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 -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/dll_extends_pointer_true-valid-memsafety.i_29.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:01:03,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:01:03,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:01:03,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:01:03,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:01:03,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:01:03,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:01:03,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:01:03,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:01:03,801 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:01:03,802 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:01:03,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:01:03,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:01:03,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:01:03,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:01:03,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:01:03,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:01:03,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:01:03,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:01:03,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:01:03,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:01:03,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:01:03,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:01:03,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:01:03,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 11:01:03,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:01:03,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:01:03,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:01:03,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:01:03,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:01:03,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:01:03,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:01:03,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:01:03,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:01:03,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:01:03,843 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:01:03,882 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:01:03,899 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:01:03,903 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:01:03,904 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:01:03,905 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:01:03,906 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/dll_extends_pointer_true-valid-memsafety.i_29.bpl [2019-08-05 11:01:03,906 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/dll_extends_pointer_true-valid-memsafety.i_29.bpl' [2019-08-05 11:01:03,973 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:01:03,975 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:01:03,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:01:03,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:01:03,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:01:03,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dll_extends_pointer_true-valid-memsafety.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:03" (1/1) ... [2019-08-05 11:01:04,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dll_extends_pointer_true-valid-memsafety.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:03" (1/1) ... [2019-08-05 11:01:04,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:01:04,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:01:04,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:01:04,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:01:04,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:03" (1/1) ... [2019-08-05 11:01:04,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:03" (1/1) ... [2019-08-05 11:01:04,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:03" (1/1) ... [2019-08-05 11:01:04,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:03" (1/1) ... [2019-08-05 11:01:04,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:03" (1/1) ... [2019-08-05 11:01:04,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:03" (1/1) ... [2019-08-05 11:01:04,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:03" (1/1) ... [2019-08-05 11:01:04,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:01:04,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:01:04,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:01:04,070 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:01:04,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dll_extends_pointer_true-valid-memsafety.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:03" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-05 11:01:04,157 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 11:01:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:01:04,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:01:04,506 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:01:04,507 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:01:04,509 INFO L202 PluginConnector]: Adding new model dll_extends_pointer_true-valid-memsafety.i_29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:01:04 BoogieIcfgContainer [2019-08-05 11:01:04,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:01:04,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:01:04,511 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:01:04,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:01:04,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dll_extends_pointer_true-valid-memsafety.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:03" (1/2) ... [2019-08-05 11:01:04,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28839c04 and model type dll_extends_pointer_true-valid-memsafety.i_29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:01:04, skipping insertion in model container [2019-08-05 11:01:04,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dll_extends_pointer_true-valid-memsafety.i_29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:01:04" (2/2) ... [2019-08-05 11:01:04,520 INFO L109 eAbstractionObserver]: Analyzing ICFG dll_extends_pointer_true-valid-memsafety.i_29.bpl [2019-08-05 11:01:04,534 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:01:04,543 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:01:04,587 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:01:04,627 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:01:04,628 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:01:04,628 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:01:04,628 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:01:04,628 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:01:04,629 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:01:04,629 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:01:04,629 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:01:04,629 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:01:04,651 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-08-05 11:01:04,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-08-05 11:01:04,668 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:01:04,669 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-08-05 11:01:04,673 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:01:04,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:01:04,683 INFO L82 PathProgramCache]: Analyzing trace with hash 889539531, now seen corresponding path program 1 times [2019-08-05 11:01:04,750 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:01:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:01:04,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2019-08-05 11:01:04,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:01:04,965 INFO L375 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 [2019-08-05 11:01:04,966 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:04,999 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:04,999 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 11:01:05,000 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-08-05 11:01:05,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 11:01:05,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:01:05,037 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-05 11:01:05,041 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 11:01:05,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 11:01:05,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 11:01:05,055 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 4 states. [2019-08-05 11:01:05,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:01:05,217 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2019-08-05 11:01:05,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-05 11:01:05,219 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-08-05 11:01:05,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:01:05,230 INFO L225 Difference]: With dead ends: 9 [2019-08-05 11:01:05,230 INFO L226 Difference]: Without dead ends: 9 [2019-08-05 11:01:05,232 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-08-05 11:01:05,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-08-05 11:01:05,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-08-05 11:01:05,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-08-05 11:01:05,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2019-08-05 11:01:05,266 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6 [2019-08-05 11:01:05,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:01:05,267 INFO L475 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2019-08-05 11:01:05,267 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 11:01:05,267 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-08-05 11:01:05,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-08-05 11:01:05,268 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:01:05,268 INFO L399 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2019-08-05 11:01:05,269 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:01:05,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:01:05,269 INFO L82 PathProgramCache]: Analyzing trace with hash 149049733, now seen corresponding path program 1 times [2019-08-05 11:01:05,271 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:01:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:01:05,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 