java -Xmx8000000000 -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 ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/loop-invgen/id_build_true-unreach-call.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 10:39:08,275 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 10:39:08,277 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 10:39:08,288 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 10:39:08,288 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 10:39:08,289 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 10:39:08,290 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 10:39:08,292 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 10:39:08,295 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 10:39:08,299 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 10:39:08,300 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 10:39:08,300 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 10:39:08,301 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 10:39:08,302 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 10:39:08,307 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 10:39:08,309 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 10:39:08,310 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 10:39:08,314 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 10:39:08,316 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 10:39:08,321 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 10:39:08,323 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 10:39:08,324 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 10:39:08,331 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 10:39:08,331 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 10:39:08,331 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 10:39:08,332 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 10:39:08,334 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 10:39:08,334 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 10:39:08,338 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 10:39:08,339 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 10:39:08,339 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 10:39:08,341 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 10:39:08,342 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 10:39:08,342 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 10:39:08,343 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 10:39:08,344 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 10:39:08,345 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 10:39:08,373 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 10:39:08,373 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 10:39:08,374 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 10:39:08,374 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 10:39:08,374 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 10:39:08,375 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 10:39:08,375 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 10:39:08,375 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 10:39:08,375 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 10:39:08,375 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 10:39:08,376 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 10:39:08,376 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 10:39:08,376 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 10:39:08,376 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 10:39:08,377 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 10:39:08,377 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 10:39:08,377 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 10:39:08,377 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 10:39:08,378 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 10:39:08,378 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 10:39:08,378 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 10:39:08,378 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 10:39:08,378 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 10:39:08,379 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 10:39:08,379 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 10:39:08,379 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 10:39:08,379 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 10:39:08,379 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 10:39:08,380 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 10:39:08,380 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 10:39:08,380 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 10:39:08,380 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 10:39:08,380 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 10:39:08,380 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 10:39:08,381 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 10:39:08,381 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 10:39:08,430 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 10:39:08,445 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 10:39:08,449 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 10:39:08,450 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 10:39:08,451 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 10:39:08,452 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build_true-unreach-call.i.v+lhb-reducer.c [2018-11-07 10:39:08,511 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f1894c3f/7953856bd0df4279a02df0bdb727f572/FLAG262093220 [2018-11-07 10:39:08,978 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 10:39:08,979 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build_true-unreach-call.i.v+lhb-reducer.c [2018-11-07 10:39:08,986 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f1894c3f/7953856bd0df4279a02df0bdb727f572/FLAG262093220 [2018-11-07 10:39:09,004 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f1894c3f/7953856bd0df4279a02df0bdb727f572 [2018-11-07 10:39:09,016 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 10:39:09,018 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 10:39:09,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 10:39:09,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 10:39:09,022 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 10:39:09,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:39:09" (1/1) ... [2018-11-07 10:39:09,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1012a27a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:39:09, skipping insertion in model container [2018-11-07 10:39:09,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:39:09" (1/1) ... [2018-11-07 10:39:09,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 10:39:09,056 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 10:39:09,252 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 10:39:09,257 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 10:39:09,280 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 10:39:09,297 INFO L193 MainTranslator]: Completed translation [2018-11-07 10:39:09,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:39:09 WrapperNode [2018-11-07 10:39:09,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 10:39:09,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 10:39:09,299 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 10:39:09,299 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 10:39:09,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:39:09" (1/1) ... [2018-11-07 10:39:09,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:39:09" (1/1) ... [2018-11-07 10:39:09,323 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 10:39:09,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 10:39:09,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 10:39:09,323 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 10:39:09,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:39:09" (1/1) ... [2018-11-07 10:39:09,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:39:09" (1/1) ... [2018-11-07 10:39:09,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:39:09" (1/1) ... [2018-11-07 