be9d282e4355aa48d95bc7b2df23/FLAG8be43429f [2018-11-10 10:46:27,772 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan/data/93fa853b2/9b13be9d282e4355aa48d95bc7b2df23 [2018-11-10 10:46:27,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:46:27,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:46:27,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:46:27,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:46:27,778 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:46:27,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:46:27" (1/1) ... [2018-11-10 10:46:27,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46673125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:27, skipping insertion in model container [2018-11-10 10:46:27,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:46:27" (1/1) ... [2018-11-10 10:46:27,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:46:27,801 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:46:27,927 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:46:27,930 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:46:27,940 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:46:27,949 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:46:27,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:27 WrapperNode [2018-11-10 10:46:27,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:46:27,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:46:27,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:46:27,950 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:46:27,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:27" (1/1) ... [2018-11-10 10:46:27,959 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:27" (1/1) ... [2018-11-10 10:46:27,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:46:27,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:46:27,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:46:27,963 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:46:27,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:27" (1/1) ... [2018-11-10 10:46:27,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:27" (1/1) ... [2018-11-10 10:46:27,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:27" (1/1) ... [2018-11-10 10:46:27,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:27" (1/1) ... [2018-11-10 10:46:27,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:27" (1/1) ... [2018-11-10 10:46:27,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:27" (1/1) ... [2018-11-10 10:46:27,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:27" (1/1) ... [2018-11-10 10:46:27,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:46:27,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:46:27,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:46:27,973 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:46:27,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:46:28,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 10:46:28,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 10:46:28,044 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-10 10:46:28,044 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-10 10:46:28,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:46:28,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:46:28,045 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 10:46:28,045 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 10:46:28,045 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-11-10 10:46:28,045 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-11-10 10:46:28,120 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:46:28,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:46:28 BoogieIcfgContainer [2018-11-10 10:46:28,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:46:28,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 10:46:28,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 10:46:28,123 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 10:46:28,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:46:27" (1/3) ... [2018-11-10 10:46:28,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39641209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:46:28, skipping insertion in model container [2018-11-10 10:46:28,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:27" (2/3) ... [2018-11-10 10:46:28,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39641209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:46:28, skipping insertion in model container [2018-11-10 10:46:28,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:46:28" (3/3) ... [2018-11-10 10:46:28,125 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_8_false-unreach-call_true-termination.i [2018-11-10 10:46:28,130 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 10:46:28,134 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 10:46:28,142 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 10:46:28,162 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 10:46:28,163 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 10:46:28,163 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 10:46:28,163 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 10:46:28,163 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 10:46:28,163 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 10:46:28,163 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 10:46:28,163 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 10:46:28,177 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-11-10 10:46:28,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 10:46:28,182 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:46:28,182 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:46:28,184 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:46:28,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:46:28,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1511824848, now seen corresponding path program 1 times [2018-11-10 10:46:28,189 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:46:28,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:46:28,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:46:28,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:46:28,225 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:46:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:46:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:46:28,261 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 10:46:28,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:46:28 BoogieIcfgContainer [2018-11-10 10:46:28,275 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 10:46:28,275 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:46:28,276 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:46:28,276 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:46:28,276 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:46:28" (3/4) ... [2018-11-10 10:46:28,278 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 10:46:28,278 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:46:28,279 INFO L168 Benchmark]: Toolchain (without parser) took 504.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -132.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:46:28,280 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:46:28,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 174.63 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-10 10:46:28,280 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.09 ms. Allocated memory is still 1.0 GB. Free memory is still 949.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:46:28,281 INFO L168 Benchmark]: Boogie Preprocessor took 10.19 ms. Allocated memory is still 1.0 GB. Free memory was 949.4 MB in the beginning and 946.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:46:28,281 INFO L168 Benchmark]: RCFGBuilder took 147.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 946.7 MB in the beginning and 1.1 GB in the end (delta: -159.7 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-11-10 10:46:28,282 INFO L168 Benchmark]: TraceAbstraction took 154.53 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:46:28,282 INFO L168 Benchmark]: Witness Printer took 2.