26 conjunts are in the unsatisfiable core [2019-08-05 11:01:05,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:01:05,496 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:05,508 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:05,518 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:05,523 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 24 [2019-08-05 11:01:05,524 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:05,650 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-08-05 11:01:05,651 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:05,692 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:05,716 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:05,718 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:05,720 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 24 [2019-08-05 11:01:05,721 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:05,797 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:05,799 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:05,800 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:50, output treesize:39 [2019-08-05 11:01:06,014 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2019-08-05 11:01:06,036 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:06,039 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:06,040 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 10 [2019-08-05 11:01:06,041 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:06,073 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:06,083 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:06,084 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:06,099 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:06,099 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 13 [2019-08-05 11:01:06,100 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:06,146 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:06,148 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-05 11:01:06,149 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:59, output treesize:7 [2019-08-05 11:01:06,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 11:01:06,279 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 11:01:06,280 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2019-08-05 11:01:06,283 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-08-05 11:01:06,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-08-05 11:01:06,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-08-05 11:01:06,284 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand 5 states. [2019-08-05 11:01:06,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:01:06,519 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2019-08-05 11:01:06,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-08-05 11:01:06,519 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2019-08-05 11:01:06,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:01:06,520 INFO L225 Difference]: With dead ends: 14 [2019-08-05 11:01:06,520 INFO L226 Difference]: Without dead ends: 11 [2019-08-05 11:01:06,521 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-08-05 11:01:06,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-08-05 11:01:06,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-08-05 11:01:06,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-08-05 11:01:06,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2019-08-05 11:01:06,524 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 8 [2019-08-05 11:01:06,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:01:06,524 INFO L475 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2019-08-05 11:01:06,524 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-08-05 11:01:06,525 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-08-05 11:01:06,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-08-05 11:01:06,525 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:01:06,526 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-08-05 11:01:06,526 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:01:06,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:01:06,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1897191999, now seen corresponding path program 1 times [2019-08-05 11:01:06,527 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:01:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:01:06,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 45 conjunts are in the unsatisfiable core [2019-08-05 11:01:06,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:01:06,748 INFO L375 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 [2019-08-05 11:01:06,749 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:06,802 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:06,803 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:06,803 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2019-08-05 11:01:06,908 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:06,908 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-08-05 11:01:06,909 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:06,912 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:06,975 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:07,026 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:07,029 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 24 [2019-08-05 11:01:07,030 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:07,088 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:07,090 INFO L496 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:07,091 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:90, output treesize:37 [2019-08-05 11:01:07,262 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2019-08-05 11:01:07,263 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:07,626 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-08-05 11:01:07,626 INFO L567 ElimStorePlain]: treesize reduction 8, result has 85.5 percent of original size [2019-08-05 11:01:07,676 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:07,699 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:07,700 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 29 [2019-08-05 11:01:07,701 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:07,887 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 16 [2019-08-05 11:01:07,887 INFO L567 ElimStorePlain]: treesize reduction 14, result has 62.2 percent of original size [2019-08-05 11:01:07,889 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:07,889 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:61, output treesize:11 [2019-08-05 11:01:07,936 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 11:01:07,937 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 11:01:07,937 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-08-05 11:01:07,938 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-08-05 11:01:07,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-08-05 11:01:07,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-08-05 11:01:07,939 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 7 states. [2019-08-05 11:01:08,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:01:08,117 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2019-08-05 11:01:08,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-08-05 11:01:08,118 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 10 [2019-08-05 11:01:08,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:01:08,119 INFO L225 Difference]: With dead ends: 13 [2019-08-05 11:01:08,119 INFO L226 Difference]: Without dead ends: 13 [2019-08-05 11:01:08,119 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-08-05 11:01:08,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-08-05 11:01:08,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-08-05 11:01:08,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-08-05 11:01:08,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2019-08-05 11:01:08,123 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 10 [2019-08-05 11:01:08,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:01:08,123 INFO L475 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2019-08-05 11:01:08,123 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-08-05 11:01:08,123 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2019-08-05 11:01:08,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-08-05 11:01:08,124 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:01:08,124 INFO L399 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1] [2019-08-05 11:01:08,125 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:01:08,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:01:08,125 INFO L82 PathProgramCache]: Analyzing trace with hash 2135429881, now seen corresponding path program 2 times [2019-08-05 11:01:08,126 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:01:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:01:08,359 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 66 conjunts are in the unsatisfiable core [2019-08-05 11:01:08,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:01:08,408 INFO L375 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 [2019-08-05 11:01:08,408 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:08,455 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:08,463 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:08,464 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:08,465 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:08,471 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2019-08-05 11:01:08,472 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:08,504 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:08,510 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:08,511 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:08,513 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:08,515 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2019-08-05 11:01:08,516 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:08,545 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:08,547 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:08,547 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:58, output treesize:56 [2019-08-05 11:01:08,617 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:08,618 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-08-05 11:01:08,619 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:08,620 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:08,704 