10:39:09,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:39:09" (1/1) ... [2018-11-07 10:39:09,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:39:09" (1/1) ... [2018-11-07 10:39:09,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:39:09" (1/1) ... [2018-11-07 10:39:09,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:39:09" (1/1) ... [2018-11-07 10:39:09,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 10:39:09,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 10:39:09,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 10:39:09,347 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 10:39:09,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:39:09" (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 [2018-11-07 10:39:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 10:39:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 10:39:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 10:39:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 10:39:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 10:39:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 10:39:09,898 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 10:39:09,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:39:09 BoogieIcfgContainer [2018-11-07 10:39:09,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 10:39:09,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 10:39:09,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 10:39:09,906 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 10:39:09,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:39:09" (1/3) ... [2018-11-07 10:39:09,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21a72a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:39:09, skipping insertion in model container [2018-11-07 10:39:09,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:39:09" (2/3) ... [2018-11-07 10:39:09,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21a72a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:39:09, skipping insertion in model container [2018-11-07 10:39:09,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:39:09" (3/3) ... [2018-11-07 10:39:09,912 INFO L112 eAbstractionObserver]: Analyzing ICFG id_build_true-unreach-call.i.v+lhb-reducer.c [2018-11-07 10:39:09,923 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 10:39:09,930 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-11-07 10:39:09,947 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-11-07 10:39:09,991 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 10:39:09,992 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 10:39:09,992 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 10:39:09,992 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 10:39:09,992 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 10:39:09,992 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 10:39:09,993 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 10:39:09,993 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 10:39:10,016 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-11-07 10:39:10,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-07 10:39:10,023 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 10:39:10,024 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 10:39:10,027 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 10:39:10,032 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:39:10,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1077508024, now seen corresponding path program 1 times [2018-11-07 10:39:10,035 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 10:39:10,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:39:10,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:39:10,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:39:10,081 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 10:39:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:39:10,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 10:39:10,240 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 10:39:10,241 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 10:39:10,241 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 10:39:10,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 10:39:10,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 10:39:10,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-07 10:39:10,261 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 4 states. [2018-11-07 10:39:10,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 10:39:10,396 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2018-11-07 10:39:10,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-07 10:39:10,398 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-11-07 10:39:10,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 10:39:10,407 INFO L225 Difference]: With dead ends: 30 [2018-11-07 10:39:10,408 INFO L226 Difference]: Without dead ends: 18 [2018-11-07 10:39:10,411 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 10:39:10,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-11-07 10:39:10,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-11-07 10:39:10,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-11-07 10:39:10,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2018-11-07 10:39:10,447 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 10 [2018-11-07 10:39:10,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 10:39:10,447 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2018-11-07 10:39:10,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 10:39:10,448 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-11-07 10:39:10,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-07 10:39:10,448 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 10:39:10,448 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 10:39:10,450 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 10:39:10,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:39:10,451 INFO L82 PathProgramCache]: Analyzing trace with hash 398186682, now seen corresponding path program 1 times [2018-11-07 10:39:10,451 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 10:39:10,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:39:10,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:39:10,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:39:10,454 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 10:39:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:39:10,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 10:39:10,616 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 10:39:10,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 10:39:10,617 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 10:39:10,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 10:39:10,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 10:39:10,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-07 10:39:10,619 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand 6 states. [2018-11-07 10:39:10,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 10:39:10,984 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2018-11-07 10:39:10,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 10:39:10,985 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2018-11-07 10:39:10,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 10:39:10,986 INFO L225 Difference]: With dead ends: 19 [2018-11-07 10:39:10,986 INFO L226 Difference]: Without dead ends: 17 [2018-11-07 10:39:10,987 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2018-11-07 10:39:10,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-11-07 10:39:10,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2018-11-07 10:39:10,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-07 10:39:10,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2018-11-07 10:39:10,992 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 12 [2018-11-07 10:39:10,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 10:39:10,993 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2018-11-07 10:39:10,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 10:39:10,993 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-11-07 10:39:10,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-07 