./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_4_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_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_4_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80e6cba3a638c96413a46f146860cf66cd7d52ab .................................................................................................................................................................................................................................................. 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_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_4_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80e6cba3a638c96413a46f146860cf66cd7d52ab ...................................................................................................................................................................................................................................................... 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 [2018-12-01 21:54:28,446 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 21:54:28,447 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 21:54:28,453 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 21:54:28,453 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 21:54:28,454 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 21:54:28,455 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 21:54:28,455 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 21:54:28,456 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 21:54:28,457 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 21:54:28,457 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 21:54:28,457 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 21:54:28,458 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 21:54:28,458 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 21:54:28,459 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 21:54:28,459 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 21:54:28,459 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 21:54:28,460 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 21:54:28,461 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 21:54:28,462 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 21:54:28,462 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 21:54:28,463 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 21:54:28,464 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 21:54:28,464 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 21:54:28,464 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 21:54:28,465 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 21:54:28,465 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 21:54:28,466 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 21:54:28,466 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 21:54:28,467 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 21:54:28,467 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 21:54:28,467 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 21:54:28,467 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 21:54:28,467 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 21:54:28,468 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 21:54:28,468 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 21:54:28,468 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 21:54:28,475 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 21:54:28,475 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 21:54:28,475 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 21:54:28,476 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 21:54:28,476 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 21:54:28,476 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 21:54:28,476 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 21:54:28,476 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 21:54:28,477 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 21:54:28,477 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 21:54:28,477 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 21:54:28,477 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 21:54:28,477 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 21:54:28,477 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 21:54:28,477 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 21:54:28,477 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 21:54:28,478 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 21:54:28,478 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 21:54:28,478 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 21:54:28,478 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 21:54:28,478 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 21:54:28,478 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 21:54:28,478 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 21:54:28,478 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 21:54:28,479 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 21:54:28,479 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 21:54:28,479 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 21:54:28,479 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 21:54:28,479 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 21:54:28,479 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 21:54:28,479 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_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80e6cba3a638c96413a46f146860cf66cd7d52ab [2018-12-01 21:54:28,497 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 21:54:28,506 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 21:54:28,509 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 21:54:28,510 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 21:54:28,510 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 21:54:28,510 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/newton_1_4_false-unreach-call_true-termination.i [2018-12-01 21:54:28,553 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer/data/272acaabb/90e06698098d4ca8b4b9d543a23bc06d/FLAG068672062 [2018-12-01 21:54:28,895 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 21:54:28,895 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a67d8be0-41ac-4223-8c99-44703644059e/sv-benchmarks/c/floats-cdfpl/newton_1_4_false-unreach-call_true-termination.i [2018-12-01 21:54:28,899 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer/data/272acaabb/90e06698098d4ca8b4b9d543a23bc06d/FLAG068672062 [2018-12-01 21:54:28,907 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer/data/272acaabb/90e06698098d4ca8b4b9d543a23bc06d [2018-12-01 21:54:28,908 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 21:54:28,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 21:54:28,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 21:54:28,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 21:54:28,912 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 21:54:28,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:54:28" (1/1) ... [2018-12-01 21:54:28,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dd63051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:54:28, skipping insertion in model container [2018-12-01 21:54:28,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:54:28" (1/1) ... [2018-12-01 21:54:28,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 21:54:28,926 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 21:54:29,011 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 21:54:29,013 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 21:54:29,024 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 21:54:29,031 INFO L195 MainTranslator]: Completed translation [2018-12-01 21:54:29,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:54:29 WrapperNode [2018-12-01 21:54:29,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 