./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_6_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_58477cf9-c7cd-471b-991b-027faad26a73/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_58477cf9-c7cd-471b-991b-027faad26a73/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_58477cf9-c7cd-471b-991b-027faad26a73/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_58477cf9-c7cd-471b-991b-027faad26a73/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_6_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_58477cf9-c7cd-471b-991b-027faad26a73/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_58477cf9-c7cd-471b-991b-027faad26a73/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 681fb6d62502cf59ef295360f3a46fc8f0826056 ........................................................................................................................................................................................................................................................... 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_58477cf9-c7cd-471b-991b-027faad26a73/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_58477cf9-c7cd-471b-991b-027faad26a73/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_58477cf9-c7cd-471b-991b-027faad26a73/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_58477cf9-c7cd-471b-991b-027faad26a73/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_6_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_58477cf9-c7cd-471b-991b-027faad26a73/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_58477cf9-c7cd-471b-991b-027faad26a73/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 681fb6d62502cf59ef295360f3a46fc8f0826056 .................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 07:49:29,256 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 07:49:29,257 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 07:49:29,263 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 07:49:29,263 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 07:49:29,263 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 07:49:29,264 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 07:49:29,265 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 07:49:29,266 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 07:49:29,266 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 07:49:29,267 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 07:49:29,267 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 07:49:29,267 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 07:49:29,268 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 07:49:29,268 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 07:49:29,268 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 07:49:29,269 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 07:49:29,270 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 07:49:29,271 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 07:49:29,271 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 07:49:29,272 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 07:49:29,272 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 07:49:29,273 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 07:49:29,274 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 07:49:29,274 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 07:49:29,274 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 07:49:29,275 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 07:49:29,275 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 07:49:29,275 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 07:49:29,276 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 07:49:29,276 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 07:49:29,276 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 07:49:29,277 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 07:49:29,277 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 07:49:29,277 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 07:49:29,277 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 07:49:29,278 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_58477cf9-c7cd-471b-991b-027faad26a73/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 07:49:29,285 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 07:49:29,285 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 07:49:29,286 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 07:49:29,286 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 07:49:29,286 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 07:49:29,286 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 07:49:29,286 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 07:49:29,286 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 07:49:29,286 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 07:49:29,286 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 07:49:29,286 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 07:49:29,286 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 07:49:29,286 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 07:49:29,287 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 07:49:29,287 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 07:49:29,287 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 07:49:29,287 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 07:49:29,287 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 07:49:29,287 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 07:49:29,287 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 07:49:29,287 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 07:49:29,288 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 07:49:29,288 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 07:49:29,288 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 07:49:29,288 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 07:49:29,288 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 07:49:29,288 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 07:49:29,288 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 07:49:29,288 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 07:49:29,288 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 07:49:29,288 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 07:49:29,288 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 07:49:29,289 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 07:49:29,289 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 07:49:29,289 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 07:49:29,289 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 07:49:29,289 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_58477cf9-c7cd-471b-991b-027faad26a73/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 -> 681fb6d62502cf59ef295360f3a46fc8f0826056 [2018-12-03 07:49:29,306 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 07:49:29,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 07:49:29,315 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 07:49:29,316 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 07:49:29,316 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 07:49:29,316 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_58477cf9-c7cd-471b-991b-027faad26a73/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_1_6_false-unreach-call_true-termination.i [2018-12-03 07:49:29,351 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58477cf9-c7cd-471b-991b-027faad26a73/bin-2019/utaipan/data/f60170ab4/b7ec8aac0b93486aa00af961dcafefe1/FLAG296747ecd [2018-12-03 07:49:29,790 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 07:49:29,790 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_58477cf9-c7cd-471b-991b-027faad26a73/sv-benchmarks/c/floats-cdfpl/newton_1_6_false-unreach-call_true-termination.i [2018-12-03 07:49:29,793 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58477cf9-c7cd-471b-991b-027faad26a73/bin-2019/utaipan/data/f60170ab4/b7ec8aac0b93486aa00af961dcafefe1/FLAG296747ecd [2018-12-03 07:49:29,801 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_58477cf9-c7cd-471b-991b-027faad26a73/bin-2019/utaipan/data/f60170ab4/b7ec8aac0b93486aa00af961dcafefe1 [2018-12-03 07:49:29,802 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 07:49:29,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 07:49:29,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 07:49:29,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 07:49:29,806 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 07:49:29,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:49:29" (1/1) ... [2018-12-03 