java -ea -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_compound_exp_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/array.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4b9831f [2018-12-23 14:06:27,438 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-23 14:06:27,440 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-23 14:06:27,452 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-12-23 14:06:27,488 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2018-12-23 14:06:27,502 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-23 14:06:27,502 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-23 14:06:27,503 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-23 14:06:27,504 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-23 14:06:27,504 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-23 14:06:27,504 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-23 14:06:27,504 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2018-12-23 14:06:27,505 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-23 14:06:27,505 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-23 14:06:27,505 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-23 14:06:27,505 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-23 14:06:27,505 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-23 14:06:27,506 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-23 14:06:27,506 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-23 14:06:27,507 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-23 14:06:27,507 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-23 14:06:27,507 INFO L133 SettingsManager]: * Use SBE=true [2018-12-23 14:06:27,507 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-23 14:06:27,508 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-23 14:06:27,508 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-23 14:06:27,508 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-23 14:06:27,508 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-23 14:06:27,508 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-23 14:06:27,509 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-23 14:06:27,509 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-23 14:06:27,509 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-23 14:06:27,509 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-23 14:06:27,509 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-23 14:06:27,510 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-23 14:06:27,510 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-23 14:06:27,510 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-23 14:06:27,510 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-23 14:06:27,511 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-23 14:06:27,511 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-23 14:06:27,511 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-23 14:06:27,511 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-23 14:06:27,512 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-23 14:06:27,512 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-23 14:06:27,512 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-23 14:06:27,512 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-23 14:06:27,562 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-23 14:06:27,578 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-23 14:06:27,587 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-23 14:06:27,589 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-23 14:06:27,589 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-23 14:06:27,590 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array.i_3.bpl [2018-12-23 14:06:27,591 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array.i_3.bpl' [2018-12-23 14:06:27,663 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-23 14:06:27,665 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-23 14:06:27,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-23 14:06:27,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-23 14:06:27,666 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-23 14:06:27,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:06:27" (1/1) ... [2018-12-23 14:06:27,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:06:27" (1/1) ... [2018-12-23 14:06:27,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-23 14:06:27,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-23 14:06:27,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-23 14:06:27,714 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-23 14:06:27,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:06:27" (1/1) ... [2018-12-23 14:06:27,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:06:27" (1/1) ... [2018-12-23 14:06:27,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:06:27" (1/1) ... [2018-12-23 14:06:27,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:06:27" (1/1) ... [2018-12-23 14:06:27,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:06:27" (1/1) ... [2018-12-23 14:06:27,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:06:27" (1/1) ... [2018-12-23 14:06:27,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:06:27" (1/1) ... [2018-12-23 14:06:27,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-23 14:06:27,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-23 14:06:27,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-23 14:06:27,745 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-23 14:06:27,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:06:27" (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 [2018-12-23 14:06:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-23 14:06:27,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-23 14:06:28,224 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-23 14:06:28,224 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-23 14:06:28,225 INFO L202 PluginConnector]: Adding new model array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 