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:08,705 INFO L392 ElimStorePlain]: Different costs {14=[|v_#memory_$Pointer$.offset_12|], 24=[|v_#memory_$Pointer$.base_13|]} [2019-08-05 11:01:08,716 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:08,717 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:08,742 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:08,801 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:08,802 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 74 [2019-08-05 11:01:08,803 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:08,991 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-08-05 11:01:08,992 INFO L567 ElimStorePlain]: treesize reduction 18, result has 89.7 percent of original size [2019-08-05 11:01:09,048 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:09,051 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:09,055 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:09,057 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:09,063 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:09,148 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:09,149 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 112 [2019-08-05 11:01:09,151 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:09,303 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2019-08-05 11:01:09,303 INFO L567 ElimStorePlain]: treesize reduction 36, result has 78.6 percent of original size [2019-08-05 11:01:09,305 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:09,306 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:09,307 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:09,311 INFO L496 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:09,312 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 8 variables, input treesize:194, output treesize:160 [2019-08-05 11:01:09,312 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:09,313 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:09,313 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:09,347 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:09,348 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:09,349 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:09,372 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:09,373 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:09,373 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:09,410 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:09,411 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:09,411 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:09,567 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-08-05 11:01:09,570 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:01:09,919 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-08-05 11:01:09,923 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:01:10,150 INFO L392 ElimStorePlain]: Different costs {179=[|#memory_$Pointer$.offset|], 339=[|#memory_$Pointer$.base|]} [2019-08-05 11:01:10,161 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:10,164 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:10,165 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:10,171 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:10,203 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:10,256 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:10,257 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 147 treesize of output 176 [2019-08-05 11:01:10,258 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,259 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,260 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,261 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,261 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,262 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,263 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,265 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,266 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,266 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,267 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,269 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,270 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,271 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,272 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,272 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,275 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,276 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,277 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,278 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,280 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,281 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,282 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,282 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,283 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,284 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,285 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,287 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,288 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,288 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,289 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,291 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,292 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,293 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,294 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,294 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,296 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,297 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,298 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,299 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,302 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:10,364 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:10,394 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:10,401 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:10,406 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:10,430 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:10,431 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 155 treesize of output 130 [2019-08-05 11:01:10,433 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,434 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,435 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:10,455 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:10,471 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:10,472 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 142 treesize of output 120 [2019-08-05 11:01:10,473 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,473 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,474 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,475 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,475 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,476 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,477 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:10,732 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 98 [2019-08-05 11:01:10,733 INFO L567 ElimStorePlain]: treesize reduction 106, result has 71.0 percent of original size [2019-08-05 11:01:10,784 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:10,814 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:10,820 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:10,822 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:10,825 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:10,826 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:10,827 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:10,829 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:10,830 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:10,832 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:10,895 INFO L341 Elim1Store]: treesize reduction 16, result has 76.5 percent of original size [2019-08-05 11:01:10,896 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 98 treesize of output 101 [2019-08-05 11:01:10,900 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,900 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,900 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,901 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:10,921 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:10,921 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:10,922 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:10,924 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:10,925 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:10,927 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:10,964 INFO L341 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2019-08-05 11:01:10,965 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 82 treesize of output 71 [2019-08-05 11:01:10,966 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,967 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:10,968 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:11,055 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:11,070 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:11,077 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:11,078 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:11,082 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:11,085 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:11,122 INFO L341 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2019-08-05 11:01:11,123 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 78 treesize of output 71 [2019-08-05 11:01:11,124 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:11,125 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:11,125 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:11,280 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2019-08-05 11:01:11,280 INFO L567 ElimStorePlain]: treesize reduction 43, result has 69.7 percent of original size [2019-08-05 11:01:11,284 INFO L496 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-05 11:01:11,284 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:445, output treesize:7 [2019-08-05 11:01:11,322 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 11:01:11,323 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 11:01:11,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2019-08-05 11:01:11,323 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-08-05 11:01:11,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-08-05 