./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_57bbeeff-45d1-4958-8a22-5620b35db4d4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_57bbeeff-45d1-4958-8a22-5620b35db4d4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_57bbeeff-45d1-4958-8a22-5620b35db4d4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_57bbeeff-45d1-4958-8a22-5620b35db4d4/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_57bbeeff-45d1-4958-8a22-5620b35db4d4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_57bbeeff-45d1-4958-8a22-5620b35db4d4/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 1a235e961590504bf325ed48e961fbf72a0d83a1 ......................................................................................................................................................................................................................................................................... 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_57bbeeff-45d1-4958-8a22-5620b35db4d4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_57bbeeff-45d1-4958-8a22-5620b35db4d4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_57bbeeff-45d1-4958-8a22-5620b35db4d4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_57bbeeff-45d1-4958-8a22-5620b35db4d4/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_57bbeeff-45d1-4958-8a22-5620b35db4d4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_57bbeeff-45d1-4958-8a22-5620b35db4d4/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 1a235e961590504bf325ed48e961fbf72a0d83a1 ................................................................................................................................................................................................................................................................. 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 0.1.23-1dbac8b [2018-11-10 10:26:29,410 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:26:29,412 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:26:29,419 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:26:29,419 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:26:29,419 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:26:29,420 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:26:29,422 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:26:29,423 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:26:29,423 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:26:29,424 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:26:29,424 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:26:29,425 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:26:29,426 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:26:29,426 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:26:29,427 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:26:29,427 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:26:29,429 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:26:29,430 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:26:29,431 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:26:29,432 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:26:29,433 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:26:29,435 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:26:29,435 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:26:29,435 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:26:29,436 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:26:29,436 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:26:29,437 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:26:29,438 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:26:29,438 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:26:29,438 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:26:29,439 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:26:29,439 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:26:29,439 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:26:29,440 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:26:29,441 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:26:29,441 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_57bbeeff-45d1-4958-8a22-5620b35db4d4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 10:26:29,451 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:26:29,451 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:26:29,452 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:26:29,452 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:26:29,453 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:26:29,453 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:26:29,453 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 10:26:29,453 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:26:29,453 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:26:29,453 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:26:29,454 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:26:29,454 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:26:29,454 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:26:29,454 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:26:29,454 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:26:29,454 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:26:29,454 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:26:29,455 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:26:29,455 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:26:29,455 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 10:26:29,455 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:26:29,455 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 10:26:29,455 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:26:29,456 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:26:29,456 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:26:29,456 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:26:29,456 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 10:26:29,456 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:26:29,456 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:26:29,456 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_57bbeeff-45d1-4958-8a22-5620b35db4d4/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 -> 1a235e961590504bf325ed48e961fbf72a0d83a1 [2018-11-10 10:26:29,480 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:26:29,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:26:29,493 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:26:29,494 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:26:29,494 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:26:29,495 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_57bbeeff-45d1-4958-8a22-5620b35db4d4/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i [2018-11-10 10:26:29,540 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_57bbeeff-45d1-4958-8a22-5620b35db4d4/bin-2019/uautomizer/data/94f91f03b/664774bafab74b6eaf06dc84633ff71e/FLAGcbc884607 [2018-11-10 10:26:29,865 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:26:29,865 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_57bbeeff-45d1-4958-8a22-5620b35db4d4/sv-benchmarks/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i [2018-11-10 10:26:29,870 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_57bbeeff-45d1-4958-8a22-5620b35db4d4/bin-2019/uautomizer/data/94f91f03b/664774bafab74b6eaf06dc84633ff71e/FLAGcbc884607 [2018-11-10 10:26:29,879 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_57bbeeff-45d1-4958-8a22-5620b35db4d4/bin-2019/uautomizer/data/94f91f03b/664774bafab74b6eaf06dc84633ff71e [2018-11-10 10:26:29,881 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:26:29,882 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 10:26:29,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:26:29,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:26:29,885 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:26:29,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:26:29" (1/1) ... [2018-11-10 10:26:29,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f62aa95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:26:29, skipping insertion in model container [2018-11-10 10:26:29,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:26:29" (1/1) ... [2018-11-10 10:26:29,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:26:29,906 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:26:30,009 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:26:30,011 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:26:30,023 