02:06:28 BoogieIcfgContainer [2018-12-23 14:06:28,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-23 14:06:28,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-23 14:06:28,231 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-23 14:06:28,240 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-23 14:06:28,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:06:27" (1/2) ... [2018-12-23 14:06:28,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29e4da5c and model type array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 02:06:28, skipping insertion in model container [2018-12-23 14:06:28,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 02:06:28" (2/2) ... [2018-12-23 14:06:28,249 INFO L112 eAbstractionObserver]: Analyzing ICFG array.i_3.bpl [2018-12-23 14:06:28,274 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-23 14:06:28,293 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-23 14:06:28,312 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-23 14:06:28,349 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-23 14:06:28,349 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-23 14:06:28,349 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-23 14:06:28,350 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-23 14:06:28,350 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-23 14:06:28,350 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-23 14:06:28,350 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-23 14:06:28,350 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-23 14:06:28,366 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-12-23 14:06:28,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-23 14:06:28,373 INFO L394 BasicCegarLoop]: Found error trace [2018-12-23 14:06:28,377 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-12-23 14:06:28,380 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-23 14:06:28,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-23 14:06:28,388 INFO L82 PathProgramCache]: Analyzing trace with hash 29955, now seen corresponding path program 1 times [2018-12-23 14:06:28,390 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-23 14:06:28,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-23 14:06:28,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-23 14:06:28,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-23 14:06:28,449 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-23 14:06:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-23 14:06:28,863 WARN L181 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 13 [2018-12-23 14:06:28,918 INFO L273 TraceCheckUtils]: 0: Hoare triple {9#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_~SIZE~5, main_~j~5, main_~k~5, main_~array~5, main_~menor~5;main_~SIZE~5 := 1;havoc main_~j~5;havoc main_~k~5;havoc main_~array~5;havoc main_~menor~5;assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647;main_~menor~5 := main_#t~nondet0;havoc main_#t~nondet0;main_~j~5 := 0; {11#(and (<= (div ULTIMATE.start_main_~SIZE~5 4294967296) (div ULTIMATE.start_main_~j~5 4294967296)) (<= (div ULTIMATE.start_main_~SIZE~5 4294967296) 0) (<= (+ ULTIMATE.start_main_~j~5 1) ULTIMATE.start_main_~SIZE~5))} is VALID [2018-12-23 14:06:28,932 INFO L273 TraceCheckUtils]: 1: Hoare triple {11#(and (<= (div ULTIMATE.start_main_~SIZE~5 4294967296) (div ULTIMATE.start_main_~j~5 4294967296)) (<= (div ULTIMATE.start_main_~SIZE~5 4294967296) 0) (<= (+ ULTIMATE.start_main_~j~5 1) ULTIMATE.start_main_~SIZE~5))} assume !(main_~j~5 % 4294967296 < main_~SIZE~5 % 4294967296);__VERIFIER_assert_#in~cond := (if main_~array~5[0] >= main_~menor~5 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {10#false} is VALID [2018-12-23 14:06:28,933 INFO L273 TraceCheckUtils]: 2: Hoare triple {10#false} assume !false; {10#false} is VALID [2018-12-23 14:06:28,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-23 14:06:28,937 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-23 14:06:28,937 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-23 14:06:28,938 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-23 14:06:28,943 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-12-23 14:06:28,945 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-23 14:06:28,949 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-12-23 14:06:28,992 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-23 14:06:28,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-23 14:06:29,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-23 14:06:29,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-23 14:06:29,003 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-12-23 14:06:29,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-23 14:06:29,091 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2018-12-23 14:06:29,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-23 14:06:29,092 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-12-23 14:06:29,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-23 14:06:29,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-12-23 14:06:29,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2018-12-23 14:06:29,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-12-23 14:06:29,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2018-12-23 14:06:29,101 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 10 transitions. [2018-12-23 14:06:29,174 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-23 14:06:29,190 INFO L225 Difference]: With dead ends: 9 [2018-12-23 14:06:29,191 INFO L226 Difference]: Without dead ends: 5 [2018-12-23 14:06:29,195 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-23 14:06:29,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-12-23 14:06:29,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-12-23 14:06:29,275 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-23 14:06:29,276 INFO L82 GeneralOperation]: Start isEquivalent. First operand 5 states. Second operand 5 states. [2018-12-23 14:06:29,276 