./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_5_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_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_5_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/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 e4382b57b29a0b5934fceb56c089bfd5b9abbe48 ................................................................................................................................................................................................................................................................... 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_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_5_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/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 e4382b57b29a0b5934fceb56c089bfd5b9abbe48 ................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 17:41:42,742 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:41:42,743 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:41:42,749 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:41:42,749 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:41:42,749 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:41:42,750 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:41:42,751 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:41:42,751 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:41:42,752 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:41:42,752 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:41:42,752 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:41:42,753 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:41:42,753 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:41:42,754 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:41:42,754 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:41:42,755 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:41:42,755 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:41:42,756 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:41:42,757 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:41:42,757 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:41:42,758 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:41:42,759 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:41:42,759 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:41:42,759 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:41:42,760 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:41:42,760 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:41:42,760 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:41:42,761 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:41:42,761 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:41:42,762 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:41:42,762 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:41:42,762 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:41:42,762 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:41:42,763 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:41:42,763 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:41:42,763 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 17:41:42,770 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:41:42,770 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:41:42,770 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:41:42,771 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 17:41:42,771 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 17:41:42,771 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 17:41:42,771 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 17:41:42,771 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 17:41:42,771 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 17:41:42,771 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 17:41:42,771 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 17:41:42,771 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 17:41:42,771 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 17:41:42,772 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:41:42,772 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:41:42,772 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 17:41:42,772 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:41:42,772 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:41:42,772 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:41:42,772 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:41:42,772 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:41:42,772 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:41:42,773 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:41:42,773 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:41:42,773 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:41:42,773 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 17:41:42,773 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:41:42,773 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 17:41:42,773 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:41:42,773 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:41:42,773 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:41:42,773 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:41:42,774 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 17:41:42,774 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:41:42,774 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 17:41:42,774 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 17:41:42,774 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_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/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 -> e4382b57b29a0b5934fceb56c089bfd5b9abbe48 [2018-12-09 17:41:42,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:41:42,800 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:41:42,803 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:41:42,804 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:41:42,804 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:41:42,805 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_1_5_false-unreach-call_true-termination.i [2018-12-09 17:41:42,849 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/bin-2019/utaipan/data/9c8aec01b/392149b2ad26492ab8aa003258250679/FLAG7bf351488 [2018-12-09 17:41:43,249 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:41:43,250 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/sv-benchmarks/c/floats-cdfpl/newton_1_5_false-unreach-call_true-termination.i [2018-12-09 17:41:43,253 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/bin-2019/utaipan/data/9c8aec01b/392149b2ad26492ab8aa003258250679/FLAG7bf351488 [2018-12-09 17:41:43,261 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/bin-2019/utaipan/data/9c8aec01b/392149b2ad26492ab8aa003258250679 [2018-12-09 17:41:43,263 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:41:43,264 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:41:43,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:41:43,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:41:43,266 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:41:43,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:41:43" (1/1) ... [2018-12-09 17:41:43,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40bf1ca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:43, skipping insertion in model container [2018-12-09 17:41:43,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:41:43" (1/1) ... [2018-12-09 17:41:43,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:41:43,282 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:41:43,369 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:41:43,372 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:41:43,382 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:41:43,389 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:41:43,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:43 WrapperNode [2018-12-09 17:41:43,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:41:43,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:41:43,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:41:43,390 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:41:43,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:43" (1/1) ... [2018-12-09 17:41:43,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:43" (1/1) ... [2018-12-09 17:41:43,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:41:43,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:41:43,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:41:43,402 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:41:43,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:43" (1/1) ... [2018-12-09 17:41:43,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:43" (1/1) ... [2018-12-09 17:41:43,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:43" (1/1) ... [2018-12-09 17:41:43,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:43" (1/1) ... [2018-12-09 17:41:43,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:43" (1/1) ... [2018-12-09 17:41:43,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:43" (1/1) ... [2018-12-09 17:41:43,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:43" (1/1) ... [2018-12-09 17:41:43,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:41:43,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:41:43,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:41:43,413 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:41:43,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/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 [2018-12-09 17:41:43,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 17:41:43,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 17:41:43,471 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-09 17:41:43,471 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-09 17:41:43,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:41:43,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:41:43,472 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-12-09 17:41:43,472 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-12-09 17:41:43,472 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 17:41:43,472 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 17:41:43,542 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:41:43,543 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 