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:26:30,033 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:26:30,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:26:30 WrapperNode [2018-11-10 10:26:30,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:26:30,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:26:30,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:26:30,033 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:26:30,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:26:30" (1/1) ... [2018-11-10 10:26:30,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:26:30" (1/1) ... [2018-11-10 10:26:30,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:26:30" (1/1) ... [2018-11-10 10:26:30,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:26:30" (1/1) ... [2018-11-10 10:26:30,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:26:30" (1/1) ... [2018-11-10 10:26:30,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:26:30" (1/1) ... [2018-11-10 10:26:30,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:26:30" (1/1) ... [2018-11-10 10:26:30,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:26:30,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:26:30,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:26:30,050 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:26:30,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:26:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_57bbeeff-45d1-4958-8a22-5620b35db4d4/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 [2018-11-10 10:26:30,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 10:26:30,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:26:30,117 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-10 10:26:30,117 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-11-10 10:26:30,117 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 10:26:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 10:26:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-10 10:26:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 10:26:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-10 10:26:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-11-10 10:26:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 10:26:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 10:26:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:26:30,207 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:26:30,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:26:30 BoogieIcfgContainer [2018-11-10 10:26:30,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:26:30,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 10:26:30,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 10:26:30,210 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 10:26:30,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:26:29" (1/3) ... [2018-11-10 10:26:30,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ebe60b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:26:30, skipping insertion in model container [2018-11-10 10:26:30,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:26:30" (2/3) ... [2018-11-10 10:26:30,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ebe60b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:26:30, skipping insertion in model container [2018-11-10 10:26:30,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:26:30" (3/3) ... [2018-11-10 10:26:30,212 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_3_7_false-unreach-call_true-termination.i [2018-11-10 10:26:30,218 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 10:26:30,222 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 10:26:30,230 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 10:26:30,247 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 10:26:30,248 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 10:26:30,248 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 10:26:30,248 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 10:26:30,248 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 10:26:30,248 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 10:26:30,248 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 10:26:30,248 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 10:26:30,248 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 10:26:30,258 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-11-10 10:26:30,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 10:26:30,262 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:26:30,262 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:26:30,264 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:26:30,268 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:26:30,269 INFO L82 PathProgramCache]: Analyzing trace with hash 122785517, now seen corresponding path program 1 times [2018-11-10 10:26:30,270 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:26:30,271 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:26:30,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:26:30,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:26:30,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:26:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:26:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:26:30,355 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 10:26:30,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:26:30 BoogieIcfgContainer [2018-11-10 10:26:30,369 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 10:26:30,370 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:26:30,370 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:26:30,370 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:26:30,370 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:26:30" (3/4) ... [2018-11-10 10:26:30,372 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 10:26:30,373 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:26:30,373 INFO L168 Benchmark]: Toolchain (without parser) took 491.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -189.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:26:30,374 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:26:30,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 150.24 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-10 10:26:30,375 INFO L168 Benchmark]: Boogie Preprocessor took 15.94 ms. Allocated memory is still 1.0 GB. Free memory was 949.4 MB in the beginning and 946.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:26:30,375 INFO L168 Benchmark]: RCFGBuilder took 158.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 946.7 MB in the beginning and 1.2 GB in the end (delta: -216.3 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:26:30,376 INFO L168 Benchmark]: TraceAbstraction took 161.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-11-10 10:26:30,376 INFO L168 Benchmark]: Witness Printer took 2.97 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. [2018-11-10 10:26:30,379 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 150.24 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.94 ms. Allocated memory is still 1.0 GB. Free memory was 949.4 MB in the beginning and 946.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 158.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 946.7 MB in the beginning and 1.2 GB in the end (delta: -216.3 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 161.