java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/afnp2014.c.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 18:49:18,251 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 18:49:18,253 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 18:49:18,266 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 18:49:18,266 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 18:49:18,268 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 18:49:18,269 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 18:49:18,271 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 18:49:18,273 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 18:49:18,274 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 18:49:18,275 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 18:49:18,275 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 18:49:18,276 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 18:49:18,277 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 18:49:18,278 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 18:49:18,279 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 18:49:18,280 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 18:49:18,282 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 18:49:18,284 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 18:49:18,286 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 18:49:18,287 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 18:49:18,289 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 18:49:18,292 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 18:49:18,292 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 18:49:18,292 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 18:49:18,293 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 18:49:18,295 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 18:49:18,296 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 18:49:18,296 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 18:49:18,298 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 18:49:18,298 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 18:49:18,299 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 18:49:18,299 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 18:49:18,299 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 18:49:18,300 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 18:49:18,301 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 18:49:18,302 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf [2018-12-03 18:49:18,315 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 18:49:18,316 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 18:49:18,317 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 18:49:18,317 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 18:49:18,317 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 18:49:18,317 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 18:49:18,318 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 18:49:18,318 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 18:49:18,318 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 18:49:18,318 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2018-12-03 18:49:18,318 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 18:49:18,319 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 18:49:18,319 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 18:49:18,319 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 18:49:18,320 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 18:49:18,320 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 18:49:18,320 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 18:49:18,320 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 18:49:18,321 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 18:49:18,321 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 18:49:18,321 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 18:49:18,321 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 18:49:18,321 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 18:49:18,322 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 18:49:18,322 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 18:49:18,322 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 18:49:18,322 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 18:49:18,322 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 18:49:18,323 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 18:49:18,323 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 18:49:18,323 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 18:49:18,323 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 18:49:18,324 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 18:49:18,324 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 18:49:18,324 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 18:49:18,324 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 18:49:18,324 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 18:49:18,325 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 18:49:18,325 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 18:49:18,325 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 18:49:18,365 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 18:49:18,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 18:49:18,383 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 18:49:18,384 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 18:49:18,385 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 18:49:18,386 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/afnp2014.c.i_3.bpl [2018-12-03 18:49:18,386 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/afnp2014.c.i_3.bpl' [2018-12-03 18:49:18,431 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 18:49:18,433 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 18:49:18,434 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 18:49:18,434 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 18:49:18,435 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 18:49:18,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 06:49:18" (1/1) ... [2018-12-03 18:49:18,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 06:49:18" (1/1) ... [2018-12-03 18:49:18,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 18:49:18,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 18:49:18,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 18:49:18,478 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 18:49:18,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 06:49:18" (1/1) ... [2018-12-03 18:49:18,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 06:49:18" (1/1) ... [2018-12-03 18:49:18,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 06:49:18" (1/1) ... [2018-12-03 18:49:18,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 06:49:18" (1/1) ... [2018-12-03 18:49:18,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 06:49:18" (1/1) ... [2018-12-03 18:49:18,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 06:49:18" (1/1) ... [2018-12-03 18:49:18,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 06:49:18" (1/1) ... [2018-12-03 18:49:18,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 18:49:18,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 18:49:18,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 18:49:18,501 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 18:49:18,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 06:49:18" (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 [2018-12-03 18:49:18,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 18:49:18,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 18:49:18,785 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 18:49:18,785 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 18:49:18,786 INFO L202 PluginConnector]: Adding new model afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:49:18 BoogieIcfgContainer [2018-12-03 18:49:18,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 18:49:18,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 18:49:18,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 18:49:18,791 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 18:49:18,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 06:49:18" (1/2) ... [2018-12-03 18:49:18,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@237dd45 and model type afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 06:49:18, skipping insertion in model container [2018-12-03 18:49:18,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:49:18" (2/2) ... [2018-12-03 18:49:18,794 INFO L112 eAbstractionObserver]: Analyzing ICFG afnp2014.c.i_3.bpl [2018-12-03 18:49:18,805 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 18:49:18,815 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 18:49:18,834 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 18:49:18,882 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 18:49:18,882 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 18:49:18,882 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 18:49:18,882 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 18:49:18,882 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 18:49:18,883 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 18:49:18,883 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 18:49:18,883 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 18:49:18,903 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-12-03 18:49:18,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-03 18:49:18,913 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 18:49:18,914 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-12-03 18:49:18,917 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 18:49:18,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 18:49:18,926 INFO L82 PathProgramCache]: Analyzing trace with hash 925701, now seen corresponding path program 1 times [2018-12-03 18:49:18,929 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 18:49:18,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 18:49:18,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 18:49:18,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 18:49:18,988 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 18:49:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 18:49:19,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 18:49:19,108 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 18:49:19,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 18:49:19,109 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 18:49:19,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 18:49:19,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 18:49:19,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 18:49:19,128 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2018-12-03 18:49:19,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 18:49:19,193 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-12-03 18:49:19,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 18:49:19,195 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-12-03 18:49:19,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 18:49:19,207 INFO L225 Difference]: With dead ends: 11 [2018-12-03 18:49:19,207 INFO L226 Difference]: Without dead ends: 7 [2018-12-03 18:49:19,211 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 18:49:19,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-12-03 18:49:19,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-12-03 