07:49:29,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@709ce3e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:49:29, skipping insertion in model container [2018-12-03 07:49:29,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:49:29" (1/1) ... [2018-12-03 07:49:29,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 07:49:29,821 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 07:49:29,906 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 07:49:29,909 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 07:49:29,919 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 07:49:29,926 INFO L195 MainTranslator]: Completed translation [2018-12-03 07:49:29,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:49:29 WrapperNode [2018-12-03 07:49:29,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 07:49:29,927 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 07:49:29,927 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 07:49:29,927 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 07:49:29,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:49:29" (1/1) ... [2018-12-03 07:49:29,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:49:29" (1/1) ... [2018-12-03 07:49:29,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 07:49:29,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 07:49:29,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 07:49:29,939 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 07:49:29,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:49:29" (1/1) ... [2018-12-03 07:49:29,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:49:29" (1/1) ... [2018-12-03 07:49:29,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:49:29" (1/1) ... [2018-12-03 07:49:29,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:49:29" (1/1) ... [2018-12-03 07:49:29,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:49:29" (1/1) ... [2018-12-03 07:49:29,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:49:29" (1/1) ... [2018-12-03 07:49:29,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:49:29" (1/1) ... [2018-12-03 07:49:29,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 07:49:29,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 07:49:29,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 07:49:29,951 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 07:49:29,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:49:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58477cf9-c7cd-471b-991b-027faad26a73/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 [2018-12-03 07:49:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 07:49:30,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 07:49:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-03 07:49:30,015 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-03 07:49:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 07:49:30,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 07:49:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-12-03 07:49:30,015 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-12-03 07:49:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 07:49:30,015 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 07:49:30,095 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 07:49:30,095 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-03 07:49:30,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:49:30 BoogieIcfgContainer [2018-12-03 07:49:30,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 07:49:30,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 07:49:30,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 07:49:30,098 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 07:49:30,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 07:49:29" (1/3) ... [2018-12-03 07:49:30,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b566b34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:49:30, skipping insertion in model container [2018-12-03 07:49:30,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:49:29" (2/3) ... [2018-12-03 07:49:30,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b566b34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:49:30, skipping insertion in model container [2018-12-03 07:49:30,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:49:30" (3/3) ... [2018-12-03 07:49:30,100 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_6_false-unreach-call_true-termination.i [2018-12-03 07:49:30,105 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 07:49:30,110 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 07:49:30,119 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 07:49:30,138 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 07:49:30,139 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 07:49:30,139 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 07:49:30,139 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 07:49:30,139 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 07:49:30,139 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 07:49:30,139 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 07:49:30,139 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 07:49:30,149 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-12-03 07:49:30,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-03 07:49:30,153 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:49:30,153 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:49:30,155 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:49:30,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:49:30,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1667394832, now seen corresponding path program 1 times [2018-12-03 07:49:30,160 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:49:30,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:49:30,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:49:30,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:49:30,188 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:49:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 07:49:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 07:49:30,226 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-03 07:49:30,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 07:49:30 BoogieIcfgContainer [2018-12-03 07:49:30,241 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 07:49:30,241 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 07:49:30,241 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 07:49:30,241 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 07:49:30,242 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:49:30" (3/4) ... [2018-12-03 07:49:30,244 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-03 07:49:30,244 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 07:49:30,244 INFO L168 Benchmark]: Toolchain (without parser) took 441.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -144.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:49:30,245 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:49:30,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 123.13 ms. Allocated memory is still 1.0 GB. Free memory was 953.5 MB in the beginning and 941.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-03 07:49:30,246 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.85 ms. Allocated memory is still 1.0 GB. Free memory is still 941.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:49:30,246 INFO L168 Benchmark]: Boogie Preprocessor took 11.36 ms. Allocated memory is still 1.0 GB. Free memory was 941.6 MB in the beginning and 936.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-03 07:49:30,247 INFO L168 Benchmark]: RCFGBuilder took 144.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 936.3 MB in the beginning and 1.1 GB in the end (delta: -175.7 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-03 07:49:30,247 INFO L168 Benchmark]: TraceAbstraction took 145.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-03 07:49:30,247 INFO L168 Benchmark]: Witness Printer took 2.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:49:30,249 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 123.13 ms. Allocated memory is still 1.0 GB. Free memory was 953.5 MB in the beginning and 941.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 11.85 ms. Allocated memory is still 1.0 GB. Free memory is still 941.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.36 ms. Allocated memory is still 1.0 GB. Free memory was 941.6 MB in the beginning and 936.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 144.