21:54:29,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 21:54:29,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 21:54:29,032 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 21:54:29,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:54:29" (1/1) ... [2018-12-01 21:54:29,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:54:29" (1/1) ... [2018-12-01 21:54:29,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 21:54:29,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 21:54:29,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 21:54:29,045 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 21:54:29,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:54:29" (1/1) ... [2018-12-01 21:54:29,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:54:29" (1/1) ... [2018-12-01 21:54:29,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:54:29" (1/1) ... [2018-12-01 21:54:29,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:54:29" (1/1) ... [2018-12-01 21:54:29,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:54:29" (1/1) ... [2018-12-01 21:54:29,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:54:29" (1/1) ... [2018-12-01 21:54:29,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:54:29" (1/1) ... [2018-12-01 21:54:29,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 21:54:29,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 21:54:29,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 21:54:29,086 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 21:54:29,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:54:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer/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 [2018-12-01 21:54:29,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 21:54:29,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 21:54:29,129 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-01 21:54:29,129 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-01 21:54:29,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 21:54:29,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 21:54:29,129 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-12-01 21:54:29,129 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-12-01 21:54:29,129 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 21:54:29,130 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 21:54:29,203 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 21:54:29,203 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-01 21:54:29,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:54:29 BoogieIcfgContainer [2018-12-01 21:54:29,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 21:54:29,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 21:54:29,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 21:54:29,206 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 21:54:29,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 09:54:28" (1/3) ... [2018-12-01 21:54:29,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@682b7065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 09:54:29, skipping insertion in model container [2018-12-01 21:54:29,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:54:29" (2/3) ... [2018-12-01 21:54:29,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@682b7065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 09:54:29, skipping insertion in model container [2018-12-01 21:54:29,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:54:29" (3/3) ... [2018-12-01 21:54:29,208 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_4_false-unreach-call_true-termination.i [2018-12-01 21:54:29,214 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 21:54:29,218 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 21:54:29,227 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 21:54:29,244 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 21:54:29,245 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 21:54:29,245 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 21:54:29,245 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 21:54:29,245 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 21:54:29,245 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 21:54:29,245 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 21:54:29,245 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 21:54:29,245 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 21:54:29,256 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-12-01 21:54:29,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 21:54:29,259 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 21:54:29,260 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 21:54:29,261 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 21:54:29,264 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 21:54:29,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1667394832, now seen corresponding path program 1 times [2018-12-01 21:54:29,265 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 21:54:29,266 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 21:54:29,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 21:54:29,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 21:54:29,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 21:54:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 21:54:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 21:54:29,331 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-01 21:54:29,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 09:54:29 BoogieIcfgContainer [2018-12-01 21:54:29,347 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 21:54:29,347 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 21:54:29,347 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 21:54:29,347 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 21:54:29,348 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:54:29" (3/4) ... [2018-12-01 21:54:29,350 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 21:54:29,350 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 21:54:29,351 INFO L168 Benchmark]: Toolchain (without parser) took 441.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -106.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 21:54:29,352 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 21:54:29,352 INFO L168 Benchmark]: CACSL2BoogieTranslator took 122.29 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 21:54:29,352 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.09 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 21:54:29,353 INFO L168 Benchmark]: Boogie Preprocessor took 41.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -142.0 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-12-01 21:54:29,353 INFO L168 Benchmark]: RCFGBuilder took 117.65 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: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-12-01 21:54:29,354 INFO L168 Benchmark]: TraceAbstraction took 143.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-01 21:54:29,354 INFO L168 Benchmark]: Witness Printer took 2.98 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 21:54:29,356 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 122.29 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 12.09 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -142.0 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 117.65 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: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 143.