11:01:11,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-08-05 11:01:11,324 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand 8 states. [2019-08-05 11:01:12,970 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-08-05 11:01:13,185 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-08-05 11:01:13,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:01:13,247 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2019-08-05 11:01:13,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-08-05 11:01:13,249 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2019-08-05 11:01:13,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:01:13,250 INFO L225 Difference]: With dead ends: 20 [2019-08-05 11:01:13,250 INFO L226 Difference]: Without dead ends: 15 [2019-08-05 11:01:13,251 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-08-05 11:01:13,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-08-05 11:01:13,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-08-05 11:01:13,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-08-05 11:01:13,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2019-08-05 11:01:13,254 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2019-08-05 11:01:13,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:01:13,254 INFO L475 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2019-08-05 11:01:13,254 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-08-05 11:01:13,255 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2019-08-05 11:01:13,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-08-05 11:01:13,255 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:01:13,255 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1] [2019-08-05 11:01:13,256 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:01:13,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:01:13,256 INFO L82 PathProgramCache]: Analyzing trace with hash 87273139, now seen corresponding path program 3 times [2019-08-05 11:01:13,257 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:01:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:01:13,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 78 conjunts are in the unsatisfiable core [2019-08-05 11:01:13,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:01:13,458 INFO L375 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 [2019-08-05 11:01:13,459 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:13,483 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:13,483 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 11:01:13,483 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-08-05 11:01:13,610 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:13,662 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:13,662 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 34 [2019-08-05 11:01:13,663 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:13,725 INFO L567 ElimStorePlain]: treesize reduction 14, result has 86.8 percent of original size [2019-08-05 11:01:13,733 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:13,736 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 24 [2019-08-05 11:01:13,736 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:13,761 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:13,763 INFO L496 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:13,763 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:99, output treesize:45 [2019-08-05 11:01:13,926 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:13,927 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 89 [2019-08-05 11:01:13,928 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:14,081 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-08-05 11:01:14,081 INFO L567 ElimStorePlain]: treesize reduction 40, result has 77.3 percent of original size [2019-08-05 11:01:14,091 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:14,093 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:14,315 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-08-05 11:01:14,315 INFO L341 Elim1Store]: treesize reduction 11, result has 92.4 percent of original size [2019-08-05 11:01:14,316 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 102 treesize of output 183 [2019-08-05 11:01:14,318 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:14,451 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 49 [2019-08-05 11:01:14,452 INFO L567 ElimStorePlain]: treesize reduction 176, result has 35.3 percent of original size [2019-08-05 11:01:14,454 INFO L496 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:14,454 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:130, output treesize:113 [2019-08-05 11:01:14,891 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2019-08-05 11:01:14,899 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:14,901 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 37 [2019-08-05 11:01:14,902 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:15,004 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-08-05 11:01:15,005 INFO L567 ElimStorePlain]: treesize reduction 12, result has 89.6 percent of original size [2019-08-05 11:01:15,006 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:15,006 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:121, output treesize:103 [2019-08-05 11:01:15,130 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:15,132 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:15,134 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:15,135 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:15,142 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:15,143 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 53 [2019-08-05 11:01:15,144 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:15,229 INFO L567 ElimStorePlain]: treesize reduction 34, result has 74.0 percent of original size [2019-08-05 11:01:15,240 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:15,242 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:15,244 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:15,244 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:15,303 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:15,304 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 68 treesize of output 111 [2019-08-05 11:01:15,305 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:15,306 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:15,307 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:15,307 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:15,308 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:15,309 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:15,309 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:15,310 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:15,311 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:15,385 INFO L567 ElimStorePlain]: treesize reduction 48, result has 47.8 percent of original size [2019-08-05 11:01:15,387 INFO L496 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:15,387 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:123, output treesize:20 [2019-08-05 11:01:16,276 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 7 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 11:01:16,277 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 11:01:16,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2019-08-05 11:01:16,277 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-08-05 11:01:16,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-08-05 11:01:16,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=66, Unknown=3, NotChecked=0, Total=90 [2019-08-05 11:01:16,278 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 10 states. [2019-08-05 11:01:17,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:01:17,656 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2019-08-05 11:01:17,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-08-05 11:01:17,657 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 14 [2019-08-05 11:01:17,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:01:17,658 INFO L225 Difference]: With dead ends: 17 [2019-08-05 11:01:17,658 INFO L226 Difference]: Without dead ends: 17 [2019-08-05 11:01:17,659 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=43, Invalid=131, Unknown=8, NotChecked=0, Total=182 [2019-08-05 11:01:17,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-08-05 11:01:17,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-08-05 11:01:17,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-08-05 11:01:17,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2019-08-05 11:01:17,662 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 14 [2019-08-05 11:01:17,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:01:17,662 INFO L475 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2019-08-05 11:01:17,662 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-08-05 11:01:17,662 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2019-08-05 11:01:17,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-08-05 11:01:17,663 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:01:17,663 INFO L399 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1] [2019-08-05 11:01:17,663 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:01:17,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:01:17,663 INFO L82 PathProgramCache]: Analyzing trace with hash -2029806995, now seen corresponding path program 4 times [2019-08-05 11:01:17,664 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:01:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:01:17,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 99 conjunts are in the unsatisfiable core [2019-08-05 11:01:17,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:01:17,909 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:17,910 INFO L375 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 1 [2019-08-05 11:01:17,910 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:18,039 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2019-08-05 11:01:18,040 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:18,103 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 11:01:18,104 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:18,282 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2019-08-05 11:01:18,282 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:18,313 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 11:01:18,313 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:18,500 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2019-08-05 