17:41:43,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:41:43 BoogieIcfgContainer [2018-12-09 17:41:43,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:41:43,544 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 17:41:43,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 17:41:43,545 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 17:41:43,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:41:43" (1/3) ... [2018-12-09 17:41:43,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72333007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:41:43, skipping insertion in model container [2018-12-09 17:41:43,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:43" (2/3) ... [2018-12-09 17:41:43,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72333007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:41:43, skipping insertion in model container [2018-12-09 17:41:43,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:41:43" (3/3) ... [2018-12-09 17:41:43,547 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_5_false-unreach-call_true-termination.i [2018-12-09 17:41:43,553 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 17:41:43,557 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 17:41:43,565 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 17:41:43,583 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 17:41:43,583 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 17:41:43,583 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 17:41:43,583 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 17:41:43,583 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 17:41:43,583 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 17:41:43,584 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 17:41:43,584 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 17:41:43,593 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-12-09 17:41:43,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 17:41:43,597 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:41:43,597 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:41:43,598 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:41:43,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:41:43,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1667394832, now seen corresponding path program 1 times [2018-12-09 17:41:43,603 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:41:43,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:43,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:41:43,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:43,631 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:41:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 17:41:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 17:41:43,667 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 17:41:43,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:41:43 BoogieIcfgContainer [2018-12-09 17:41:43,681 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 17:41:43,681 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:41:43,681 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:41:43,681 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:41:43,682 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:41:43" (3/4) ... [2018-12-09 17:41:43,684 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 17:41:43,684 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:41:43,685 INFO L168 Benchmark]: Toolchain (without parser) took 421.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 948.6 MB in the beginning and 1.1 GB in the end (delta: -126.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:41:43,686 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:41:43,686 INFO L168 Benchmark]: CACSL2BoogieTranslator took 125.52 ms. Allocated memory is still 1.0 GB. Free memory was 948.6 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 17:41:43,686 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.45 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:41:43,687 INFO L168 Benchmark]: Boogie Preprocessor took 10.79 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 935.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 17:41:43,687 INFO L168 Benchmark]: RCFGBuilder took 130.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -153.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-09 17:41:43,688 INFO L168 Benchmark]: TraceAbstraction took 137.43 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 17:41:43,688 INFO L168 Benchmark]: Witness Printer took 2.92 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 17:41:43,690 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 125.52 ms. Allocated memory is still 1.0 GB. Free memory was 948.6 MB in the beginning and 937.9 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 11.45 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.79 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 935.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 130.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -153.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 137.43 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.92 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 28]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 17, overapproximation of someBinaryDOUBLEComparisonOperation at line 27, overapproximation of someBinaryArithmeticFLOAToperation at line 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 [2018-12-09 17:41:44,921 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:41:44,922 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:41:44,927 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:41:44,928 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:41:44,928 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:41:44,929 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:41:44,929 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:41:44,930 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:41:44,930 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:41:44,931 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:41:44,931 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:41:44,931 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:41:44,932 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:41:44,932 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:41:44,933 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:41:44,933 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:41:44,934 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:41:44,935 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:41:44,935 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:41:44,936 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:41:44,936 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:41:44,938 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:41:44,938 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:41:44,938 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:41:44,938 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:41:44,939 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:41:44,939 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:41:44,939 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:41:44,940 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:41:44,940 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:41:44,940 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:41:44,940 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:41:44,940 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:41:44,941 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:41:44,941 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:41:44,941 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 17:41:44,948 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:41:44,948 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:41:44,949 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:41:44,949 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 17:41:44,949 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 17:41:44,949 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 17:41:44,949 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 17:41:44,949 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 17:41:44,949 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 17:41:44,950 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 17:41:44,950 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:41:44,950 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:41:44,950 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:41:44,950 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:41:44,950 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:41:44,950 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:41:44,950 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:41:44,951 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 17:41:44,951 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 17:41:44,951 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:41:44,951 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:41:44,951 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 17:41:44,951 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:41:44,951 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:41:44,951 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 17:41:44,951 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:41:44,951 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 17:41:44,951 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:41:44,952 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:41:44,952 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:41:44,952 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:41:44,952 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 17:41:44,952 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:41:44,952 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 17:41:44,952 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 17:41:44,952 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_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/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 -> e4382b57b29a0b5934fceb56c089bfd5b9abbe48 [2018-12-09 17:41:44,969 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:41:44,977 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:41:44,979 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:41:44,980 