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:46:28,284 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 174.63 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 12.09 ms. Allocated memory is still 1.0 GB. Free memory is still 949.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.19 ms. Allocated memory is still 1.0 GB. Free memory was 949.4 MB in the beginning and 946.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 147.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 946.7 MB in the beginning and 1.1 GB in the end (delta: -159.7 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 154.53 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 2.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 28]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 17, overapproximation of someBinaryDOUBLEComparisonOperation at line 27, overapproximation of someBinaryArithmeticFLOAToperation at line 19. Possible FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=2] [L6] RET return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=2, x=2] [L19] EXPR f(IN) VAL [f(IN)=1, IN=2] [L19] CALL, EXPR fp(IN) VAL [\old(x)=2] [L11] RET return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=2, x=2] [L19] EXPR fp(IN) VAL [f(IN)=1, fp(IN)=0, IN=2] [L19] float x = IN - f(IN)/fp(IN); [L27] COND TRUE !(x < 0.1) VAL [IN=2] [L28] __VERIFIER_error() VAL [IN=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:46:29,650 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:46:29,652 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:46:29,660 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:46:29,660 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:46:29,661 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:46:29,662 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:46:29,663 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:46:29,664 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:46:29,665 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:46:29,665 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:46:29,666 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:46:29,666 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:46:29,667 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:46:29,668 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:46:29,668 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:46:29,669 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:46:29,670 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:46:29,671 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:46:29,672 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:46:29,673 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:46:29,674 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:46:29,676 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:46:29,676 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:46:29,676 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:46:29,676 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:46:29,677 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:46:29,678 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:46:29,678 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:46:29,679 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:46:29,679 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:46:29,679 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:46:29,680 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:46:29,680 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:46:29,680 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:46:29,681 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:46:29,681 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 10:46:29,691 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:46:29,691 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:46:29,691 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:46:29,691 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 10:46:29,692 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 10:46:29,692 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 10:46:29,692 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 10:46:29,692 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 10:46:29,693 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:46:29,693 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:46:29,693 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:46:29,693 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:46:29,693 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:46:29,693 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:46:29,693 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:46:29,693 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 10:46:29,694 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 10:46:29,694 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:46:29,694 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:46:29,694 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:46:29,694 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:46:29,694 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 10:46:29,694 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:46:29,694 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 10:46:29,695 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:46:29,695 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:46:29,695 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:46:29,695 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:46:29,695 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 10:46:29,695 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:46:29,695 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 10:46:29,696 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 10:46:29,696 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_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e9eabaef1f2b99f50e18602924ca00b4cf8f91d [2018-11-10 10:46:29,727 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:46:29,736 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:46:29,739 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:46:29,740 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:46:29,740 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:46:29,741 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_1_8_false-unreach-call_true-termination.i [2018-11-10 10:46:29,784 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan/data/2bdf8b993/f43d77ea22154c5a8d44e87f9ca21b02/FLAG7ecc43236 [2018-11-10 10:46:30,087 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:46:30,087 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/sv-benchmarks/c/floats-cdfpl/newton_1_8_false-unreach-call_true-termination.i [2018-11-10 10:46:30,090 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan/data/2bdf8b993/f43d77ea22154c5a8d44e87f9ca21b02/FLAG7ecc43236 [2018-11-10 10:46:30,103 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan/data/2bdf8b993/f43d77ea22154c5a8d44e87f9ca21b02 [2018-11-10 10:46:30,106 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:46:30,107 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:46:30,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:46:30,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:46:30,110 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:46:30,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:46:30" (1/1) ... [2018-11-10 10:46:30,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d2fdda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:30, skipping insertion in model container [2018-11-10 10:46:30,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:46:30" (1/1) ... [2018-11-10 10:46:30,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:46:30,131 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:46:30,238 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:46:30,242 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:46:30,257 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:46:30,267 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:46:30,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:30 WrapperNode [2018-11-10 10:46:30,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:46:30,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:46:30,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:46:30,268 