11:01:18,501 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:18,501 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-05 11:01:18,501 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:49, output treesize:44 [2019-08-05 11:01:18,710 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2019-08-05 11:01:18,776 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:18,798 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:18,798 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 34 [2019-08-05 11:01:18,799 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:18,800 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:18,995 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-08-05 11:01:18,996 INFO L567 ElimStorePlain]: treesize reduction 14, result has 93.2 percent of original size [2019-08-05 11:01:18,997 INFO L392 ElimStorePlain]: Different costs {12=[|v_#memory_$Pointer$.offset_14|], 18=[|v_#memory_$Pointer$.base_17|]} [2019-08-05 11:01:19,007 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:19,009 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:19,023 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:19,024 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 66 [2019-08-05 11:01:19,025 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:19,189 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2019-08-05 11:01:19,190 INFO L567 ElimStorePlain]: treesize reduction 20, result has 88.4 percent of original size [2019-08-05 11:01:19,201 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:19,203 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:19,241 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:19,242 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 87 treesize of output 96 [2019-08-05 11:01:19,243 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:19,414 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2019-08-05 11:01:19,415 INFO L567 ElimStorePlain]: treesize reduction 28, result has 81.6 percent of original size [2019-08-05 11:01:19,416 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:19,417 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:19,418 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:19,420 INFO L496 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:19,420 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 8 variables, input treesize:199, output treesize:152 [2019-08-05 11:01:19,420 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:19,421 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:19,422 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:19,517 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:19,518 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:19,519 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:19,556 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:19,557 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:19,557 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:19,649 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:19,650 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 266 treesize of output 276 [2019-08-05 11:01:19,651 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:19,651 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:19,652 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:19,702 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:19,702 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 274 treesize of output 284 [2019-08-05 11:01:19,704 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:19,704 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:19,705 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:19,761 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:19,762 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 270 treesize of output 280 [2019-08-05 11:01:19,763 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:19,763 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:19,764 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:19,770 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-05 11:01:19,770 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:20,714 WARN L188 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2019-08-05 11:01:20,715 INFO L567 ElimStorePlain]: treesize reduction 28, result has 96.5 percent of original size [2019-08-05 11:01:20,716 INFO L392 ElimStorePlain]: Different costs {34=[|v_#memory_$Pointer$.offset_15|], 44=[|v_#memory_$Pointer$.base_18|]} [2019-08-05 11:01:20,740 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:20,749 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:20,860 INFO L235 Elim1Store]: Index analysis took 131 ms [2019-08-05 11:01:20,956 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:20,957 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 250 treesize of output 233 [2019-08-05 11:01:20,958 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:21,001 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:21,010 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:21,125 INFO L235 Elim1Store]: Index analysis took 138 ms [2019-08-05 11:01:21,130 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:21,223 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:21,297 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:21,297 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 244 treesize of output 335 [2019-08-05 11:01:21,299 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:21,310 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:21,312 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:21,380 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:21,380 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 267 treesize of output 250 [2019-08-05 11:01:21,382 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:22,126 WARN L188 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 77 [2019-08-05 11:01:22,126 INFO L567 ElimStorePlain]: treesize reduction 212, result has 74.6 percent of original size [2019-08-05 11:01:22,141 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:22,156 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:22,161 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:22,243 INFO L235 Elim1Store]: Index analysis took 103 ms [2019-08-05 11:01:22,251 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:22,253 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:22,292 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:22,311 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:22,790 WARN L188 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 95 [2019-08-05 11:01:22,791 INFO L341 Elim1Store]: treesize reduction 33, result has 92.2 percent of original size [2019-08-05 11:01:22,792 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 227 treesize of output 522 [2019-08-05 11:01:22,795 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:22,870 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:22,873 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:22,951 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:22,983 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:23,376 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2019-08-05 11:01:23,377 INFO L341 Elim1Store]: treesize reduction 18, result has 91.5 percent of original size [2019-08-05 11:01:23,378 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 190 treesize of output 308 [2019-08-05 11:01:23,381 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:23,406 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:23,407 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:23,412 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:23,414 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:23,427 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:23,437 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:23,438 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:23,440 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:23,441 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:23,716 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2019-08-05 11:01:23,717 INFO L341 Elim1Store]: treesize reduction 24, result has 91.7 percent of original size [2019-08-05 11:01:23,717 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 204 treesize of output 392 [2019-08-05 11:01:23,720 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:24,763 WARN L188 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 130 DAG size of output: 87 [2019-08-05 11:01:24,764 INFO L567 ElimStorePlain]: treesize reduction 925, result has 41.3 percent of original size [2019-08-05 11:01:24,765 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,766 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:01:24,768 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,768 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:01:24,768 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,769 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,770 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:01:24,771 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,772 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,773 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:01:24,774 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,774 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:01:24,775 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,776 INFO L496 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2019-08-05 11:01:24,777 INFO L221 ElimStorePlain]: Needed 11 recursive calls to eliminate 10 variables, input treesize:1073, output treesize:766 [2019-08-05 11:01:24,777 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,777 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:01:24,778 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,778 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,779 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:01:24,779 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,780 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,781 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,781 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,781 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:01:24,845 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,846 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,846 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:01:24,847 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:01:24,847 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,847 