./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_3_8_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_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/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 2602ec85874add80e06b2692c2aa37caac725410 ............................................................................................................................................................................................................................................................................. 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_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/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 2602ec85874add80e06b2692c2aa37caac725410 ................................................................................................................................................................................................................................................................. 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 12:30:20,244 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:30:20,245 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:30:20,254 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:30:20,254 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:30:20,255 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:30:20,256 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:30:20,257 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:30:20,258 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:30:20,259 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:30:20,260 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:30:20,260 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:30:20,261 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:30:20,261 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:30:20,262 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:30:20,263 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:30:20,263 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:30:20,265 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:30:20,266 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:30:20,267 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:30:20,268 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:30:20,269 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:30:20,270 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:30:20,270 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:30:20,271 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:30:20,271 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:30:20,272 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:30:20,273 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:30:20,273 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:30:20,274 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:30:20,274 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:30:20,275 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:30:20,275 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:30:20,275 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:30:20,276 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:30:20,276 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:30:20,276 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 12:30:20,286 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:30:20,286 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:30:20,287 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:30:20,287 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:30:20,288 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:30:20,288 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:30:20,288 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 12:30:20,288 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:30:20,288 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:30:20,288 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:30:20,289 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:30:20,289 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:30:20,289 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:30:20,289 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:30:20,289 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:30:20,289 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:30:20,289 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:30:20,290 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:30:20,290 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:30:20,290 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:30:20,290 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:30:20,290 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 12:30:20,290 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:30:20,290 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:30:20,291 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:30:20,291 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:30:20,291 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 12:30:20,291 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:30:20,291 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:30:20,291 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_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/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 -> 2602ec85874add80e06b2692c2aa37caac725410 [2018-11-10 12:30:20,312 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:30:20,321 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:30:20,323 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:30:20,324 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:30:20,324 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:30:20,324 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i [2018-11-10 12:30:20,360 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/bin-2019/uautomizer/data/75d5e6972/6df7c04874b94babb004ed1391d0ba15/FLAGe3638bdf2 [2018-11-10 12:30:20,646 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:30:20,646 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i [2018-11-10 12:30:20,650 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/bin-2019/uautomizer/data/75d5e6972/6df7c04874b94babb004ed1391d0ba15/FLAGe3638bdf2 [2018-11-10 12:30:20,658 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/bin-2019/uautomizer/data/75d5e6972/6df7c04874b94babb004ed1391d0ba15 [2018-11-10 12:30:20,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:30:20,661 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 12:30:20,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:30:20,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:30:20,663 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:30:20,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:30:20" (1/1) ... [2018-11-10 12:30:20,666 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 12:30:20, skipping insertion in model container [2018-11-10 12:30:20,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:30:20" (1/1) ... [2018-11-10 12:30:20,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:30:20,684 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:30:20,785 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:30:20,787 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:30:20,799 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:30:20,808 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:30:20,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:20 WrapperNode [2018-11-10 12:30:20,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:30:20,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:30:20,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:30:20,809 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:30:20,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:20" (1/1) ... [2018-11-10 12:30:20,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:20" (1/1) ... [2018-11-10 12:30:20,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:20" (1/1) ... [2018-11-10 12:30:20,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:20" (1/1) ... [2018-11-10 12:30:20,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:20" (1/1) ... [2018-11-10 12:30:20,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:20" (1/1) ... [2018-11-10 12:30:20,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:20" (1/1) ... [2018-11-10 12:30:20,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:30:20,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:30:20,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:30:20,833 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:30:20,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/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 12:30:20,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 12:30:20,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:30:20,908 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-10 12:30:20,908 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-11-10 12:30:20,908 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 12:30:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 12:30:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-10 12:30:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 12:30:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-10 12:30:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-11-10 12:30:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 12:30:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 12:30:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:30:21,032 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:30:21,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:30:21 BoogieIcfgContainer [2018-11-10 12:30:21,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:30:21,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 12:30:21,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 12:30:21,035 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 12:30:21,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:30:20" (1/3) ... [2018-11-10 12:30:21,036 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 12:30:21, skipping insertion in model container [2018-11-10 12:30:21,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:20" (2/3) ... [2018-11-10 