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Witness Printer took 2.97 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 23. Possible FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=8] [L6] RET return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=8, x=8] [L19] EXPR f(IN) VAL [f(IN)=5, IN=8] [L19] CALL, EXPR fp(IN) VAL [\old(x)=8] [L11] RET return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=8, x=8] [L19] EXPR fp(IN) VAL [f(IN)=5, fp(IN)=2, IN=8] [L19] float x = IN - f(IN)/fp(IN); [L21] CALL, EXPR f(x) VAL [\old(x)=3] [L6] RET return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=3, x=3] [L21] EXPR f(x) VAL [f(x)=4, IN=8, x=3] [L21] CALL, EXPR fp(x) VAL [\old(x)=3] [L11] RET return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=3, x=3] [L21] EXPR fp(x) VAL [f(x)=4, fp(x)=0, IN=8, x=3] [L21] x = x - f(x)/fp(x) [L23] CALL, EXPR f(x) VAL [\old(x)=6] [L6] RET return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=6, x=6] [L23] EXPR f(x) VAL [f(x)=1, IN=8, x=6] [L23] CALL, EXPR fp(x) VAL [\old(x)=6] [L11] RET return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=6, x=6] [L23] EXPR fp(x) VAL [f(x)=1, fp(x)=7, IN=8, x=6] [L23] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) VAL [IN=8] [L28] __VERIFIER_error() VAL [IN=8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 28 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 3 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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, 34 NumberOfCodeBlocks, 34 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 0.1.23-1dbac8b [2018-11-10 10:26:31,903 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:26:31,905 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:26:31,915 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:26:31,915 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:26:31,916 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:26:31,917 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:26:31,918 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:26:31,919 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:26:31,920 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:26:31,921 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:26:31,921 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:26:31,922 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:26:31,922 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:26:31,923 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:26:31,925 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:26:31,925 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:26:31,927 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:26:31,928 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:26:31,930 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:26:31,931 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:26:31,931 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:26:31,934 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:26:31,934 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:26:31,934 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:26:31,935 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:26:31,936 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:26:31,937 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:26:31,937 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:26:31,938 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:26:31,938 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:26:31,939 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:26:31,939 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:26:31,939 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:26:31,941 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:26:31,942 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:26:31,942 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_57bbeeff-45d1-4958-8a22-5620b35db4d4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 10:26:31,953 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:26:31,954 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:26:31,954 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:26:31,955 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:26:31,955 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:26:31,955 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:26:31,955 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 10:26:31,956 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:26:31,957 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:26:31,957 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:26:31,957 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:26:31,957 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:26:31,957 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:26:31,957 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:26:31,957 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 10:26:31,958 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 10:26:31,958 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:26:31,958 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:26:31,958 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:26:31,958 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:26:31,958 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 10:26:31,959 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:26:31,959 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 10:26:31,959 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:26:31,959 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:26:31,959 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:26:31,959 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:26:31,960 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 10:26:31,961 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:26:31,961 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 10:26:31,962 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 10:26:31,962 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_57bbeeff-45d1-4958-8a22-5620b35db4d4/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 -> 1a235e961590504bf325ed48e961fbf72a0d83a1 [2018-11-10 10:26:32,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:26:32,010 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:26:32,013 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:26:32,014 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:26:32,014 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:26:32,015 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_57bbeeff-45d1-4958-8a22-5620b35db4d4/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i [2018-11-10 10:26:32,066 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_57bbeeff-45d1-4958-8a22-5620b35db4d4/bin-2019/uautomizer/data/deb773b0b/47a2bf2ffccd478e91e05cb6396b34e3/FLAGeb9b49c58 [2018-11-10 10:26:32,394 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:26:32,395 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_57bbeeff-45d1-4958-8a22-5620b35db4d4/sv-benchmarks/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i [2018-11-10 10:26:32,399 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_57bbeeff-45d1-4958-8a22-5620b35db4d4/bin-2019/uautomizer/data/deb773b0b/47a2bf2ffccd478e91e05cb6396b34e3/FLAGeb9b49c58 [2018-11-10 10:26:32,409 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_57bbeeff-45d1-4958-8a22-5620b35db4d4/bin-2019/uautomizer/data/deb773b0b/47a2bf2ffccd478e91e05cb6396b34e3 [2018-11-10 10:26:32,411 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:26:32,412 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 10:26:32,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:26:32,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:26:32,417 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:26:32,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:26:32" (1/1) ... [2018-11-10 10:26:32,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@412f3dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:26:32, skipping insertion in model container [2018-11-10 10:26:32,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:26:32" (1/1) ... [2018-11-10 10:26:32,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:26:32,441 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:26:32,567 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:26:32,572 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:26:32,589 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:26:32,600 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:26:32,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:26:32 WrapperNode [2018-11-10 10:26:32,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:26:32,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:26:32,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:26:32,602 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:26:32,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:26:32" (1/1) ... [2018-11-10 10:26:32,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:26:32" (1/1) ... [2018-11-10 10:26:32,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:26:32" (1/1) ... [2018-11-10 10:26:32,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:26:32" (1/1) ... [2018-11-10 10:26:32,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:26:32" (1/1) ... [2018-11-10 10:26:32,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:26:32" (1/1) ... [2018-11-10 10:26:32,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:26:32" (1/1) ... [2018-11-10 10:26:32,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:26:32,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:26:32,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:26:32,626 