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,848 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,849 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,908 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,908 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,908 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:01:24,909 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:01:24,910 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,910 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,911 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,911 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,993 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:01:24,994 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,994 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,995 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:01:24,996 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,997 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,997 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:01:24,998 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:24,999 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:01:25,000 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:25,001 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:25,001 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:01:25,002 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:25,003 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:01:25,004 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:25,005 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:25,005 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:01:25,240 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-08-05 11:01:25,402 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:01:25,789 WARN L188 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-08-05 11:01:25,922 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-08-05 11:01:26,041 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-08-05 11:01:26,328 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-08-05 11:01:26,331 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:01:26,958 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-08-05 11:01:27,576 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-08-05 11:01:27,585 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:01:28,268 WARN L188 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-08-05 11:01:28,922 WARN L188 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-08-05 11:01:29,514 WARN L188 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-08-05 11:01:29,533 INFO L392 ElimStorePlain]: Different costs {347=[|#memory_$Pointer$.offset|], 694=[|#memory_$Pointer$.base|]} [2019-08-05 11:01:29,612 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:29,641 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:29,715 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:29,747 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:30,093 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:30,166 INFO L235 Elim1Store]: Index analysis took 589 ms [2019-08-05 11:01:30,195 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:30,205 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:31,064 WARN L188 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-08-05 11:01:31,065 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:31,065 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 239 treesize of output 293 [2019-08-05 11:01:31,067 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,067 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,068 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,068 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,069 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,074 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,074 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,075 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,076 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,076 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,076 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,077 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,078 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,078 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,079 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,080 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,080 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,081 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,081 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,082 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,083 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,084 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,085 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,086 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,086 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,086 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,087 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,088 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,088 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,089 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,089 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:31,152 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:31,175 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:31,229 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:31,238 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:31,263 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:31,276 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:31,368 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:31,369 INFO L235 Elim1Store]: Index analysis took 239 ms [2019-08-05 11:01:31,374 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:31,375 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 222 treesize of output 169 [2019-08-05 11:01:31,375 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,376 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,377 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:31,387 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:31,388 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:31,389 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:31,390 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:31,391 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:31,407 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:31,408 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 278 treesize of output 216 [2019-08-05 11:01:31,409 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,409 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,410 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,411 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,411 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,412 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,413 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,413 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,414 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,415 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:31,416 INFO L496 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:33,540 WARN L188 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 177 DAG size of output: 132 [2019-08-05 11:01:33,540 INFO L567 ElimStorePlain]: treesize reduction 148, result has 75.5 percent of original size [2019-08-05 11:01:33,553 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:33,554 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:33,555 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:33,556 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:33,556 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:33,557 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:33,803 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2019-08-05 11:01:33,804 INFO L341 Elim1Store]: treesize reduction 32, result has 77.8 percent of original size [2019-08-05 11:01:33,804 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 13 new quantified variables, introduced 36 case distinctions, treesize of input 144 treesize of output 177 [2019-08-05 11:01:33,806 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,807 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,807 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,808 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,808 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,809 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,809 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,809 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,810 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,810 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,810 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,811 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,811 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,812 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,812 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,813 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,813 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,813 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,814 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,814 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,814 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,815 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,815 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,815 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,816 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,816 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,816 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,817 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,818 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,818 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,818 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,819 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,819 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,820 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,820 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,821 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,821 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,821 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,822 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,823 