./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_7_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_7_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/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 70fe3c899c400d059184c32a286d7d2375d5f495 ................................................................................................................................................................................................................................................. 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_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_7_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/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 70fe3c899c400d059184c32a286d7d2375d5f495 ................................................................................................................................................................................................................................................ 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 0.1.23-5842f4b [2018-11-18 17:44:34,325 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:44:34,326 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:44:34,332 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:44:34,333 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:44:34,333 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:44:34,334 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:44:34,335 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:44:34,336 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:44:34,337 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:44:34,337 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:44:34,337 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:44:34,338 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:44:34,339 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:44:34,339 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:44:34,340 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:44:34,341 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:44:34,342 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:44:34,343 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:44:34,352 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:44:34,353 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:44:34,354 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:44:34,355 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:44:34,355 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:44:34,355 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:44:34,356 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:44:34,357 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:44:34,357 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:44:34,358 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:44:34,358 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:44:34,358 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:44:34,359 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:44:34,359 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:44:34,359 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:44:34,360 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:44:34,360 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:44:34,360 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:44:34,369 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:44:34,369 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:44:34,370 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:44:34,370 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:44:34,370 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:44:34,370 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:44:34,370 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:44:34,370 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:44:34,370 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:44:34,370 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:44:34,370 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:44:34,371 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:44:34,371 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:44:34,371 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:44:34,371 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:44:34,371 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:44:34,371 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:44:34,372 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:44:34,373 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:44:34,373 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:44:34,373 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:44:34,373 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:44:34,373 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:44:34,373 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:44:34,373 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:44:34,373 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:44:34,373 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:44:34,374 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:44:34,374 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:44:34,374 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:44:34,374 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:44:34,374 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:44:34,374 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:44:34,374 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:44:34,374 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:44:34,374 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:44:34,374 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:44:34,374 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_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/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 -> 70fe3c899c400d059184c32a286d7d2375d5f495 [2018-11-18 17:44:34,397 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:44:34,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:44:34,406 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:44:34,407 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:44:34,407 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:44:34,408 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_1_7_false-unreach-call_true-termination.i [2018-11-18 17:44:34,441 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/bin-2019/utaipan/data/749c6ee10/945ab5086d8c4920a19ef327406389b8/FLAG2c84838ce [2018-11-18 17:44:34,764 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:44:34,764 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/sv-benchmarks/c/floats-cdfpl/newton_1_7_false-unreach-call_true-termination.i [2018-11-18 17:44:34,768 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/bin-2019/utaipan/data/749c6ee10/945ab5086d8c4920a19ef327406389b8/FLAG2c84838ce [2018-11-18 17:44:35,206 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/bin-2019/utaipan/data/749c6ee10/945ab5086d8c4920a19ef327406389b8 [2018-11-18 17:44:35,209 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:44:35,210 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:44:35,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:44:35,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:44:35,214 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:44:35,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:44:35" (1/1) ... [2018-11-18 17:44:35,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51d0d35e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:44:35, skipping insertion in model container [2018-11-18 17:44:35,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:44:35" (1/1) ... [2018-11-18 17:44:35,224 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:44:35,237 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:44:35,334 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:44:35,336 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:44:35,348 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:44:35,357 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:44:35,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:44:35 WrapperNode [2018-11-18 17:44:35,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:44:35,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:44:35,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:44:35,359 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:44:35,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:44:35" (1/1) ... [2018-11-18 17:44:35,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:44:35" (1/1) ... [2018-11-18 17:44:35,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:44:35,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:44:35,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:44:35,371 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:44:35,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:44:35" (1/1) ... [2018-11-18 17:44:35,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:44:35" (1/1) ... [2018-11-18 17:44:35,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:44:35" (1/1) ... [2018-11-18 17:44:35,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:44:35" (1/1) ... [2018-11-18 17:44:35,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:44:35" (1/1) ... [2018-11-18 17:44:35,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:44:35" (1/1) ... [2018-11-18 17:44:35,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:44:35" (1/1) ... [2018-11-18 17:44:35,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:44:35,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:44:35,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:44:35,384 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:44:35,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:44:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:44:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:44:35,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:44:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-18 17:44:35,466 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-18 17:44:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:44:35,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:44:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-11-18 17:44:35,466 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-11-18 17:44:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:44:35,466 