INFO L74 IsIncluded]: Start isIncluded. First operand 5 states. Second operand 5 states. [2018-12-23 14:06:29,277 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 5 states. [2018-12-23 14:06:29,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-23 14:06:29,278 INFO L93 Difference]: Finished difference Result 5 states and 5 transitions. [2018-12-23 14:06:29,278 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-12-23 14:06:29,279 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-23 14:06:29,279 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-23 14:06:29,279 INFO L74 IsIncluded]: Start isIncluded. First operand 5 states. Second operand 5 states. [2018-12-23 14:06:29,279 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 5 states. [2018-12-23 14:06:29,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-23 14:06:29,281 INFO L93 Difference]: Finished difference Result 5 states and 5 transitions. [2018-12-23 14:06:29,281 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-12-23 14:06:29,281 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-23 14:06:29,282 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-23 14:06:29,282 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-23 14:06:29,282 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-23 14:06:29,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-12-23 14:06:29,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-12-23 14:06:29,285 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-12-23 14:06:29,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-23 14:06:29,286 INFO L480 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-12-23 14:06:29,286 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-23 14:06:29,286 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-12-23 14:06:29,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-23 14:06:29,287 INFO L394 BasicCegarLoop]: Found error trace [2018-12-23 14:06:29,287 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-12-23 14:06:29,287 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-23 14:06:29,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-23 14:06:29,288 INFO L82 PathProgramCache]: Analyzing trace with hash 930412, now seen corresponding path program 1 times [2018-12-23 14:06:29,288 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-23 14:06:29,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-23 14:06:29,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-23 14:06:29,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-23 14:06:29,290 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-23 14:06:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-23 14:06:29,558 WARN L181 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 5 [2018-12-23 14:06:29,765 INFO L273 TraceCheckUtils]: 0: Hoare triple {45#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_~SIZE~5, main_~j~5, main_~k~5, main_~array~5, main_~menor~5;main_~SIZE~5 := 1;havoc main_~j~5;havoc main_~k~5;havoc main_~array~5;havoc main_~menor~5;assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647;main_~menor~5 := main_#t~nondet0;havoc main_#t~nondet0;main_~j~5 := 0; {47#(= ULTIMATE.start_main_~j~5 (* 4294967296 (div ULTIMATE.start_main_~j~5 4294967296)))} is VALID [2018-12-23 14:06:29,776 INFO L273 TraceCheckUtils]: 1: Hoare triple {47#(= ULTIMATE.start_main_~j~5 (* 4294967296 (div ULTIMATE.start_main_~j~5 4294967296)))} assume !!(main_~j~5 % 4294967296 < main_~SIZE~5 % 4294967296);assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647;main_~array~5 := main_~array~5[main_~j~5 % 4294967296 := main_#t~nondet2];havoc main_#t~nondet2;assume main_~array~5[main_~j~5 % 4294967296] <= main_~menor~5;main_~menor~5 := main_~array~5[main_~j~5 % 4294967296];main_#t~post1 := main_~j~5;main_~j~5 := main_#t~post1 + 1;havoc main_#t~post1; {48#(= (select ULTIMATE.start_main_~array~5 0) ULTIMATE.start_main_~menor~5)} is VALID [2018-12-23 14:06:29,777 INFO L273 TraceCheckUtils]: 2: Hoare triple {48#(= (select ULTIMATE.start_main_~array~5 0) ULTIMATE.start_main_~menor~5)} assume !(main_~j~5 % 4294967296 < main_~SIZE~5 % 4294967296);__VERIFIER_assert_#in~cond := (if main_~array~5[0] >= main_~menor~5 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {46#false} is VALID [2018-12-23 14:06:29,778 INFO L273 TraceCheckUtils]: 3: Hoare triple {46#false} assume !false; {46#false} is VALID [2018-12-23 14:06:29,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-23 14:06:29,778 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-23 14:06:29,779 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-23 14:06:29,780 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 5 with the following transitions: [2018-12-23 14:06:29,782 INFO L207 CegarAbsIntRunner]: [0], [5], [7], [9] [2018-12-23 14:06:29,818 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-23 14:06:29,818 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-23 14:06:29,976 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-23 14:06:29,977 INFO L272 AbstractInterpreter]: Visited 4 different actions 6 times. Merged at 1 different actions 1 times. Never widened. Performed 51 root evaluator evaluations with a maximum evaluation depth of 5. Performed 51 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-12-23 14:06:29,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-23 14:06:29,983 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-23 14:06:29,983 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-23 14:06:29,983 INFO L193 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 [2018-12-23 14:06:30,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-23 14:06:30,002 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-23 14:06:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-23 14:06:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-23 14:06:30,054 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-23 14:06:30,323 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-23 14:06:30,327 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-23 