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 936.3 MB in the beginning and 1.1 GB in the end (delta: -175.7 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 145.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 28]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 17, overapproximation of someBinaryDOUBLEComparisonOperation at line 27, overapproximation of someBinaryArithmeticFLOAToperation at line 19. Possible FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=2] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=2, x=2] [L19] RET, EXPR f(IN) VAL [f(IN)=1, IN=2] [L19] CALL, EXPR fp(IN) VAL [\old(x)=2] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=2, x=2] [L19] RET, 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 0.1.23-635dfa2 [2018-12-03 07:49:31,606 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 07:49:31,607 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 07:49:31,615 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 07:49:31,615 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 07:49:31,616 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 07:49:31,617 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 07:49:31,618 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 07:49:31,619 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 07:49:31,620 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 07:49:31,620 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 07:49:31,620 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 07:49:31,621 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 07:49:31,622 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 07:49:31,622 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 07:49:31,623 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 07:49:31,623 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 07:49:31,625 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 07:49:31,626 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 07:49:31,626 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 07:49:31,627 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 07:49:31,628 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 07:49:31,629 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 07:49:31,629 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 07:49:31,629 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 07:49:31,630 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 07:49:31,630 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 07:49:31,630 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 07:49:31,631 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 07:49:31,631 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 07:49:31,631 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 07:49:31,632 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 07:49:31,632 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 07:49:31,632 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 07:49:31,632 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 07:49:31,633 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 07:49:31,633 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_58477cf9-c7cd-471b-991b-027faad26a73/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-03 07:49:31,642 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 07:49:31,642 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 07:49:31,643 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 07:49:31,643 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 07:49:31,643 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 07:49:31,643 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 07:49:31,643 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 07:49:31,644 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 07:49:31,644 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 07:49:31,644 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 07:49:31,644 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 07:49:31,645 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 07:49:31,645 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 07:49:31,645 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 07:49:31,645 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 07:49:31,645 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 07:49:31,645 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 07:49:31,646 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-03 07:49:31,646 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-03 07:49:31,646 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 07:49:31,646 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 07:49:31,646 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 07:49:31,646 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 07:49:31,646 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 07:49:31,647 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 07:49:31,647 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 07:49:31,647 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 07:49:31,647 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 07:49:31,647 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 07:49:31,647 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 07:49:31,648 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 07:49:31,648 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-03 07:49:31,648 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 07:49:31,648 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-03 07:49:31,648 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-03 07:49:31,648 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_58477cf9-c7cd-471b-991b-027faad26a73/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 -> 681fb6d62502cf59ef295360f3a46fc8f0826056 [2018-12-03 07:49:31,671 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 07:49:31,678 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 07:49:31,680 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 07:49:31,681 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 07:49:31,682 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 07:49:31,682 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_58477cf9-c7cd-471b-991b-027faad26a73/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_1_6_false-unreach-call_true-termination.i [2018-12-03 07:49:31,716 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58477cf9-c7cd-471b-991b-027faad26a73/bin-2019/utaipan/data/890eb6041/d33a0f87b94546e8a81ab5db10d4fc73/FLAG2235e304a [2018-12-03 07:49:32,130 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 07:49:32,131 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_58477cf9-c7cd-471b-991b-027faad26a73/sv-benchmarks/c/floats-cdfpl/newton_1_6_false-unreach-call_true-termination.i [2018-12-03 07:49:32,134 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58477cf9-c7cd-471b-991b-027faad26a73/bin-2019/utaipan/data/890eb6041/d33a0f87b94546e8a81ab5db10d4fc73/FLAG2235e304a [2018-12-03 07:49:32,143 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_58477cf9-c7cd-471b-991b-027faad26a73/bin-2019/utaipan/data/890eb6041/d33a0f87b94546e8a81ab5db10d4fc73 [2018-12-03 07:49:32,144 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 07:49:32,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 07:49:32,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 07:49:32,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 07:49:32,148 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 07:49:32,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:49:32" (1/1) ... [2018-12-03 07:49:32,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61af8d13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:49:32, skipping insertion in model container [2018-12-03 07:49:32,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:49:32" (1/1) ... [2018-12-03 07:49:32,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 07:49:32,164 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 07:49:32,265 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 07:49:32,269 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 07:49:32,281 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 07:49:32,289 INFO L195 MainTranslator]: Completed translation [2018-12-03 07:49:32,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:49:32 WrapperNode [2018-12-03 07:49:32,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 07:49:32,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 07:49:32,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 07:49:32,290 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 