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:41:44,980 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:41:44,981 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_1_5_false-unreach-call_true-termination.i [2018-12-09 17:41:45,018 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/bin-2019/utaipan/data/d49312197/d7245bf1e00e4464a220288e1fa65b45/FLAG6f85b6882 [2018-12-09 17:41:45,402 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:41:45,403 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/sv-benchmarks/c/floats-cdfpl/newton_1_5_false-unreach-call_true-termination.i [2018-12-09 17:41:45,406 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/bin-2019/utaipan/data/d49312197/d7245bf1e00e4464a220288e1fa65b45/FLAG6f85b6882 [2018-12-09 17:41:45,414 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/bin-2019/utaipan/data/d49312197/d7245bf1e00e4464a220288e1fa65b45 [2018-12-09 17:41:45,416 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:41:45,417 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:41:45,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:41:45,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:41:45,420 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:41:45,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:41:45" (1/1) ... [2018-12-09 17:41:45,422 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 09.12 05:41:45, skipping insertion in model container [2018-12-09 17:41:45,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:41:45" (1/1) ... [2018-12-09 17:41:45,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:41:45,439 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:41:45,532 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:41:45,535 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:41:45,547 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:41:45,556 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:41:45,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:45 WrapperNode [2018-12-09 17:41:45,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:41:45,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:41:45,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:41:45,557 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:41:45,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:45" (1/1) ... [2018-12-09 17:41:45,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:45" (1/1) ... [2018-12-09 17:41:45,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:41:45,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:41:45,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:41:45,571 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:41:45,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:45" (1/1) ... [2018-12-09 17:41:45,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:45" (1/1) ... [2018-12-09 17:41:45,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:45" (1/1) ... [2018-12-09 17:41:45,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:45" (1/1) ... [2018-12-09 17:41:45,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:45" (1/1) ... [2018-12-09 17:41:45,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:45" (1/1) ... [2018-12-09 17:41:45,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:45" (1/1) ... [2018-12-09 17:41:45,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:41:45,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:41:45,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:41:45,586 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:41:45,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/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 [2018-12-09 17:41:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 17:41:45,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 17:41:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-09 17:41:45,652 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-09 17:41:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:41:45,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:41:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-12-09 17:41:45,652 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-12-09 17:41:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 17:41:45,653 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 17:41:50,810 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:41:50,810 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 17:41:50,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:41:50 BoogieIcfgContainer [2018-12-09 17:41:50,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:41:50,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 17:41:50,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 17:41:50,812 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 17:41:50,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:41:45" (1/3) ... [2018-12-09 17:41:50,813 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 09.12 05:41:50, skipping insertion in model container [2018-12-09 17:41:50,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:45" (2/3) ... [2018-12-09 17:41:50,813 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 09.12 05:41:50, skipping insertion in model container [2018-12-09 17:41:50,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:41:50" (3/3) ... [2018-12-09 17:41:50,814 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_5_false-unreach-call_true-termination.i [2018-12-09 17:41:50,820 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 17:41:50,824 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 17:41:50,832 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 17:41:50,849 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 17:41:50,850 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 17:41:50,850 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 17:41:50,850 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 17:41:50,850 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 17:41:50,850 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 17:41:50,850 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 17:41:50,850 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 17:41:50,850 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 17:41:50,860 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-12-09 17:41:50,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 17:41:50,863 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:41:50,863 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:41:50,865 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:41:50,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:41:50,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1667394832, now seen corresponding path program 1 times [2018-12-09 17:41:50,870 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 17:41:50,870 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/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 [2018-12-09 17:41:50,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:41:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 17:43:04,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 17:43:04,790 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 17:43:04,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:43:04 BoogieIcfgContainer [2018-12-09 17:43:04,810 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 17:43:04,811 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:43:04,811 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:43:04,811 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:43:04,811 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:41:50" (3/4) ... [2018-12-09 17:43:04,813 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 17:43:04,836 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f908e3d1-3bff-4fca-b86c-1e2a08ed33ba/bin-2019/utaipan/witness.graphml [2018-12-09 17:43:04,836 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:43:04,837 INFO L168 Benchmark]: Toolchain (without parser) took 79420.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -145.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:43:04,838 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. [2018-12-09 17:43:04,838 INFO L168 Benchmark]: CACSL2BoogieTranslator took 138.70 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. [2018-12-09 17:43:04,838 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.76 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. [2018-12-09 17:43:04,838 INFO L168 Benchmark]: Boogie Preprocessor took 14.96 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. [2018-12-09 17:43:04,839 INFO L168 Benchmark]: RCFGBuilder took 5224.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -187.6 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-09 17:43:04,839 INFO L168 Benchmark]: TraceAbstraction took 73999.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-12-09 17:43:04,839 INFO L168 Benchmark]: Witness Printer took 25.78 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. [2018-12-09 17:43:04,841 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 138.70 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.76 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 14.96 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 5224.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -187.6 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 73999.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Witness Printer took 25.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 28]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=-0.9821161031723022] [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)=-0.9821161031723022, \result=-0.8320216536521912, x=-0.9821161031723022] [L19] RET, EXPR f(IN) VAL [f(IN)=-0.8320216536521912, IN=-0.9821161031723022] [L19] CALL, EXPR fp(IN) VAL [\old(x)=-0.9821161031723022] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-0.9821161031723022, \result=0.5577353239059448, x=-0.9821161031723022] [L19] RET, EXPR fp(IN) VAL [f(IN)=-0.8320216536521912, fp(IN)=0.5577353239059448, IN=-0.9821161031723022] [L19] float x = IN - f(IN)/fp(IN); [L27] COND TRUE !(x < 0.1) VAL [IN=-0.9821161031723022, x=0.5096697807312012] [L28] __VERIFIER_error() VAL [IN=-0.9821161031723022, x=0.5096697807312012] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. UNSAFE Result, 73.9s 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, 3.0s 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 proved your program to be incorrect! Received shutdown request...