12:30:21,036 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 12:30:21, skipping insertion in model container [2018-11-10 12:30:21,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:30:21" (3/3) ... [2018-11-10 12:30:21,038 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_3_8_false-unreach-call_true-termination.i [2018-11-10 12:30:21,046 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 12:30:21,051 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 12:30:21,060 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 12:30:21,080 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 12:30:21,081 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 12:30:21,081 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 12:30:21,081 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 12:30:21,081 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 12:30:21,081 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 12:30:21,081 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 12:30:21,081 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 12:30:21,081 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 12:30:21,094 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-11-10 12:30:21,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 12:30:21,098 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:30:21,099 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 12:30:21,101 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:30:21,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:30:21,105 INFO L82 PathProgramCache]: Analyzing trace with hash 122785517, now seen corresponding path program 1 times [2018-11-10 12:30:21,106 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:30:21,107 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:30:21,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:30:21,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:30:21,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:30:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:30:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:30:21,190 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 12:30:21,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:30:21 BoogieIcfgContainer [2018-11-10 12:30:21,207 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 12:30:21,207 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:30:21,207 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:30:21,208 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:30:21,208 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:30:21" (3/4) ... [2018-11-10 12:30:21,211 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 12:30:21,211 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:30:21,212 INFO L168 Benchmark]: Toolchain (without parser) took 551.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:30:21,213 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:30:21,214 INFO L168 Benchmark]: CACSL2BoogieTranslator took 147.51 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.4 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:30:21,214 INFO L168 Benchmark]: Boogie Preprocessor took 23.06 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 940.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:30:21,215 INFO L168 Benchmark]: RCFGBuilder took 200.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -196.5 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:30:21,215 INFO L168 Benchmark]: TraceAbstraction took 173.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:30:21,216 INFO L168 Benchmark]: Witness Printer took 4.11 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 12:30:21,218 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 147.51 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.4 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.06 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 940.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 200.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -196.5 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 173.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.11 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 12:30:22,729 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:30:22,730 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:30:22,739 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:30:22,739 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:30:22,740 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:30:22,741 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:30:22,742 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:30:22,743 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:30:22,743 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:30:22,744 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:30:22,744 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:30:22,745 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:30:22,746 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:30:22,746 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:30:22,747 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:30:22,747 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:30:22,748 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:30:22,750 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:30:22,751 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:30:22,751 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:30:22,752 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:30:22,754 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:30:22,754 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:30:22,754 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:30:22,755 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:30:22,756 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:30:22,756 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:30:22,757 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:30:22,757 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:30:22,757 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:30:22,758 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:30:22,758 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:30:22,758 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:30:22,759 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:30:22,759 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:30:22,759 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 12:30:22,769 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:30:22,770 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:30:22,770 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:30:22,770 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:30:22,771 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:30:22,771 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:30:22,771 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 12:30:22,771 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:30:22,771 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:30:22,771 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:30:22,771 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:30:22,772 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:30:22,772 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:30:22,772 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:30:22,772 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 12:30:22,772 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 12:30:22,772 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:30:22,772 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:30:22,772 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:30:22,773 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:30:22,773 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:30:22,773 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:30:22,773 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 12:30:22,773 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:30:22,773 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:30:22,773 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:30:22,773 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:30:22,774 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 12:30:22,774 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:30:22,774 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 12:30:22,774 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 12:30:22,774 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_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/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 -> 2602ec85874add80e06b2692c2aa37caac725410 [2018-11-10 12:30:22,803 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:30:22,812 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:30:22,814 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:30:22,815 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:30:22,816 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:30:22,816 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i [2018-11-10 12:30:22,860 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/bin-2019/uautomizer/data/442cb6fff/816dca8282f544af88821d820a1d8ee5/FLAG118fa7893 [2018-11-10 12:30:23,174 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:30:23,175 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i [2018-11-10 12:30:23,178 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/bin-2019/uautomizer/data/442cb6fff/816dca8282f544af88821d820a1d8ee5/FLAG118fa7893 [2018-11-10 12:30:23,187 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/bin-2019/uautomizer/data/442cb6fff/816dca8282f544af88821d820a1d8ee5 [2018-11-10 12:30:23,188 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:30:23,189 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 12:30:23,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:30:23,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:30:23,193 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:30:23,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:30:23" (1/1) ... [2018-11-10 12:30:23,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@691b1950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:23, skipping