14:06:30,337 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-23 14:06:30,337 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-12-23 14:06:30,340 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-23 14:06:30,341 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~array~5_7, |v_ULTIMATE.start_main_#t~nondet2_4|]. (and (= (store v_ULTIMATE.start_main_~array~5_7 0 |v_ULTIMATE.start_main_#t~nondet2_4|) ULTIMATE.start_main_~array~5) (<= ULTIMATE.start_main_~menor~5 (select ULTIMATE.start_main_~array~5 0))) [2018-12-23 14:06:30,341 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (<= ULTIMATE.start_main_~menor~5 (select ULTIMATE.start_main_~array~5 0)) [2018-12-23 14:06:30,488 INFO L273 TraceCheckUtils]: 0: Hoare triple {45#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_~SIZE~5, main_~j~5, main_~k~5, main_~array~5, main_~menor~5;main_~SIZE~5 := 1;havoc main_~j~5;havoc main_~k~5;havoc main_~array~5;havoc main_~menor~5;assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647;main_~menor~5 := main_#t~nondet0;havoc main_#t~nondet0;main_~j~5 := 0; {52#(= ULTIMATE.start_main_~j~5 0)} is VALID [2018-12-23 14:06:30,490 INFO L273 TraceCheckUtils]: 1: Hoare triple {52#(= ULTIMATE.start_main_~j~5 0)} assume !!(main_~j~5 % 4294967296 < main_~SIZE~5 % 4294967296);assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647;main_~array~5 := main_~array~5[main_~j~5 % 4294967296 := main_#t~nondet2];havoc main_#t~nondet2;assume main_~array~5[main_~j~5 % 4294967296] <= main_~menor~5;main_~menor~5 := main_~array~5[main_~j~5 % 4294967296];main_#t~post1 := main_~j~5;main_~j~5 := main_#t~post1 + 1;havoc main_#t~post1; {56#(<= ULTIMATE.start_main_~menor~5 (select ULTIMATE.start_main_~array~5 0))} is VALID [2018-12-23 14:06:30,491 INFO L273 TraceCheckUtils]: 2: Hoare triple {56#(<= ULTIMATE.start_main_~menor~5 (select ULTIMATE.start_main_~array~5 0))} assume !(main_~j~5 % 4294967296 < main_~SIZE~5 % 4294967296);__VERIFIER_assert_#in~cond := (if main_~array~5[0] >= main_~menor~5 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {46#false} is VALID [2018-12-23 14:06:30,491 INFO L273 TraceCheckUtils]: 3: Hoare triple {46#false} assume !false; {46#false} is VALID [2018-12-23 14:06:30,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-23 14:06:30,493 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-23 14:06:30,690 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2018-12-23 14:06:30,714 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-23 14:06:30,719 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-23 14:06:30,719 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-12-23 14:06:30,725 INFO L273 TraceCheckUtils]: 3: Hoare triple {46#false} assume !false; {46#false} is VALID [2018-12-23 14:06:30,727 INFO L273 TraceCheckUtils]: 2: Hoare triple {56#(<= ULTIMATE.start_main_~menor~5 (select ULTIMATE.start_main_~array~5 0))} assume !(main_~j~5 % 4294967296 < main_~SIZE~5 % 4294967296);__VERIFIER_assert_#in~cond := (if main_~array~5[0] >= main_~menor~5 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {46#false} is VALID [2018-12-23 14:06:30,732 INFO L273 TraceCheckUtils]: 1: Hoare triple {47#(= ULTIMATE.start_main_~j~5 (* 4294967296 (div ULTIMATE.start_main_~j~5 4294967296)))} assume !!(main_~j~5 % 4294967296 < main_~SIZE~5 % 4294967296);assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647;main_~array~5 := main_~array~5[main_~j~5 % 4294967296 := main_#t~nondet2];havoc main_#t~nondet2;assume main_~array~5[main_~j~5 % 4294967296] <= main_~menor~5;main_~menor~5 := main_~array~5[main_~j~5 % 4294967296];main_#t~post1 := main_~j~5;main_~j~5 := main_#t~post1 + 1;havoc main_#t~post1; {56#(<= ULTIMATE.start_main_~menor~5 (select ULTIMATE.start_main_~array~5 0))} is VALID [2018-12-23 14:06:30,733 INFO L273 TraceCheckUtils]: 0: Hoare triple {45#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_~SIZE~5, main_~j~5, main_~k~5, main_~array~5, main_~menor~5;main_~SIZE~5 := 1;havoc main_~j~5;havoc main_~k~5;havoc main_~array~5;havoc main_~menor~5;assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647;main_~menor~5 := main_#t~nondet0;havoc main_#t~nondet0;main_~j~5 := 0; {47#(= ULTIMATE.start_main_~j~5 (* 4294967296 (div ULTIMATE.start_main_~j~5 4294967296)))} is VALID [2018-12-23 14:06:30,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-23 14:06:30,756 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-23 14:06:30,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2018-12-23 14:06:30,757 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-23 14:06:30,757 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2018-12-23 14:06:30,758 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-23 14:06:30,758 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-12-23 14:06:30,806 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-23 14:06:30,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-23 14:06:30,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-23 14:06:30,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-23 14:06:30,807 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 6 states. [2018-12-23 14:06:30,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-23 14:06:30,905 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2018-12-23 14:06:30,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-23 14:06:30,905 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2018-12-23 14:06:30,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-23 14:06:30,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-12-23 14:06:30,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2018-12-23 14:06:30,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-12-23 14:06:30,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2018-12-23 14:06:30,908 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 7 transitions. [2018-12-23 14:06:30,923 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-23 14:06:30,923 INFO L225 Difference]: With dead ends: 6 [2018-12-23 14:06:30,923 INFO L226 Difference]: Without dead ends: 0 [2018-12-23 14:06:30,924 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-23 14:06:30,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-23 14:06:30,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-23 14:06:30,925 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-23 14:06:30,925 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-12-23 14:06:30,925 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-12-23 14:06:30,926 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-12-23 14:06:30,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-23 14:06:30,926 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-12-23 14:06:30,926 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-23 14:06:30,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-23 14:06:30,927 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-23 14:06:30,927 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-12-23 14:06:30,927 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-12-23 14:06:30,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-23 14:06:30,927 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-12-23 14:06:30,928 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-23 14:06:30,928 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-23 14:06:30,928 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-23 14:06:30,928 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-23 14:06:30,929 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-23 14:06:30,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-23 14:06:30,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-23 14:06:30,929 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2018-12-23 14:06:30,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-23 14:06:30,930 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-23 14:06:30,930 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-23 14:06:30,930 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-23 14:06:30,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-23 14:06:31,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-23 14:06:31,240 WARN L181 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 16 [2018-12-23 14:06:31,305 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 53) no Hoare annotation was computed. [2018-12-23 14:06:31,306 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 53) no Hoare annotation was computed. [2018-12-23 14:06:31,306 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 53) no Hoare annotation was computed. [2018-12-23 14:06:31,306 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 52) no Hoare annotation was computed. [2018-12-23 14:06:31,306 INFO L444 ceAbstractionStarter]: At program point L39(lines 39 51) the Hoare annotation is: false [2018-12-23 14:06:31,307 INFO L444 ceAbstractionStarter]: At program point L50(lines 26 50) the Hoare annotation is: (or (<= ULTIMATE.start_main_~menor~5 (select ULTIMATE.start_main_~array~5 0)) (and (= ULTIMATE.start_main_~j~5 0) (<= (div ULTIMATE.start_main_~SIZE~5 4294967296) 0) (<= (+ ULTIMATE.start_main_~j~5 1) ULTIMATE.start_main_~SIZE~5))) [2018-12-23 14:06:31,309 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-12-23 14:06:31,337 WARN L170 areAnnotationChecker]: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has no Hoare annotation [2018-12-23 14:06:31,338 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-12-23 14:06:31,338 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-12-23 14:06:31,338 INFO L163 areAnnotationChecker]: CFG has 2 edges. 2 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-12-23 14:06:31,346 INFO L202 PluginConnector]: Adding new model array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 02:06:31 BoogieIcfgContainer [2018-12-23 14:06:31,346 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-23 14:06:31,348 INFO L168 Benchmark]: Toolchain (without parser) took 3684.22 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 618.7 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -623.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-12-23 14:06:31,349 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.28 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. [2018-12-23 14:06:31,349 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.99 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. [2018-12-23 14:06:31,350 INFO L168 Benchmark]: Boogie Preprocessor took 29.99 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. [2018-12-23 14:06:31,350 INFO L168 Benchmark]: RCFGBuilder took 480.78 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. [2018-12-23 14:06:31,351 INFO L168 Benchmark]: TraceAbstraction took 3115.34 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 618.7 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -644.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-12-23 14:06:31,355 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.28 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 47.99 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 29.99 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 480.78 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 3115.34 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 618.7 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -644.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 52]: 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: 39]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: main_~menor~5 <= main_~array~5[0] || ((main_~j~5 == 0 && main_~SIZE~5 / 4294967296 <= 0) && main_~j~5 + 1 <= main_~SIZE~5) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. SAFE Result, 2.9s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 0 SDslu, 1 SDs, 0 SdLazy, 12 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 21 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 143 SizeOfPredicates, 6 NumberOfNonLiveVariables, 27 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/3 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...