18:49:19,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-12-03 18:49:19,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-12-03 18:49:19,266 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-12-03 18:49:19,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 18:49:19,267 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-12-03 18:49:19,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 18:49:19,272 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-12-03 18:49:19,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-03 18:49:19,272 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 18:49:19,273 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-12-03 18:49:19,273 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 18:49:19,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 18:49:19,276 INFO L82 PathProgramCache]: Analyzing trace with hash 889531649, now seen corresponding path program 1 times [2018-12-03 18:49:19,276 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 18:49:19,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 18:49:19,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 18:49:19,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 18:49:19,281 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 18:49:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 18:49:19,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 18:49:19,499 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 18:49:19,499 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 18:49:19,500 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 7 with the following transitions: [2018-12-03 18:49:19,503 INFO L205 CegarAbsIntRunner]: [0], [2], [6], [8], [10] [2018-12-03 18:49:19,584 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2018-12-03 18:49:19,585 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 18:49:19,970 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 18:49:19,972 INFO L272 AbstractInterpreter]: Visited 5 different actions 47 times. Merged at 4 different actions 40 times. Widened at 3 different actions 20 times. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-12-03 18:49:19,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 18:49:19,991 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 18:49:19,991 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 18:49:19,992 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 18:49:20,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 18:49:20,008 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 18:49:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 18:49:20,042 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 18:49:20,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 18:49:20,060 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 18:49:20,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 18:49:20,116 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 18:49:20,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2018-12-03 18:49:20,116 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 18:49:20,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 18:49:20,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 18:49:20,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 18:49:20,118 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2018-12-03 18:49:20,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 18:49:20,204 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-12-03 18:49:20,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 18:49:20,206 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-12-03 18:49:20,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 18:49:20,206 INFO L225 Difference]: With dead ends: 11 [2018-12-03 18:49:20,206 INFO L226 Difference]: Without dead ends: 9 [2018-12-03 18:49:20,208 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-03 18:49:20,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-12-03 18:49:20,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-12-03 18:49:20,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-12-03 18:49:20,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-12-03 18:49:20,211 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2018-12-03 18:49:20,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 18:49:20,212 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-12-03 18:49:20,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 18:49:20,212 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-12-03 18:49:20,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-03 18:49:20,213 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 18:49:20,213 INFO L402 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1] [2018-12-03 18:49:20,214 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 18:49:20,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 18:49:20,215 INFO L82 PathProgramCache]: Analyzing trace with hash 141355773, now seen corresponding path program 2 times [2018-12-03 18:49:20,215 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 18:49:20,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 18:49:20,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 18:49:20,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 18:49:20,217 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 18:49:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 18:49:20,331 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 18:49:20,332 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 18:49:20,332 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 18:49:20,332 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-03 18:49:20,333 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-03 18:49:20,333 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 18:49:20,333 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 18:49:20,344 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-03 18:49:20,344 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-03 18:49:20,371 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-12-03 18:49:20,372 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-03 18:49:20,374 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 18:49:20,416 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 18:49:20,417 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 18:49:20,476 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 18:49:20,495 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 18:49:20,495 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2018-12-03 18:49:20,495 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 18:49:20,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 18:49:20,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 18:49:20,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-03 18:49:20,497 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 6 states. [2018-12-03 18:49:20,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 18:49:20,585 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2018-12-03 18:49:20,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 18:49:20,585 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-12-03 18:49:20,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 18:49:20,586 INFO L225 Difference]: With dead ends: 9 [2018-12-03 18:49:20,586 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 18:49:20,587 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-03 18:49:20,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 18:49:20,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 18:49:20,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 18:49:20,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 18:49:20,588 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2018-12-03 18:49:20,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 18:49:20,588 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 18:49:20,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 18:49:20,588 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 18:49:20,589 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 18:49:20,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 18:49:20,773 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 44) no Hoare annotation was computed. [2018-12-03 18:49:20,774 INFO L444 ceAbstractionStarter]: At program point L31(lines 15 31) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~y~5) (<= 1 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)) [2018-12-03 18:49:20,774 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 44) no Hoare annotation was computed. [2018-12-03 18:49:20,774 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 44) no Hoare annotation was computed. [2018-12-03 18:49:20,774 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 43) no Hoare annotation was computed. [2018-12-03 18:49:20,775 INFO L444 ceAbstractionStarter]: At program point L22(lines 22 32) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~y~5) (<= 1 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)) [2018-12-03 18:49:20,775 INFO L444 ceAbstractionStarter]: At program point L41(lines 41 42) the Hoare annotation is: false [2018-12-03 18:49:20,786 INFO L202 PluginConnector]: Adding new model afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 06:49:20 BoogieIcfgContainer [2018-12-03 18:49:20,786 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 18:49:20,787 INFO L168 Benchmark]: Toolchain (without parser) took 2354.92 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 108.4 MB). Peak memory consumption was 108.4 MB. Max. memory is 7.1 GB. [2018-12-03 18:49:20,789 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 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. [2018-12-03 18:49:20,790 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.62 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. [2018-12-03 18:49:20,790 INFO L168 Benchmark]: Boogie Preprocessor took 22.88 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. [2018-12-03 18:49:20,791 INFO L168 Benchmark]: RCFGBuilder took 285.61 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-12-03 18:49:20,792 INFO L168 Benchmark]: TraceAbstraction took 1998.83 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 87.2 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. [2018-12-03 18:49:20,797 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 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 Procedure Inliner took 42.62 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. * Boogie Preprocessor took 22.88 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 285.61 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1998.83 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 87.2 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: (0 <= main_~y~5 && 1 <= main_~x~5) && main_~y~5 <= main_~x~5 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (0 <= main_~y~5 && 1 <= main_~x~5) && main_~y~5 <= main_~x~5 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: false - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 1.9s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 0 SDslu, 3 SDs, 0 SdLazy, 15 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.4s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 5 NumberOfFragments, 21 HoareAnnotationTreeSize, 3 FomulaSimplifications, 32 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 739 SizeOfPredicates, 10 NumberOfNonLiveVariables, 63 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/24 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...