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:44:35,557 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:44:35,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:44:35 BoogieIcfgContainer [2018-11-18 17:44:35,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:44:35,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:44:35,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:44:35,562 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:44:35,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:44:35" (1/3) ... [2018-11-18 17:44:35,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a8550d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:44:35, skipping insertion in model container [2018-11-18 17:44:35,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:44:35" (2/3) ... [2018-11-18 17:44:35,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a8550d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:44:35, skipping insertion in model container [2018-11-18 17:44:35,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:44:35" (3/3) ... [2018-11-18 17:44:35,566 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_7_false-unreach-call_true-termination.i [2018-11-18 17:44:35,573 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:44:35,579 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:44:35,592 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:44:35,617 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:44:35,617 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:44:35,617 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:44:35,617 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:44:35,617 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:44:35,617 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:44:35,617 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:44:35,617 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:44:35,630 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-11-18 17:44:35,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 17:44:35,635 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:44:35,635 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:44:35,637 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:44:35,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:44:35,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1667394832, now seen corresponding path program 1 times [2018-11-18 17:44:35,643 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:44:35,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:44:35,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:44:35,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:44:35,682 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:44:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:44:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:44:35,721 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 17:44:35,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:44:35 BoogieIcfgContainer [2018-11-18 17:44:35,736 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:44:35,736 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:44:35,737 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:44:35,737 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:44:35,737 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:44:35" (3/4) ... [2018-11-18 17:44:35,739 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 17:44:35,739 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:44:35,740 INFO L168 Benchmark]: Toolchain (without parser) took 530.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 953.8 MB in the beginning and 1.1 GB in the end (delta: -155.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:44:35,741 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:44:35,741 INFO L168 Benchmark]: CACSL2BoogieTranslator took 147.47 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:44:35,741 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.22 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:44:35,742 INFO L168 Benchmark]: Boogie Preprocessor took 13.14 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:44:35,742 INFO L168 Benchmark]: RCFGBuilder took 173.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:44:35,743 INFO L168 Benchmark]: TraceAbstraction took 177.92 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:44:35,743 INFO L168 Benchmark]: Witness Printer took 2.68 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. [2018-11-18 17:44:35,746 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 147.47 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 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 12.22 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.14 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 173.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 177.92 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.68 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] RET return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=2, x=2] [L19] EXPR f(IN) VAL [f(IN)=1, IN=2] [L19] CALL, EXPR fp(IN) VAL [\old(x)=2] [L11] RET return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=2, x=2] [L19] EXPR fp(IN) VAL [f(IN)=1, fp(IN)=0, IN=2] [L19] float x = IN - f(IN)/fp(IN); [L27] COND TRUE !(x < 0.1) VAL [IN=2] [L28] __VERIFIER_error() VAL [IN=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 17:44:37,139 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:44:37,140 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:44:37,149 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:44:37,149 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:44:37,150 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:44:37,151 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:44:37,152 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:44:37,153 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:44:37,154 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:44:37,154 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:44:37,154 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:44:37,155 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:44:37,156 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:44:37,157 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:44:37,157 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:44:37,158 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:44:37,159 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:44:37,161 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:44:37,162 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:44:37,163 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:44:37,164 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:44:37,166 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:44:37,166 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:44:37,166 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:44:37,167 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:44:37,167 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:44:37,168 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:44:37,169 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:44:37,170 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:44:37,170 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:44:37,170 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:44:37,170 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:44:37,170 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:44:37,171 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:44:37,172 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:44:37,172 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 17:44:37,183 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:44:37,183 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:44:37,184 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:44:37,184 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:44:37,184 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:44:37,184 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:44:37,184 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:44:37,184 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:44:37,185 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:44:37,185 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:44:37,185 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:44:37,185 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:44:37,185 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:44:37,186 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:44:37,186 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:44:37,186 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:44:37,186 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:44:37,186 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 17:44:37,186 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 17:44:37,186 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:44:37,186 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:44:37,187 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:44:37,187 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:44:37,187 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:44:37,187 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:44:37,187 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:44:37,187 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:44:37,187 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:44:37,188 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:44:37,190 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:44:37,190 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:44:37,190 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 17:44:37,190 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:44:37,191 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 17:44:37,191 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 17:44:37,191 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_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/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 -> 70fe3c899c400d059184c32a286d7d2375d5f495 [2018-11-18 17:44:37,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:44:37,232 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:44:37,234 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:44:37,235 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:44:37,236 