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 2.98 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 28]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 17, overapproximation of someBinaryDOUBLEComparisonOperation at line 27, overapproximation of someBinaryArithmeticFLOAToperation at line 19. Possible FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=2] [L6] 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 [2018-12-01 21:54:30,713 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 21:54:30,714 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 21:54:30,720 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 21:54:30,720 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 21:54:30,721 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 21:54:30,722 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 21:54:30,723 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 21:54:30,724 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 21:54:30,725 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 21:54:30,725 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 21:54:30,725 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 21:54:30,726 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 21:54:30,726 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 21:54:30,727 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 21:54:30,727 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 21:54:30,727 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 21:54:30,728 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 21:54:30,729 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 21:54:30,730 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 21:54:30,731 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 21:54:30,732 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 21:54:30,733 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 21:54:30,733 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 21:54:30,734 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 21:54:30,734 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 21:54:30,735 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 21:54:30,735 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 21:54:30,735 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 21:54:30,736 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 21:54:30,736 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 21:54:30,737 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 21:54:30,737 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 21:54:30,737 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 21:54:30,738 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 21:54:30,738 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 21:54:30,738 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-01 21:54:30,748 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 21:54:30,748 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 21:54:30,749 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 21:54:30,749 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 21:54:30,749 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 21:54:30,749 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 21:54:30,749 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 21:54:30,750 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 21:54:30,750 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 21:54:30,750 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 21:54:30,750 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 21:54:30,750 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 21:54:30,750 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 21:54:30,751 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 21:54:30,751 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-01 21:54:30,751 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-01 21:54:30,751 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 21:54:30,751 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 21:54:30,751 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 21:54:30,752 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 21:54:30,752 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 21:54:30,752 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 21:54:30,752 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 21:54:30,752 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 21:54:30,752 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 21:54:30,752 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 21:54:30,753 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 21:54:30,753 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 21:54:30,753 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-01 21:54:30,753 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 21:54:30,753 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-01 21:54:30,753 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-01 21:54:30,753 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_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80e6cba3a638c96413a46f146860cf66cd7d52ab [2018-12-01 21:54:30,777 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 21:54:30,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 21:54:30,786 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 21:54:30,787 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 21:54:30,787 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 21:54:30,788 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/newton_1_4_false-unreach-call_true-termination.i [2018-12-01 21:54:30,822 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer/data/c3dedf02a/b84c46d288e944dba68491910db5430d/FLAG7e9a817d5 [2018-12-01 21:54:31,278 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 21:54:31,279 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a67d8be0-41ac-4223-8c99-44703644059e/sv-benchmarks/c/floats-cdfpl/newton_1_4_false-unreach-call_true-termination.i [2018-12-01 21:54:31,282 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer/data/c3dedf02a/b84c46d288e944dba68491910db5430d/FLAG7e9a817d5 [2018-12-01 21:54:31,290 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer/data/c3dedf02a/b84c46d288e944dba68491910db5430d [2018-12-01 21:54:31,291 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 21:54:31,292 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 21:54:31,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 21:54:31,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 21:54:31,295 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 21:54:31,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:54:31" (1/1) ... [2018-12-01 21:54:31,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e29c583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:54:31, skipping insertion in model container [2018-12-01 21:54:31,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:54:31" (1/1) ... [2018-12-01 21:54:31,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 21:54:31,310 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 21:54:31,397 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 21:54:31,400 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 21:54:31,412 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 21:54:31,420 INFO L195 MainTranslator]: Completed translation [2018-12-01 21:54:31,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:54:31 WrapperNode [2018-12-01 21:54:31,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 21:54:31,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 21:54:31,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 21:54:31,421 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 21:54:31,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:54:31" (1/1) ... [2018-12-01 21:54:31,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:54:31" (1/1) ... [2018-12-01 21:54:31,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 21:54:31,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 21:54:31,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 21:54:31,435 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 21:54:31,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:54:31" (1/1) ... [2018-12-01 21:54:31,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:54:31" (1/1) ... [2018-12-01 21:54:31,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:54:31" (1/1) ... [2018-12-01 