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:46:30,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:30" (1/1) ... [2018-11-10 10:46:30,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:30" (1/1) ... [2018-11-10 10:46:30,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:46:30,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:46:30,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:46:30,282 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:46:30,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:30" (1/1) ... [2018-11-10 10:46:30,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:30" (1/1) ... [2018-11-10 10:46:30,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:30" (1/1) ... [2018-11-10 10:46:30,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:30" (1/1) ... [2018-11-10 10:46:30,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:30" (1/1) ... [2018-11-10 10:46:30,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:30" (1/1) ... [2018-11-10 10:46:30,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:30" (1/1) ... [2018-11-10 10:46:30,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:46:30,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:46:30,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:46:30,295 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:46:30,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:46:30,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 10:46:30,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 10:46:30,327 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-10 10:46:30,327 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-10 10:46:30,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:46:30,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:46:30,327 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 10:46:30,327 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 10:46:30,328 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-11-10 10:46:30,328 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-11-10 10:46:36,540 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:46:36,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:46:36 BoogieIcfgContainer [2018-11-10 10:46:36,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:46:36,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 10:46:36,542 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 10:46:36,543 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 10:46:36,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:46:30" (1/3) ... [2018-11-10 10:46:36,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d728f75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:46:36, skipping insertion in model container [2018-11-10 10:46:36,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:30" (2/3) ... [2018-11-10 10:46:36,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d728f75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:46:36, skipping insertion in model container [2018-11-10 10:46:36,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:46:36" (3/3) ... [2018-11-10 10:46:36,546 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_8_false-unreach-call_true-termination.i [2018-11-10 10:46:36,554 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 10:46:36,559 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 10:46:36,567 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 10:46:36,583 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 10:46:36,584 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 10:46:36,584 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 10:46:36,584 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 10:46:36,584 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 10:46:36,584 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 10:46:36,584 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 10:46:36,585 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 10:46:36,585 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 10:46:36,598 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-11-10 10:46:36,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 10:46:36,603 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:46:36,603 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:46:36,604 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:46:36,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:46:36,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1511824848, now seen corresponding path program 1 times [2018-11-10 10:46:36,610 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:46:36,610 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-10 10:46:36,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:46:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:47:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:47:41,412 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 10:47:41,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:47:41 BoogieIcfgContainer [2018-11-10 10:47:41,430 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 10:47:41,431 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:47:41,431 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:47:41,431 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:47:41,431 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:46:36" (3/4) ... [2018-11-10 10:47:41,433 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 10:47:41,465 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_45aae4fe-73d3-4aa6-8124-e40d0b3eddd0/bin-2019/utaipan/witness.graphml [2018-11-10 10:47:41,465 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:47:41,465 INFO L168 Benchmark]: Toolchain (without parser) took 71359.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -170.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:47:41,466 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:47:41,467 INFO L168 Benchmark]: CACSL2BoogieTranslator took 160.45 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:47:41,467 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.51 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:47:41,467 INFO L168 Benchmark]: Boogie Preprocessor took 12.79 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:47:41,468 INFO L168 Benchmark]: RCFGBuilder took 6246.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -212.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2018-11-10 10:47:41,468 INFO L168 Benchmark]: TraceAbstraction took 64888.98 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: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-11-10 10:47:41,468 INFO L168 Benchmark]: Witness Printer took 34.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-10 10:47:41,471 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 160.45 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 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 13.51 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.79 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 6246.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -212.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 64888.98 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: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Witness Printer took 34.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 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)=-1.1949905157089233] [L6] RET return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=-1.1949905157089233, \result=-0.9315795302391052, x=-1.1949905157089233] [L19] EXPR f(IN) VAL [f(IN)=-0.9315795302391052, IN=-1.1949905157089233] [L19] CALL, EXPR fp(IN) VAL [\old(x)=-1.1949905157089233] [L11] RET return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-1.1949905157089233, \result=0.3750095069408417, x=-1.1949905157089233] [L19] EXPR fp(IN) VAL [f(IN)=-0.9315795302391052, fp(IN)=0.3750095069408417, IN=-1.1949905157089233] [L19] float x = IN - f(IN)/fp(IN); [L27] COND TRUE !(x < 0.1) VAL [IN=-1.1949905157089233, x=1.2891587018966675] [L28] __VERIFIER_error() VAL [IN=-1.1949905157089233, x=1.2891587018966675] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. UNSAFE Result, 64.8s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...