./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_6_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_6_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/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 681fb6d62502cf59ef295360f3a46fc8f0826056 .......................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_6_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/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 681fb6d62502cf59ef295360f3a46fc8f0826056 .............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:02:09,584 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:02:09,585 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:02:09,593 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:02:09,593 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:02:09,594 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:02:09,595 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:02:09,596 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:02:09,597 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:02:09,598 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:02:09,599 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:02:09,599 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:02:09,599 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:02:09,600 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:02:09,602 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:02:09,602 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:02:09,603 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:02:09,604 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:02:09,605 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:02:09,607 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:02:09,607 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:02:09,608 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:02:09,610 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:02:09,611 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:02:09,611 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:02:09,611 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:02:09,612 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:02:09,613 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:02:09,613 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:02:09,614 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:02:09,614 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:02:09,614 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:02:09,614 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:02:09,614 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:02:09,615 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:02:09,615 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:02:09,616 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:02:09,623 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:02:09,623 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:02:09,623 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:02:09,624 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:02:09,624 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:02:09,624 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:02:09,624 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:02:09,625 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:02:09,625 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:02:09,625 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:02:09,625 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:02:09,625 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:02:09,625 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:02:09,626 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:02:09,626 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:02:09,626 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:02:09,626 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:02:09,626 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:02:09,626 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:02:09,626 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:02:09,627 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:02:09,627 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:02:09,627 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:02:09,627 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:02:09,627 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:02:09,627 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:02:09,628 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:02:09,628 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:02:09,628 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:02:09,628 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:02:09,628 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_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/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 -> 681fb6d62502cf59ef295360f3a46fc8f0826056 [2018-11-28 11:02:09,654 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:02:09,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:02:09,667 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:02:09,668 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:02:09,669 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:02:09,669 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/newton_1_6_false-unreach-call_true-termination.i [2018-11-28 11:02:09,713 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/bin-2019/uautomizer/data/e68614902/7b094fbbc28f4b168f61e7a03cdb1e59/FLAG6dc6bda66 [2018-11-28 11:02:10,072 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:02:10,073 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/sv-benchmarks/c/floats-cdfpl/newton_1_6_false-unreach-call_true-termination.i [2018-11-28 11:02:10,077 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/bin-2019/uautomizer/data/e68614902/7b094fbbc28f4b168f61e7a03cdb1e59/FLAG6dc6bda66 [2018-11-28 11:02:10,490 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/bin-2019/uautomizer/data/e68614902/7b094fbbc28f4b168f61e7a03cdb1e59 [2018-11-28 11:02:10,493 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:02:10,494 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:02:10,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:02:10,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:02:10,498 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:02:10,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:02:10" (1/1) ... [2018-11-28 11:02:10,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ebfdb47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:10, skipping insertion in model container [2018-11-28 11:02:10,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:02:10" (1/1) ... [2018-11-28 11:02:10,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:02:10,521 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:02:10,631 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:02:10,634 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:02:10,646 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:02:10,655 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:02:10,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:10 WrapperNode [2018-11-28 11:02:10,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:02:10,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:02:10,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:02:10,656 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:02:10,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:10" (1/1) ... [2018-11-28 11:02:10,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:10" (1/1) ... [2018-11-28 11:02:10,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:02:10,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:02:10,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:02:10,677 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:02:10,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:10" (1/1) ... [2018-11-28 11:02:10,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:10" (1/1) ... [2018-11-28 11:02:10,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:10" (1/1) ... [2018-11-28 11:02:10,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:10" (1/1) ... [2018-11-28 11:02:10,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:10" (1/1) ... [2018-11-28 11:02:10,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:10" (1/1) ... [2018-11-28 11:02:10,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:10" (1/1) ... [2018-11-28 11:02:10,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:02:10,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:02:10,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:02:10,697 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:02:10,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/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 [2018-11-28 11:02:10,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:02:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:02:10,797 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 11:02:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 11:02:10,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:02:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:02:10,798 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-11-28 11:02:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-11-28 11:02:10,798 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:02:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:02:10,922 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:02:10,923 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 11:02:10,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:02:10 BoogieIcfgContainer [2018-11-28 11:02:10,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:02:10,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:02:10,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:02:10,926 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:02:10,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:02:10" (1/3) ... [2018-11-28 