07:49:32,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:49:32" (1/1) ... [2018-12-03 07:49:32,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:49:32" (1/1) ... [2018-12-03 07:49:32,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 07:49:32,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 07:49:32,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 07:49:32,305 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 07:49:32,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:49:32" (1/1) ... [2018-12-03 07:49:32,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:49:32" (1/1) ... [2018-12-03 07:49:32,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:49:32" (1/1) ... [2018-12-03 07:49:32,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:49:32" (1/1) ... [2018-12-03 07:49:32,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:49:32" (1/1) ... [2018-12-03 07:49:32,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:49:32" (1/1) ... [2018-12-03 07:49:32,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:49:32" (1/1) ... [2018-12-03 07:49:32,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 07:49:32,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 07:49:32,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 07:49:32,321 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 07:49:32,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:49:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58477cf9-c7cd-471b-991b-027faad26a73/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 [2018-12-03 07:49:32,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 07:49:32,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 07:49:32,399 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-03 07:49:32,399 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-03 07:49:32,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 07:49:32,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 07:49:32,399 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-12-03 07:49:32,399 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-12-03 07:49:32,399 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 07:49:32,399 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 07:49:38,367 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 07:49:38,367 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-03 07:49:38,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:49:38 BoogieIcfgContainer [2018-12-03 07:49:38,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 07:49:38,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 07:49:38,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 07:49:38,370 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 07:49:38,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 07:49:32" (1/3) ... [2018-12-03 07:49:38,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f60a250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:49:38, skipping insertion in model container [2018-12-03 07:49:38,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:49:32" (2/3) ... [2018-12-03 07:49:38,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f60a250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:49:38, skipping insertion in model container [2018-12-03 07:49:38,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:49:38" (3/3) ... [2018-12-03 07:49:38,372 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_6_false-unreach-call_true-termination.i [2018-12-03 07:49:38,378 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 07:49:38,382 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 07:49:38,393 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 07:49:38,410 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-03 07:49:38,411 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 07:49:38,411 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 07:49:38,411 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 07:49:38,411 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 07:49:38,411 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 07:49:38,411 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 07:49:38,412 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 07:49:38,412 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 07:49:38,421 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-12-03 07:49:38,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-03 07:49:38,425 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:49:38,425 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:49:38,426 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:49:38,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:49:38,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1667394832, now seen corresponding path program 1 times [2018-12-03 07:49:38,432 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 07:49:38,432 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58477cf9-c7cd-471b-991b-027faad26a73/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 [2018-12-03 07:49:38,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:50:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 07:50:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 07:50:24,222 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-03 07:50:24,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 07:50:24 BoogieIcfgContainer [2018-12-03 07:50:24,244 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 07:50:24,244 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 07:50:24,244 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 07:50:24,245 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 07:50:24,245 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:49:38" (3/4) ... [2018-12-03 07:50:24,246 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-03 07:50:24,272 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_58477cf9-c7cd-471b-991b-027faad26a73/bin-2019/utaipan/witness.graphml [2018-12-03 07:50:24,272 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 07:50:24,273 INFO L168 Benchmark]: Toolchain (without parser) took 52128.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -118.3 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-03 07:50:24,274 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:50:24,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 144.22 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-03 07:50:24,274 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.49 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:50:24,274 INFO L168 Benchmark]: Boogie Preprocessor took 15.99 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-03 07:50:24,275 INFO L168 Benchmark]: RCFGBuilder took 6046.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -161.6 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-12-03 07:50:24,275 INFO L168 Benchmark]: TraceAbstraction took 45875.83 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: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-12-03 07:50:24,275 INFO L168 Benchmark]: Witness Printer took 27.92 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-03 07:50:24,277 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 144.22 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 14.49 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.99 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 6046.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -161.6 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 45875.83 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: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Witness Printer took 27.92 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: 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: - 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)=-0.7896420359611511] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=-0.7896420359611511, \result=-0.7101768851280212, x=-0.7896420359611511] [L19] RET, EXPR f(IN) VAL [f(IN)=-0.7101768851280212, IN=-0.7896420359611511] [L19] CALL, EXPR fp(IN) VAL [\old(x)=-0.7896420359611511] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-0.7896420359611511, \result=0.7047692537307739, x=-0.7896420359611511] [L19] RET, EXPR fp(IN) VAL [f(IN)=-0.7101768851280212, fp(IN)=0.7047692537307739, IN=-0.7896420359611511] [L19] float x = IN - f(IN)/fp(IN); [L27] COND TRUE !(x < 0.1) VAL [IN=-0.7896420359611511, x=0.2180308699607849] [L28] __VERIFIER_error() VAL [IN=-0.7896420359611511, x=0.2180308699607849] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. UNSAFE Result, 45.8s 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, 43.1s 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...