/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-benchs/Rump_double_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-benchs/Rump_double_true-unreach-call_true-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 ...................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-benchs/Rump_double_true-unreach-call_true-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 ................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 13:49:32,113 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 13:49:32,117 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 13:49:32,135 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 13:49:32,136 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 13:49:32,138 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 13:49:32,141 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 13:49:32,143 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 13:49:32,146 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 13:49:32,149 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 13:49:32,152 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 13:49:32,153 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 13:49:32,155 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 13:49:32,158 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 13:49:32,165 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 13:49:32,167 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 13:49:32,169 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 13:49:32,173 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 13:49:32,177 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 13:49:32,181 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 13:49:32,183 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 13:49:32,184 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 13:49:32,188 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 13:49:32,189 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 13:49:32,189 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 13:49:32,190 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 13:49:32,192 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 13:49:32,195 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 13:49:32,196 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 13:49:32,197 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 13:49:32,199 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 13:49:32,202 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 13:49:32,202 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 13:49:32,202 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 13:49:32,203 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 13:49:32,205 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 13:49:32,207 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 13:49:32,241 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 13:49:32,243 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 13:49:32,245 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 13:49:32,245 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 13:49:32,246 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 13:49:32,246 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 13:49:32,246 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 13:49:32,246 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 13:49:32,249 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 13:49:32,249 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 13:49:32,250 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 13:49:32,250 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 13:49:32,250 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 13:49:32,250 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 13:49:32,250 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 13:49:32,251 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 13:49:32,251 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 13:49:32,252 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 13:49:32,252 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 13:49:32,252 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 13:49:32,252 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 13:49:32,252 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 13:49:32,253 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 13:49:32,253 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 13:49:32,253 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 13:49:32,253 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 13:49:32,253 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 13:49:32,257 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 13:49:32,258 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 13:49:32,258 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 [2018-09-20 13:49:32,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 13:49:32,352 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 13:49:32,356 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 13:49:32,358 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 13:49:32,358 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 13:49:32,359 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-09-20 13:49:32,715 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba2903f24/324f679694fc4c7391f619d0e8e529e5/FLAG0d662cfa8 [2018-09-20 13:49:32,835 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 13:49:32,836 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-09-20 13:49:32,843 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba2903f24/324f679694fc4c7391f619d0e8e529e5/FLAG0d662cfa8 [2018-09-20 13:49:32,859 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba2903f24/324f679694fc4c7391f619d0e8e529e5 [2018-09-20 13:49:32,863 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 13:49:32,867 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 13:49:32,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 13:49:32,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 13:49:32,876 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 13:49:32,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:49:32" (1/1) ... [2018-09-20 13:49:32,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b287182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:32, skipping insertion in model container [2018-09-20 13:49:32,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:49:32" (1/1) ... [2018-09-20 13:49:32,895 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 13:49:33,137 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:49:33,157 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 13:49:33,166 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:49:33,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:33 WrapperNode [2018-09-20 13:49:33,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 13:49:33,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 13:49:33,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 13:49:33,184 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 13:49:33,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:33" (1/1) ... [2018-09-20 13:49:33,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:33" (1/1) ... [2018-09-20 13:49:33,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:33" (1/1) ... [2018-09-20 13:49:33,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:33" (1/1) ... [2018-09-20 13:49:33,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:33" (1/1) ... [2018-09-20 13:49:33,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:33" (1/1) ... [2018-09-20 13:49:33,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:33" (1/1) ... [2018-09-20 13:49:33,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 13:49:33,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 13:49:33,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 13:49:33,224 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 13:49:33,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-09-20 