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:44:37,236 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_1_7_false-unreach-call_true-termination.i [2018-11-18 17:44:37,278 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/bin-2019/utaipan/data/6d81623aa/2177281e312240199f31275042424f90/FLAG79c76e76d [2018-11-18 17:44:37,660 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:44:37,660 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/sv-benchmarks/c/floats-cdfpl/newton_1_7_false-unreach-call_true-termination.i [2018-11-18 17:44:37,663 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/bin-2019/utaipan/data/6d81623aa/2177281e312240199f31275042424f90/FLAG79c76e76d [2018-11-18 17:44:37,671 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/bin-2019/utaipan/data/6d81623aa/2177281e312240199f31275042424f90 [2018-11-18 17:44:37,673 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:44:37,674 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:44:37,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:44:37,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:44:37,676 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:44:37,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:44:37" (1/1) ... [2018-11-18 17:44:37,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c4bf9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:44:37, skipping insertion in model container [2018-11-18 17:44:37,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:44:37" (1/1) ... [2018-11-18 17:44:37,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:44:37,697 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:44:37,824 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:44:37,828 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:44:37,842 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:44:37,852 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:44:37,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:44:37 WrapperNode [2018-11-18 17:44:37,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:44:37,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:44:37,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:44:37,853 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:44:37,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:44:37" (1/1) ... [2018-11-18 17:44:37,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:44:37" (1/1) ... [2018-11-18 17:44:37,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:44:37,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:44:37,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:44:37,866 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:44:37,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:44:37" (1/1) ... [2018-11-18 17:44:37,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:44:37" (1/1) ... [2018-11-18 17:44:37,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:44:37" (1/1) ... [2018-11-18 17:44:37,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:44:37" (1/1) ... [2018-11-18 17:44:37,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:44:37" (1/1) ... [2018-11-18 17:44:37,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:44:37" (1/1) ... [2018-11-18 17:44:37,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:44:37" (1/1) ... [2018-11-18 17:44:37,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:44:37,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:44:37,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:44:37,884 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:44:37,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:44:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:44:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:44:37,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:44:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-18 17:44:37,954 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-18 17:44:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:44:37,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:44:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-11-18 17:44:37,954 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-11-18 17:44:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:44:37,954 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:44:43,038 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:44:43,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:44:43 BoogieIcfgContainer [2018-11-18 17:44:43,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:44:43,039 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:44:43,040 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:44:43,042 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:44:43,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:44:37" (1/3) ... [2018-11-18 17:44:43,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53ce1db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:44:43, skipping insertion in model container [2018-11-18 17:44:43,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:44:37" (2/3) ... [2018-11-18 17:44:43,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53ce1db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:44:43, skipping insertion in model container [2018-11-18 17:44:43,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:44:43" (3/3) ... [2018-11-18 17:44:43,045 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_7_false-unreach-call_true-termination.i [2018-11-18 17:44:43,052 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:44:43,058 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:44:43,069 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:44:43,091 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 17:44:43,092 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:44:43,092 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:44:43,092 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:44:43,092 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:44:43,092 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:44:43,092 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:44:43,092 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:44:43,092 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:44:43,102 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-11-18 17:44:43,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 17:44:43,105 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:44:43,106 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:44:43,107 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:44:43,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:44:43,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1667394832, now seen corresponding path program 1 times [2018-11-18 17:44:43,112 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 17:44:43,113 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-18 17:44:43,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:44:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:48:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:48:51,330 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 17:48:51,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:48:51 BoogieIcfgContainer [2018-11-18 17:48:51,355 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:48:51,356 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:48:51,356 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:48:51,356 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:48:51,356 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:44:43" (3/4) ... [2018-11-18 17:48:51,358 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 17:48:51,386 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cb2c42be-f67a-44da-8d05-0fcf1ab45fd9/bin-2019/utaipan/witness.graphml [2018-11-18 17:48:51,386 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:48:51,386 INFO L168 Benchmark]: Toolchain (without parser) took 253713.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -104.5 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:48:51,387 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:48:51,388 INFO L168 Benchmark]: CACSL2BoogieTranslator took 178.33 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:48:51,388 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.33 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:48:51,388 INFO L168 Benchmark]: Boogie Preprocessor took 17.69 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:48:51,389 INFO L168 Benchmark]: RCFGBuilder took 5154.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -139.5 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:48:51,389 INFO L168 Benchmark]: TraceAbstraction took 248315.99 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: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:48:51,390 INFO L168 Benchmark]: Witness Printer took 30.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:48:51,392 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 178.33 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.1 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 13.33 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.69 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 5154.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -139.5 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 248315.99 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: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * Witness Printer took 30.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 28]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=-0.7177577614784241] [L6] RET return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=-0.7177577614784241, \result=-0.65773606300354, x=-0.7177577614784241] [L19] EXPR f(IN) VAL [f(IN)=-0.65773606300354, IN=-0.7177577614784241] [L19] CALL, EXPR fp(IN) VAL [\old(x)=-0.7177577614784241] [L11] RET return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-0.7177577614784241, \result=0.7536604404449463, x=-0.7177577614784241] [L19] EXPR fp(IN) VAL [f(IN)=-0.65773606300354, fp(IN)=0.7536604404449463, IN=-0.7177577614784241] [L19] float x = IN - f(IN)/fp(IN); [L27] COND TRUE !(x < 0.1) VAL [IN=-0.7177577614784241, x=0.15496426820755005] [L28] __VERIFIER_error() VAL [IN=-0.7177577614784241, x=0.15496426820755005] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. UNSAFE Result, 248.2s 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, 11.4s 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...