21:54:31,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:54:31" (1/1) ... [2018-12-01 21:54:31,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:54:31" (1/1) ... [2018-12-01 21:54:31,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:54:31" (1/1) ... [2018-12-01 21:54:31,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:54:31" (1/1) ... [2018-12-01 21:54:31,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 21:54:31,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 21:54:31,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 21:54:31,450 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 21:54:31,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:54:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer/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 [2018-12-01 21:54:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 21:54:31,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 21:54:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-01 21:54:31,510 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-01 21:54:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 21:54:31,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 21:54:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-12-01 21:54:31,510 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-12-01 21:54:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 21:54:31,510 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 21:54:36,806 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 21:54:36,806 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-01 21:54:36,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:54:36 BoogieIcfgContainer [2018-12-01 21:54:36,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 21:54:36,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 21:54:36,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 21:54:36,809 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 21:54:36,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 09:54:31" (1/3) ... [2018-12-01 21:54:36,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d7dad14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 09:54:36, skipping insertion in model container [2018-12-01 21:54:36,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:54:31" (2/3) ... [2018-12-01 21:54:36,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d7dad14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 09:54:36, skipping insertion in model container [2018-12-01 21:54:36,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:54:36" (3/3) ... [2018-12-01 21:54:36,811 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_4_false-unreach-call_true-termination.i [2018-12-01 21:54:36,816 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 21:54:36,820 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 21:54:36,829 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 21:54:36,846 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 21:54:36,846 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 21:54:36,846 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 21:54:36,846 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 21:54:36,847 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 21:54:36,847 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 21:54:36,847 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 21:54:36,847 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 21:54:36,847 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 21:54:36,856 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-12-01 21:54:36,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 21:54:36,859 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 21:54:36,860 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 21:54:36,861 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 21:54:36,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 21:54:36,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1667394832, now seen corresponding path program 1 times [2018-12-01 21:54:36,867 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-01 21:54:36,867 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer/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 [2018-12-01 21:54:36,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 21:54:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 21:54:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 21:54:50,806 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-01 21:54:50,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 09:54:50 BoogieIcfgContainer [2018-12-01 21:54:50,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 21:54:50,832 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 21:54:50,832 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 21:54:50,832 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 21:54:50,833 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:54:36" (3/4) ... [2018-12-01 21:54:50,834 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-01 21:54:50,862 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a67d8be0-41ac-4223-8c99-44703644059e/bin-2019/uautomizer/witness.graphml [2018-12-01 21:54:50,862 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 21:54:50,862 INFO L168 Benchmark]: Toolchain (without parser) took 19570.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -109.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. [2018-12-01 21:54:50,863 INFO L168 Benchmark]: CDTParser took 0.13 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. [2018-12-01 21:54:50,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 127.98 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. [2018-12-01 21:54:50,864 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.85 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. [2018-12-01 21:54:50,864 INFO L168 Benchmark]: Boogie Preprocessor took 14.32 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. [2018-12-01 21:54:50,864 INFO L168 Benchmark]: RCFGBuilder took 5357.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -152.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-01 21:54:50,865 INFO L168 Benchmark]: TraceAbstraction took 14024.51 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: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2018-12-01 21:54:50,865 INFO L168 Benchmark]: Witness Printer took 29.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 21:54:50,868 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 127.98 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 13.85 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 14.32 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 5357.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -152.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14024.51 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: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Witness Printer took 29.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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)=-0.6982148289680481] [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)=-0.6982148289680481, \result=-0.64288330078125, x=-0.6982148289680481] [L19] RET, EXPR f(IN) VAL [f(IN)=-0.64288330078125, IN=-0.6982148289680481] [L19] CALL, EXPR fp(IN) VAL [\old(x)=-0.6982148289680481] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-0.6982148289680481, \result=0.7663114070892334, x=-0.6982148289680481] [L19] RET, EXPR fp(IN) VAL [f(IN)=-0.64288330078125, fp(IN)=0.7663114070892334, IN=-0.6982148289680481] [L19] float x = IN - f(IN)/fp(IN); [L27] COND TRUE !(x < 0.1) VAL [IN=-0.6982148289680481, x=0.14071732759475708] [L28] __VERIFIER_error() VAL [IN=-0.6982148289680481, x=0.14071732759475708] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. UNSAFE Result, 13.9s 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, 8.8s 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...