insertion in model container [2018-11-10 12:30:23,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:30:23" (1/1) ... [2018-11-10 12:30:23,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:30:23,213 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:30:23,331 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:30:23,335 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:30:23,349 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:30:23,358 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:30:23,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:23 WrapperNode [2018-11-10 12:30:23,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:30:23,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:30:23,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:30:23,360 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:30:23,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:23" (1/1) ... [2018-11-10 12:30:23,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:23" (1/1) ... [2018-11-10 12:30:23,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:23" (1/1) ... [2018-11-10 12:30:23,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:23" (1/1) ... [2018-11-10 12:30:23,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:23" (1/1) ... [2018-11-10 12:30:23,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:23" (1/1) ... [2018-11-10 12:30:23,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:23" (1/1) ... [2018-11-10 12:30:23,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:30:23,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:30:23,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:30:23,382 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:30:23,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/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 12:30:23,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 12:30:23,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:30:23,428 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-10 12:30:23,428 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-11-10 12:30:23,428 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 12:30:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 12:30:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-10 12:30:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 12:30:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-10 12:30:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-11-10 12:30:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 12:30:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 12:30:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:30:29,874 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:30:29,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:30:29 BoogieIcfgContainer [2018-11-10 12:30:29,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:30:29,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 12:30:29,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 12:30:29,879 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 12:30:29,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:30:23" (1/3) ... [2018-11-10 12:30:29,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54dcbf55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:30:29, skipping insertion in model container [2018-11-10 12:30:29,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:23" (2/3) ... [2018-11-10 12:30:29,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54dcbf55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:30:29, skipping insertion in model container [2018-11-10 12:30:29,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:30:29" (3/3) ... [2018-11-10 12:30:29,882 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_3_8_false-unreach-call_true-termination.i [2018-11-10 12:30:29,890 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 12:30:29,897 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 12:30:29,910 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 12:30:29,928 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 12:30:29,928 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 12:30:29,929 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 12:30:29,929 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 12:30:29,929 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 12:30:29,929 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 12:30:29,929 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 12:30:29,929 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 12:30:29,929 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 12:30:29,941 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-11-10 12:30:29,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 12:30:29,945 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:30:29,946 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 12:30:29,948 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:30:29,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:30:29,952 INFO L82 PathProgramCache]: Analyzing trace with hash 122785517, now seen corresponding path program 1 times [2018-11-10 12:30:29,955 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 12:30:29,955 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/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 12:30:29,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:30:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:33:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:33:39,408 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 12:33:39,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:33:39 BoogieIcfgContainer [2018-11-10 12:33:39,437 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 12:33:39,437 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:33:39,437 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:33:39,438 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:33:39,438 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:30:29" (3/4) ... [2018-11-10 12:33:39,440 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 12:33:39,477 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f9b691c4-52c9-4cfb-824f-00315a0dd6cd/bin-2019/uautomizer/witness.graphml [2018-11-10 12:33:39,478 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:33:39,478 INFO L168 Benchmark]: Toolchain (without parser) took 196289.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -148.9 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:33:39,479 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 12:33:39,479 INFO L168 Benchmark]: CACSL2BoogieTranslator took 169.33 ms. Allocated memory is still 1.0 GB. Free memory was 945.2 MB in the beginning and 934.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:33:39,480 INFO L168 Benchmark]: Boogie Preprocessor took 21.88 ms. Allocated memory is still 1.0 GB. Free memory was 934.4 MB in the beginning and 929.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:33:39,480 INFO L168 Benchmark]: RCFGBuilder took 6493.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 929.1 MB in the beginning and 1.1 GB in the end (delta: -203.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:33:39,481 INFO L168 Benchmark]: TraceAbstraction took 189561.33 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: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:33:39,481 INFO L168 Benchmark]: Witness Printer took 40.30 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 12:33:39,483 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 169.33 ms. Allocated memory is still 1.0 GB. Free memory was 945.2 MB in the beginning and 934.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.88 ms. Allocated memory is still 1.0 GB. Free memory was 934.4 MB in the beginning and 929.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 6493.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 929.1 MB in the beginning and 1.1 GB in the end (delta: -203.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 189561.33 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: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. * Witness Printer took 40.30 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)=1.684674620628357] [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)=1.684674620628357, \result=1.0085123777389526, x=1.684674620628357] [L19] EXPR f(IN) VAL [f(IN)=1.0085123777389526, IN=1.684674620628357] [L19] CALL, EXPR fp(IN) VAL [\old(x)=1.684674620628357] [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)=1.684674620628357, \result=-0.05168893560767174, x=1.684674620628357] [L19] EXPR fp(IN) VAL [f(IN)=1.0085123777389526, fp(IN)=-0.05168893560767174, IN=1.684674620628357] [L19] float x = IN - f(IN)/fp(IN); [L21] CALL, EXPR f(x) VAL [\old(x)=21.195859909057617] [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)=21.195859909057617, \result=415437.90625, x=21.195859909057617] [L21] EXPR f(x) VAL [f(x)=415437.90625, IN=1.684674620628357, x=21.195859909057617] [L21] CALL, EXPR fp(x) VAL [\old(x)=21.195859909057617] [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)=21.195859909057617, \result=134129.21875, x=21.195859909057617] [L21] EXPR fp(x) VAL [f(x)=415437.90625, fp(x)=134129.21875, IN=1.684674620628357, x=21.195859909057617] [L21] x = x - f(x)/fp(x) [L23] CALL, EXPR f(x) VAL [\old(x)=18.09856414794922] [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)=18.09856414794922, \result=141417.8125, x=18.09856414794922] [L23] EXPR f(x) VAL [f(x)=141417.8125, IN=1.684674620628357, x=18.09856414794922] [L23] CALL, EXPR fp(x) VAL [\old(x)=18.09856414794922] [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)=18.09856414794922, \result=53120.4453125, x=18.09856414794922] [L23] EXPR fp(x) VAL [f(x)=141417.8125, fp(x)=53120.4453125, IN=1.684674620628357, x=18.09856414794922] [L23] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) VAL [IN=1.684674620628357, x=15.43635368347168] [L28] __VERIFIER_error() VAL [IN=1.684674620628357, x=15.43635368347168] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 28 locations, 1 error locations. UNSAFE Result, 189.5s 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, 5.6s 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...