13:49:33,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 13:49:33,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 13:49:33,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-20 13:49:33,305 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 13:49:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 13:49:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-20 13:49:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 13:49:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 13:49:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 13:49:33,568 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 13:49:33,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:49:33 BoogieIcfgContainer [2018-09-20 13:49:33,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 13:49:33,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 13:49:33,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 13:49:33,574 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 13:49:33,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:49:32" (1/3) ... [2018-09-20 13:49:33,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79879e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:49:33, skipping insertion in model container [2018-09-20 13:49:33,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:33" (2/3) ... [2018-09-20 13:49:33,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79879e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:49:33, skipping insertion in model container [2018-09-20 13:49:33,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:49:33" (3/3) ... [2018-09-20 13:49:33,578 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_double_true-unreach-call_true-termination.c [2018-09-20 13:49:33,587 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 13:49:33,595 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 13:49:33,643 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 13:49:33,643 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 13:49:33,644 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 13:49:33,644 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 13:49:33,644 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 13:49:33,644 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 13:49:33,644 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 13:49:33,644 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 13:49:33,645 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 13:49:33,665 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-09-20 13:49:33,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-20 13:49:33,672 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 13:49:33,673 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 13:49:33,675 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 13:49:33,681 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-09-20 13:49:33,684 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 13:49:33,684 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 13:49:33,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 13:49:33,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 13:49:33,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 13:49:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 13:49:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 13:49:33,811 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 13:49:33,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:49:33 BoogieIcfgContainer [2018-09-20 13:49:33,840 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 13:49:33,841 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 13:49:33,841 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 13:49:33,842 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 13:49:33,842 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:49:33" (3/4) ... [2018-09-20 13:49:33,848 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 13:49:33,851 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 13:49:33,852 INFO L168 Benchmark]: Toolchain (without parser) took 988.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -159.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:49:33,855 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-09-20 13:49:33,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.03 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-09-20 13:49:33,857 INFO L168 Benchmark]: Boogie Preprocessor took 37.25 ms. Allocated memory is still 1.0 GB. Free memory is still 941.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:49:33,858 INFO L168 Benchmark]: RCFGBuilder took 345.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 941.1 MB in the beginning and 1.1 GB in the end (delta: -185.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2018-09-20 13:49:33,860 INFO L168 Benchmark]: TraceAbstraction took 270.50 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: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-09-20 13:49:33,861 INFO L168 Benchmark]: Witness Printer took 9.96 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. [2018-09-20 13:49:33,866 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 315.03 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.25 ms. Allocated memory is still 1.0 GB. Free memory is still 941.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 345.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 941.1 MB in the beginning and 1.1 GB in the end (delta: -185.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 270.50 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: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Witness Printer took 9.96 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: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 11. Possible FailurePath: [L8] double x,y,r; [L9] x = 77617. [L10] y = 33096. [L11] r = 333.75 * y*y*y*y*y*y + x*x * (11.0 * x*x*y*y - y*y*y*y*y*y - 121.0 * y*y*y*y - 2.0) + 5.5 * y*y*y*y*y*y*y*y + x / (2. * y) VAL [x=77617, y=33096] [L13] CALL __VERIFIER_assert((r >= 0)) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 9 NumberOfCodeBlocks, 9 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 0.1.23-40ef509 [2018-09-20 13:49:36,298 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 13:49:36,301 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 13:49:36,317 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 13:49:36,317 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 13:49:36,318 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 13:49:36,320 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 13:49:36,321 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 13:49:36,323 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 13:49:36,324 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 13:49:36,325 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 13:49:36,325 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 13:49:36,326 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 13:49:36,327 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 13:49:36,328 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 13:49:36,329 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 13:49:36,330 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 13:49:36,331 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 13:49:36,333 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 13:49:36,335 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 13:49:36,336 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 13:49:36,338 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 13:49:36,340 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 13:49:36,340 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 13:49:36,341 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 13:49:36,342 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 13:49:36,343 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 13:49:36,344 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 13:49:36,344 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 13:49:36,346 