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:26:32,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:26:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_57bbeeff-45d1-4958-8a22-5620b35db4d4/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 [2018-11-10 10:26:32,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 10:26:32,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:26:32,677 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-10 10:26:32,678 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-11-10 10:26:32,678 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 10:26:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 10:26:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-10 10:26:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 10:26:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-10 10:26:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-11-10 10:26:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 10:26:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 10:26:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:26:39,367 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:26:39,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:26:39 BoogieIcfgContainer [2018-11-10 10:26:39,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:26:39,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 10:26:39,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 10:26:39,370 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 10:26:39,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:26:32" (1/3) ... [2018-11-10 10:26:39,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61659958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:26:39, skipping insertion in model container [2018-11-10 10:26:39,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:26:32" (2/3) ... [2018-11-10 10:26:39,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61659958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:26:39, skipping insertion in model container [2018-11-10 10:26:39,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:26:39" (3/3) ... [2018-11-10 10:26:39,374 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_3_7_false-unreach-call_true-termination.i [2018-11-10 10:26:39,381 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 10:26:39,387 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 10:26:39,398 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 10:26:39,419 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 10:26:39,419 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 10:26:39,419 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 10:26:39,419 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 10:26:39,420 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 10:26:39,420 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 10:26:39,420 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 10:26:39,420 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 10:26:39,420 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 10:26:39,433 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-11-10 10:26:39,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 10:26:39,438 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:26:39,439 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:26:39,441 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:26:39,446 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:26:39,446 INFO L82 PathProgramCache]: Analyzing trace with hash 122785517, now seen corresponding path program 1 times [2018-11-10 10:26:39,450 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:26:39,450 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_57bbeeff-45d1-4958-8a22-5620b35db4d4/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 [2018-11-10 10:26:39,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:28:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:29:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:29:11,654 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 10:29:11,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:29:11 BoogieIcfgContainer [2018-11-10 10:29:11,681 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 10:29:11,682 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:29:11,682 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:29:11,682 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:29:11,682 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:26:39" (3/4) ... [2018-11-10 10:29:11,684 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 10:29:11,719 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_57bbeeff-45d1-4958-8a22-5620b35db4d4/bin-2019/uautomizer/witness.graphml [2018-11-10 10:29:11,720 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:29:11,720 INFO L168 Benchmark]: Toolchain (without parser) took 159308.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -148.2 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-11-10 10:29:11,721 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:29:11,721 INFO L168 Benchmark]: CACSL2BoogieTranslator took 188.30 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:29:11,722 INFO L168 Benchmark]: Boogie Preprocessor took 24.27 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:29:11,722 INFO L168 Benchmark]: RCFGBuilder took 6741.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -197.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-11-10 10:29:11,722 INFO L168 Benchmark]: TraceAbstraction took 152313.23 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: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2018-11-10 10:29:11,723 INFO L168 Benchmark]: Witness Printer took 37.98 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. [2018-11-10 10:29:11,724 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 188.30 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.27 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 6741.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -197.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 152313.23 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: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * Witness Printer took 37.98 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)=-1.389472484588623] [L6] RET return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=-1.389472484588623, \result=-0.9875213503837585, x=-1.389472484588623] [L19] EXPR f(IN) VAL [f(IN)=-0.9875213503837585, IN=-1.389472484588623] [L19] CALL, EXPR fp(IN) VAL [\old(x)=-1.389472484588623] [L11] RET return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-1.389472484588623, \result=0.1999838650226593, x=-1.389472484588623] [L19] EXPR fp(IN) VAL [f(IN)=-0.9875213503837585, fp(IN)=0.1999838650226593, IN=-1.389472484588623] [L19] float x = IN - f(IN)/fp(IN); [L21] CALL, EXPR f(x) VAL [\old(x)=3.548532485961914] [L6] RET return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=3.548532485961914, \result=2.195866584777832, x=3.548532485961914] [L21] EXPR f(x) VAL [f(x)=2.195866584777832, IN=-1.389472484588623, x=3.548532485961914] [L21] CALL, EXPR fp(x) VAL [\old(x)=3.548532485961914] [L11] RET return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=3.548532485961914, \result=4.083713531494141, x=3.548532485961914] [L21] EXPR fp(x) VAL [f(x)=2.195866584777832, fp(x)=4.083713531494141, IN=-1.389472484588623, x=3.548532485961914] [L21] x = x - f(x)/fp(x) [L23] CALL, EXPR f(x) VAL [\old(x)=3.010819435119629] [L6] RET return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=3.010819435119629, \result=0.9687384366989136, x=3.010819435119629] [L23] EXPR f(x) VAL [f(x)=0.9687384366989136, IN=-1.389472484588623, x=3.010819435119629] [L23] CALL, EXPR fp(x) VAL [\old(x)=3.010819435119629] [L11] RET return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=3.010819435119629, \result=0.9260423183441162, x=3.010819435119629] [L23] EXPR fp(x) VAL [f(x)=0.9687384366989136, fp(x)=0.9260423183441162, IN=-1.389472484588623, x=3.010819435119629] [L23] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) VAL [IN=-1.389472484588623, x=1.964713454246521] [L28] __VERIFIER_error() VAL [IN=-1.389472484588623, x=1.964713454246521] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 28 locations, 1 error locations. UNSAFE Result, 152.2s OverallTime, 1 OverallIterations, 3 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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, 137.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 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...