10:39:10,994 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 10:39:10,994 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 10:39:10,994 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 10:39:10,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:39:10,995 INFO L82 PathProgramCache]: Analyzing trace with hash 405408254, now seen corresponding path program 1 times [2018-11-07 10:39:10,995 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 10:39:10,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:39:10,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:39:10,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:39:10,996 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 10:39:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:39:11,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 10:39:11,120 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 10:39:11,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 10:39:11,120 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 10:39:11,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 10:39:11,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 10:39:11,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 10:39:11,121 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand 5 states. [2018-11-07 10:39:11,325 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 12 [2018-11-07 10:39:11,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 10:39:11,459 INFO L93 Difference]: Finished difference Result 25 states and 31 transitions. [2018-11-07 10:39:11,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 10:39:11,460 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-11-07 10:39:11,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 10:39:11,460 INFO L225 Difference]: With dead ends: 25 [2018-11-07 10:39:11,461 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 10:39:11,462 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-07 10:39:11,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 10:39:11,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 10:39:11,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 10:39:11,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 10:39:11,467 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-11-07 10:39:11,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 10:39:11,468 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 10:39:11,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 10:39:11,468 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 10:39:11,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 10:39:11,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 10:39:11,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 10:39:11,544 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 10:39:11,545 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-07 10:39:11,545 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 10:39:11,545 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 10:39:11,545 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-07 10:39:11,545 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 10:39:11,545 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 10:39:11,545 INFO L421 ceAbstractionStarter]: At program point L64(lines 34 84) the Hoare annotation is: (and (<= 0 main_~main__i~0) (= main_~__VERIFIER_assert__cond~0 1) (<= (+ main_~main__i~0 1) main_~main__nlen~0)) [2018-11-07 10:39:11,546 INFO L425 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 59) no Hoare annotation was computed. [2018-11-07 10:39:11,546 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 8 97) no Hoare annotation was computed. [2018-11-07 10:39:11,546 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 91) no Hoare annotation was computed. [2018-11-07 10:39:11,546 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 30) no Hoare annotation was computed. [2018-11-07 10:39:11,546 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 8 97) no Hoare annotation was computed. [2018-11-07 10:39:11,546 INFO L425 ceAbstractionStarter]: For program point L71(lines 71 80) no Hoare annotation was computed. [2018-11-07 10:39:11,546 INFO L425 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-11-07 10:39:11,547 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 8 97) the Hoare annotation is: true [2018-11-07 10:39:11,547 INFO L425 ceAbstractionStarter]: For program point L28(lines 28 84) no Hoare annotation was computed. [2018-11-07 10:39:11,547 INFO L425 ceAbstractionStarter]: For program point L59(line 59) no Hoare annotation was computed. [2018-11-07 10:39:11,547 INFO L421 ceAbstractionStarter]: At program point L90(lines 9 97) the Hoare annotation is: (<= 0 main_~main__i~0) [2018-11-07 10:39:11,547 INFO L425 ceAbstractionStarter]: For program point L57(lines 57 65) no Hoare annotation was computed. [2018-11-07 10:39:11,548 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-07 10:39:11,548 INFO L421 ceAbstractionStarter]: At program point L74(lines 47 82) the Hoare annotation is: (and (<= 0 main_~main__i~0) (= main_~__VERIFIER_assert__cond~0 1) (<= (+ main_~main__i~0 1) main_~main__nlen~0) (not (= 0 main_~__VERIFIER_assert__cond~1))) [2018-11-07 10:39:11,548 INFO L425 ceAbstractionStarter]: For program point L41(lines 41 82) no Hoare annotation was computed. [2018-11-07 10:39:11,548 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 43) no Hoare annotation was computed. [2018-11-07 10:39:11,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 10:39:11 BoogieIcfgContainer [2018-11-07 10:39:11,562 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 10:39:11,563 INFO L168 Benchmark]: Toolchain (without parser) took 2546.29 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 781.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -741.6 MB). Peak memory consumption was 40.1 MB. Max. memory is 7.1 GB. [2018-11-07 10:39:11,564 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 10:39:11,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.51 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-07 10:39:11,566 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.41 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 10:39:11,567 INFO L168 Benchmark]: Boogie Preprocessor took 23.62 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 10:39:11,567 INFO L168 Benchmark]: RCFGBuilder took 552.56 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 781.7 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -835.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2018-11-07 10:39:11,569 INFO L168 Benchmark]: TraceAbstraction took 1661.92 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 82.9 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. [2018-11-07 10:39:11,574 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 279.51 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 24.41 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.62 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 552.56 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 781.7 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -835.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1661.92 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 82.9 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 30]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 59]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 43]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 0 <= main__i - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: ((0 <= main__i && __VERIFIER_assert__cond == 1) && main__i + 1 <= main__nlen) && !(0 == __VERIFIER_assert__cond) - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (0 <= main__i && __VERIFIER_assert__cond == 1) && main__i + 1 <= main__nlen - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 24 locations, 3 error locations. SAFE Result, 1.5s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 41 SDtfs, 70 SDslu, 53 SDs, 0 SdLazy, 62 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 10 NumberOfFragments, 35 HoareAnnotationTreeSize, 7 FomulaSimplifications, 128 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 1085 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...