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 13:49:36,346 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 13:49:36,347 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 13:49:36,347 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 13:49:36,347 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 13:49:36,348 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 13:49:36,349 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 13:49:36,349 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 13:49:36,365 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 13:49:36,365 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 13:49:36,366 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 13:49:36,366 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 13:49:36,366 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 13:49:36,367 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 13:49:36,367 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 13:49:36,367 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 13:49:36,367 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 13:49:36,367 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 13:49:36,367 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 13:49:36,368 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 13:49:36,368 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 13:49:36,368 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 13:49:36,368 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 13:49:36,368 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 13:49:36,369 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 13:49:36,369 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 13:49:36,369 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 13:49:36,369 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 13:49:36,369 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 13:49:36,369 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 13:49:36,370 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 13:49:36,370 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 13:49:36,370 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 13:49:36,370 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 13:49:36,370 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 13:49:36,371 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 13:49:36,371 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 13:49:36,371 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 13:49:36,371 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 13:49:36,371 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 [2018-09-20 13:49:36,422 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 13:49:36,437 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 13:49:36,441 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 13:49:36,443 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 13:49:36,443 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 13:49:36,444 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-09-20 13:49:36,799 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b81a9787a/bd92fd3d75414704a17e6b13beec1a22/FLAG7fa72b18d [2018-09-20 13:49:36,983 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 13:49:36,984 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-09-20 13:49:36,993 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b81a9787a/bd92fd3d75414704a17e6b13beec1a22/FLAG7fa72b18d [2018-09-20 13:49:37,019 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b81a9787a/bd92fd3d75414704a17e6b13beec1a22 [2018-09-20 13:49:37,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 13:49:37,031 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 13:49:37,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 13:49:37,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 13:49:37,044 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 13:49:37,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:49:37" (1/1) ... [2018-09-20 13:49:37,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@726aaa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:37, skipping insertion in model container [2018-09-20 13:49:37,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:49:37" (1/1) ... [2018-09-20 13:49:37,063 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 13:49:37,330 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:49:37,359 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 13:49:37,374 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:49:37,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:37 WrapperNode [2018-09-20 13:49:37,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 13:49:37,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 13:49:37,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 13:49:37,400 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 13:49:37,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:37" (1/1) ... [2018-09-20 13:49:37,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:37" (1/1) ... [2018-09-20 13:49:37,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:37" (1/1) ... [2018-09-20 13:49:37,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:37" (1/1) ... [2018-09-20 13:49:37,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:37" (1/1) ... [2018-09-20 13:49:37,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:37" (1/1) ... [2018-09-20 13:49:37,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:37" (1/1) ... [2018-09-20 13:49:37,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 13:49:37,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 13:49:37,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 13:49:37,454 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 13:49:37,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-09-20 13:49:37,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 13:49:37,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 13:49:37,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-20 13:49:37,534 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 13:49:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 13:49:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-20 13:49:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 13:49:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 13:49:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 13:49:37,926 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 13:49:37,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:49:37 BoogieIcfgContainer [2018-09-20 13:49:37,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 13:49:37,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 13:49:37,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 13:49:37,932 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 13:49:37,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:49:37" (1/3) ... [2018-09-20 13:49:37,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73366931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:49:37, skipping insertion in model container [2018-09-20 13:49:37,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:37" (2/3) ... [2018-09-20 13:49:37,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73366931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:49:37, skipping insertion in model container [2018-09-20 13:49:37,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:49:37" (3/3) ... [2018-09-20 13:49:37,937 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_double_true-unreach-call_true-termination.c [2018-09-20 13:49:37,948 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 13:49:37,957 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 13:49:38,011 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 13:49:38,012 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 13:49:38,012 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 13:49:38,012 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 13:49:38,013 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 13:49:38,013 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 