11:02:10,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2569a68e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:02:10, skipping insertion in model container [2018-11-28 11:02:10,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:10" (2/3) ... [2018-11-28 11:02:10,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2569a68e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:02:10, skipping insertion in model container [2018-11-28 11:02:10,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:02:10" (3/3) ... [2018-11-28 11:02:10,929 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_6_false-unreach-call_true-termination.i [2018-11-28 11:02:10,939 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:02:10,946 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:02:10,962 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:02:10,989 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:02:10,989 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:02:10,989 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:02:10,989 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:02:10,990 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:02:10,990 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:02:10,990 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:02:10,990 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:02:10,990 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:02:11,005 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-11-28 11:02:11,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-28 11:02:11,011 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:02:11,012 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:02:11,014 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:02:11,019 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:02:11,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1667394832, now seen corresponding path program 1 times [2018-11-28 11:02:11,021 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:02:11,021 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:02:11,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:02:11,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:02:11,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:02:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:02:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:02:11,124 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 11:02:11,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:02:11 BoogieIcfgContainer [2018-11-28 11:02:11,148 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:02:11,149 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:02:11,149 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:02:11,149 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:02:11,150 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:02:10" (3/4) ... [2018-11-28 11:02:11,153 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 11:02:11,154 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:02:11,154 INFO L168 Benchmark]: Toolchain (without parser) took 660.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -153.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:02:11,156 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:02:11,156 INFO L168 Benchmark]: CACSL2BoogieTranslator took 160.92 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:02:11,157 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.16 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:02:11,157 INFO L168 Benchmark]: Boogie Preprocessor took 20.51 ms. Allocated memory is still 1.0 GB. Free memory was 945.3 MB in the beginning and 939.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:02:11,158 INFO L168 Benchmark]: RCFGBuilder took 225.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:02:11,159 INFO L168 Benchmark]: TraceAbstraction took 225.14 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:02:11,159 INFO L168 Benchmark]: Witness Printer took 4.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:02:11,162 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 160.92 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 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 20.16 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.51 ms. Allocated memory is still 1.0 GB. Free memory was 945.3 MB in the beginning and 939.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 225.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 225.14 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 0.1.23-0cd3be1 [2018-11-28 11:02:12,707 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:02:12,708 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:02:12,717 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:02:12,717 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:02:12,718 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:02:12,719 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:02:12,720 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:02:12,721 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:02:12,722 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:02:12,722 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:02:12,722 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:02:12,723 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:02:12,724 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:02:12,724 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:02:12,725 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:02:12,726 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:02:12,727 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:02:12,728 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:02:12,729 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:02:12,730 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:02:12,730 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:02:12,732 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:02:12,732 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:02:12,732 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:02:12,733 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:02:12,734 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:02:12,734 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:02:12,735 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:02:12,736 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:02:12,736 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:02:12,736 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:02:12,736 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:02:12,737 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:02:12,737 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:02:12,738 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:02:12,738 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 11:02:12,748 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:02:12,748 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:02:12,749 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:02:12,749 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:02:12,749 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:02:12,749 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:02:12,750 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:02:12,750 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:02:12,750 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:02:12,750 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:02:12,750 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:02:12,750 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:02:12,750 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:02:12,750 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:02:12,751 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 11:02:12,751 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 11:02:12,751 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:02:12,751 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:02:12,751 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:02:12,751 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:02:12,751 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:02:12,751 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:02:12,751 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:02:12,752 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:02:12,752 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:02:12,752 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:02:12,752 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:02:12,752 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:02:12,752 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 11:02:12,752 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:02:12,752 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 11:02:12,753 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 11:02:12,753 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_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/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 -> 681fb6d62502cf59ef295360f3a46fc8f0826056 [2018-11-28 11:02:12,781 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:02:12,792 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:02:12,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:02:12,796 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:02:12,797 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:02:12,798 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/newton_1_6_false-unreach-call_true-termination.i [2018-11-28 11:02:12,853 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/bin-2019/uautomizer/data/4f3020926/1d75a8e12c9c4eeb93d004d93e3c0fdd/FLAG39a42201a [2018-11-28 11:02:13,222 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:02:13,223 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/sv-benchmarks/c/floats-cdfpl/newton_1_6_false-unreach-call_true-termination.i [2018-11-28 11:02:13,228 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/bin-2019/uautomizer/data/4f3020926/1d75a8e12c9c4eeb93d004d93e3c0fdd/FLAG39a42201a [2018-11-28 11:02:13,239 