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,823 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,823 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,824 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,825 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,825 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,826 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,826 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,827 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,827 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,828 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,828 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,829 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,829 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,830 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,830 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:33,831 INFO L496 ElimStorePlain]: Start of recursive call 5: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:33,888 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:33,912 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:33,935 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:33,960 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:33,987 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:34,036 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:34,050 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:34,062 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:34,081 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:34,091 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:34,104 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:34,131 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:34,457 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2019-08-05 11:01:34,457 INFO L341 Elim1Store]: treesize reduction 32, result has 77.1 percent of original size [2019-08-05 11:01:34,458 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 13 new quantified variables, introduced 36 case distinctions, treesize of input 142 treesize of output 181 [2019-08-05 11:01:34,459 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,459 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,459 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,459 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,460 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,460 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,460 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,461 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,461 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,462 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,462 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,463 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,463 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,464 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,464 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,464 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,465 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,466 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,466 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,467 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,467 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,468 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,468 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,469 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,469 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,470 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,471 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,471 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,472 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,472 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,473 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,474 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,475 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,475 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,476 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,476 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,477 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,477 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,478 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,478 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,478 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,479 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,479 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,480 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,480 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,481 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,481 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,482 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,482 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,483 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,483 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,484 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,484 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,485 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,485 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,486 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,486 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,487 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,488 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,488 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,489 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,489 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,490 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,491 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,491 INFO L496 ElimStorePlain]: Start of recursive call 6: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:34,507 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:34,512 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:34,514 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:34,516 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:34,520 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:34,523 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:34,524 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:34,525 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:34,526 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:34,527 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:34,529 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:34,531 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:34,532 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:34,849 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-08-05 11:01:34,849 INFO L341 Elim1Store]: treesize reduction 32, result has 81.0 percent of original size [2019-08-05 11:01:34,850 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 5 disjoint index pairs (out of 45 index pairs), introduced 14 new quantified variables, introduced 45 case distinctions, treesize of input 168 treesize of output 215 [2019-08-05 11:01:34,852 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,852 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,853 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,853 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,854 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,854 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,854 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,854 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,855 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,855 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,856 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,857 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,857 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,858 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,858 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,858 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,859 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,859 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,860 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,860 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,861 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,861 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,862 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,862 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,862 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,863 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,863 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,865 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,865 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,865 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,866 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,866 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,866 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,867 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,867 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,867 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,868 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,868 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,869 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,869 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,869 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,870 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,870 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,871 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,871 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,872 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,872 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,873 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,873 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,874 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,874 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,874 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,875 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,876 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,876 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,877 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,877 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,878 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,878 