13:49:38,013 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 13:49:38,013 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 13:49:38,013 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 13:49:38,033 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-09-20 13:49:38,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-20 13:49:38,040 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 13:49:38,041 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 13:49:38,044 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 13:49:38,050 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-09-20 13:49:38,055 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 13:49:38,056 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-20 13:49:38,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-20 13:49:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 13:49:50,712 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 13:49:51,005 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 5 [2018-09-20 13:49:51,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 13:49:51,091 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 13:49:51,199 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 13:49:51,199 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-20 13:49:51,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-20 13:49:51,216 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-20 13:49:51,217 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-20 13:49:51,220 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 5 states. [2018-09-20 13:49:51,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 13:49:51,325 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2018-09-20 13:49:51,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-20 13:49:51,328 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2018-09-20 13:49:51,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 13:49:51,335 INFO L225 Difference]: With dead ends: 24 [2018-09-20 13:49:51,335 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 13:49:51,340 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-20 13:49:51,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 13:49:51,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 13:49:51,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 13:49:51,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 13:49:51,369 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-09-20 13:49:51,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 13:49:51,369 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 13:49:51,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-20 13:49:51,370 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 13:49:51,370 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 13:49:51,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 13:49:51,449 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-09-20 13:49:51,449 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 13:49:51,449 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 13:49:51,449 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-20 13:49:51,449 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 13:49:51,450 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 13:49:51,450 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 6 15) the Hoare annotation is: true [2018-09-20 13:49:51,451 INFO L422 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: (= (let ((.cse1 ((_ to_fp 11 53) RNE 77617.0)) (.cse2 ((_ to_fp 11 53) RNE 2.0)) (.cse0 ((_ to_fp 11 53) RNE 33096.0))) (fp.add RNE (fp.add RNE (fp.add RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul RNE (fp.mul RNE .cse1 .cse1) (fp.sub RNE (fp.sub RNE (fp.sub RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 11 53) RNE 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 11 53) RNE 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div RNE .cse1 (fp.mul RNE .cse2 .cse0)))) main_~r~0) [2018-09-20 13:49:51,451 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 6 15) no Hoare annotation was computed. [2018-09-20 13:49:51,451 INFO L426 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2018-09-20 13:49:51,453 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 6 15) no Hoare annotation was computed. [2018-09-20 13:49:51,453 INFO L426 ceAbstractionStarter]: For program point L4-3(line 4) no Hoare annotation was computed. [2018-09-20 13:49:51,454 INFO L429 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 4) the Hoare annotation is: true [2018-09-20 13:49:51,454 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 4) no Hoare annotation was computed. [2018-09-20 13:49:51,454 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-09-20 13:49:51,454 INFO L426 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-09-20 13:49:51,454 INFO L426 ceAbstractionStarter]: For program point L4-1(line 4) no Hoare annotation was computed. [2018-09-20 13:49:51,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:49:51 BoogieIcfgContainer [2018-09-20 13:49:51,459 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 13:49:51,459 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 13:49:51,460 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 13:49:51,460 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 13:49:51,460 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:49:37" (3/4) ... [2018-09-20 13:49:51,465 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 13:49:51,473 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 13:49:51,474 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 13:49:51,474 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-09-20 13:49:51,479 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-09-20 13:49:51,479 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-09-20 13:49:51,480 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-20 13:49:51,525 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 13:49:51,525 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 13:49:51,526 INFO L168 Benchmark]: Toolchain (without parser) took 14501.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 950.5 MB in the beginning and 1.1 GB in the end (delta: -119.4 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-09-20 13:49:51,528 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-09-20 13:49:51,528 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.64 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 939.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-09-20 13:49:51,529 INFO L168 Benchmark]: Boogie Preprocessor took 52.82 ms. Allocated memory is still 1.0 GB. Free memory is still 939.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:49:51,530 INFO L168 Benchmark]: RCFGBuilder took 472.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. [2018-09-20 13:49:51,531 INFO L168 Benchmark]: TraceAbstraction took 13530.65 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: 35.5 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. [2018-09-20 13:49:51,532 INFO L168 Benchmark]: Witness Printer took 65.72 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-09-20 13:49:51,537 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 364.64 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 939.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.82 ms. Allocated memory is still 1.0 GB. Free memory is still 939.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 472.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13530.65 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: 35.5 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. * Witness Printer took 65.72 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. SAFE Result, 13.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 7 SDslu, 27 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 195 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 11.7s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 1640 SizeOfPredicates, 4 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...