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/bin-2019/uautomizer/data/4f3020926/1d75a8e12c9c4eeb93d004d93e3c0fdd [2018-11-28 11:02:13,242 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:02:13,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:02:13,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:02:13,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:02:13,247 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:02:13,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:02:13" (1/1) ... [2018-11-28 11:02:13,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@959d922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:13, skipping insertion in model container [2018-11-28 11:02:13,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:02:13" (1/1) ... [2018-11-28 11:02:13,256 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:02:13,269 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:02:13,400 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:02:13,405 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:02:13,423 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:02:13,436 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:02:13,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:13 WrapperNode [2018-11-28 11:02:13,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:02:13,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:02:13,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:02:13,438 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:02:13,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:13" (1/1) ... [2018-11-28 11:02:13,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:13" (1/1) ... [2018-11-28 11:02:13,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:02:13,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:02:13,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:02:13,458 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:02:13,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:13" (1/1) ... [2018-11-28 11:02:13,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:13" (1/1) ... [2018-11-28 11:02:13,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:13" (1/1) ... [2018-11-28 11:02:13,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:13" (1/1) ... [2018-11-28 11:02:13,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:13" (1/1) ... [2018-11-28 11:02:13,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:13" (1/1) ... [2018-11-28 11:02:13,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:13" (1/1) ... [2018-11-28 11:02:13,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:02:13,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:02:13,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:02:13,483 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:02:13,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/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 [2018-11-28 11:02:13,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:02:13,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:02:13,582 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 11:02:13,582 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 11:02:13,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:02:13,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:02:13,583 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-11-28 11:02:13,583 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-11-28 11:02:13,583 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:02:13,583 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:02:19,260 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:02:19,261 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 11:02:19,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:02:19 BoogieIcfgContainer [2018-11-28 11:02:19,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:02:19,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:02:19,262 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:02:19,266 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:02:19,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:02:13" (1/3) ... [2018-11-28 11:02:19,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79aba067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:02:19, skipping insertion in model container [2018-11-28 11:02:19,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:13" (2/3) ... [2018-11-28 11:02:19,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79aba067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:02:19, skipping insertion in model container [2018-11-28 11:02:19,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:02:19" (3/3) ... [2018-11-28 11:02:19,269 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_6_false-unreach-call_true-termination.i [2018-11-28 11:02:19,277 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:02:19,284 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:02:19,301 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:02:19,324 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:02:19,324 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:02:19,325 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:02:19,325 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:02:19,325 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:02:19,325 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:02:19,326 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:02:19,326 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:02:19,326 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:02:19,344 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-11-28 11:02:19,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-28 11:02:19,349 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:02:19,350 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:02:19,352 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:02:19,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:02:19,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1667394832, now seen corresponding path program 1 times [2018-11-28 11:02:19,359 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 11:02:19,360 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/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 [2018-11-28 11:02:19,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:03:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:03:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:03:12,408 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 11:03:12,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:03:12 BoogieIcfgContainer [2018-11-28 11:03:12,435 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:03:12,435 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:03:12,435 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:03:12,436 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:03:12,436 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:02:19" (3/4) ... [2018-11-28 11:03:12,438 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 11:03:12,467 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c9b0d5cd-c55a-4b8b-a2a5-875371b4cff4/bin-2019/uautomizer/witness.graphml [2018-11-28 11:03:12,467 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:03:12,468 INFO L168 Benchmark]: Toolchain (without parser) took 59225.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -146.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:03:12,468 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-11-28 11:03:12,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 193.50 ms. Allocated memory is still 1.0 GB. Free memory was 946.1 MB in the beginning and 935.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:03:12,469 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.35 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:03:12,470 INFO L168 Benchmark]: Boogie Preprocessor took 25.08 ms. Allocated memory is still 1.0 GB. Free memory was 935.3 MB in the beginning and 930.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:03:12,470 INFO L168 Benchmark]: RCFGBuilder took 5778.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 930.0 MB in the beginning and 1.1 GB in the end (delta: -182.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:03:12,471 INFO L168 Benchmark]: TraceAbstraction took 53173.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:03:12,471 INFO L168 Benchmark]: Witness Printer took 31.87 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. [2018-11-28 11:03:12,474 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 193.50 ms. Allocated memory is still 1.0 GB. Free memory was 946.1 MB in the beginning and 935.3 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 19.35 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.08 ms. Allocated memory is still 1.0 GB. Free memory was 935.3 MB in the beginning and 930.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5778.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 930.0 MB in the beginning and 1.1 GB in the end (delta: -182.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 53173.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Witness Printer took 31.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 28]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=-0.7896420359611511] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=-0.7896420359611511, \result=-0.7101768851280212, x=-0.7896420359611511] [L19] RET, EXPR f(IN) VAL [f(IN)=-0.7101768851280212, IN=-0.7896420359611511] [L19] CALL, EXPR fp(IN) VAL [\old(x)=-0.7896420359611511] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-0.7896420359611511, \result=0.7047692537307739, x=-0.7896420359611511] [L19] RET, EXPR fp(IN) VAL [f(IN)=-0.7101768851280212, fp(IN)=0.7047692537307739, IN=-0.7896420359611511] [L19] float x = IN - f(IN)/fp(IN); [L27] COND TRUE !(x < 0.1) VAL [IN=-0.7896420359611511, x=0.2180308699607849] [L28] __VERIFIER_error() VAL [IN=-0.7896420359611511, x=0.2180308699607849] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. UNSAFE Result, 53.1s 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, 50.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...