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,879 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,879 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,880 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,880 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,881 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,881 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,882 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,882 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,883 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,884 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,884 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,884 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,885 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,885 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,886 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,886 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,887 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,887 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,888 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,888 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,889 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,889 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,890 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,890 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,891 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,892 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,892 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,892 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,893 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,894 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,894 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,895 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,895 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,895 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,896 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,897 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,897 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,898 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,898 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,899 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,899 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,900 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,901 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,901 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,901 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,902 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,903 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,903 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,904 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,904 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,904 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,905 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,906 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,906 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,907 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,907 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,908 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,908 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,909 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,909 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,909 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,910 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,910 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,911 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,911 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,912 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,912 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,913 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,913 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,914 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,914 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,915 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,915 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,916 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,916 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,917 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:34,917 INFO L496 ElimStorePlain]: Start of recursive call 7: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:35,289 WARN L188 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 90 [2019-08-05 11:01:35,289 INFO L567 ElimStorePlain]: treesize reduction 200, result has 45.9 percent of original size [2019-08-05 11:01:35,292 INFO L496 ElimStorePlain]: Start of recursive call 1: 15 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-05 11:01:35,292 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 17 variables, input treesize:740, output treesize:7 [2019-08-05 11:01:35,346 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 12 refuted. 3 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 11:01:35,346 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 11:01:35,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2019-08-05 11:01:35,347 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-08-05 11:01:35,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-08-05 11:01:35,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=88, Unknown=3, NotChecked=0, Total=110 [2019-08-05 11:01:35,347 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 11 states. [2019-08-05 11:01:48,240 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2019-08-05 11:01:48,799 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2019-08-05 11:01:49,395 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-08-05 11:01:49,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:01:49,565 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2019-08-05 11:01:49,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-08-05 11:01:49,565 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 16 [2019-08-05 11:01:49,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:01:49,566 INFO L225 Difference]: With dead ends: 26 [2019-08-05 11:01:49,567 INFO L226 Difference]: Without dead ends: 19 [2019-08-05 11:01:49,567 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=31, Invalid=144, Unknown=7, NotChecked=0, Total=182 [2019-08-05 11:01:49,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-08-05 11:01:49,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-08-05 11:01:49,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-08-05 11:01:49,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2019-08-05 11:01:49,571 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 16 [2019-08-05 11:01:49,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:01:49,571 INFO L475 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2019-08-05 11:01:49,572 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-08-05 11:01:49,572 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-08-05 11:01:49,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-08-05 11:01:49,572 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:01:49,572 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1] [2019-08-05 11:01:49,573 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:01:49,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:01:49,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1310275289, now seen corresponding path program 5 times [2019-08-05 11:01:49,574 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:01:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:01:49,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 109 conjunts are in the unsatisfiable core [2019-08-05 11:01:49,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:01:49,922 INFO L375 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 [2019-08-05 11:01:49,923 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:49,955 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:49,955 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 11:01:49,955 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-08-05 11:01:50,086 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:50,087 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-08-05 11:01:50,087 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:50,159 INFO L567 ElimStorePlain]: treesize reduction 19, result has 82.9 percent of original size [2019-08-05 11:01:50,166 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:50,167 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 24 [2019-08-05 11:01:50,167 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:50,190 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:50,191 INFO L496 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:50,192 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:99, output treesize:45 [2019-08-05 11:01:50,261 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:50,261 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 89 [2019-08-05 11:01:50,262 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:50,262 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:50,263 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:50,402 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-08-05 11:01:50,402 INFO L567 ElimStorePlain]: treesize reduction 40, result has 77.7 percent of original size [2019-08-05 11:01:50,408 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:50,409 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:50,554 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-08-05 11:01:50,555 INFO L341 Elim1Store]: treesize reduction 11, result has 92.4 percent of original size [2019-08-05 11:01:50,556 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 102 treesize of output 183 [2019-08-05 11:01:50,557 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:50,678 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 48 [2019-08-05 11:01:50,679 INFO L567 ElimStorePlain]: treesize reduction 180, result has 34.5 percent of original size [2019-08-05 11:01:50,680 INFO L496 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:50,681 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:133, output treesize:108 [2019-08-05 11:01:50,720 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:50,789 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:50,789 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 159 [2019-08-05 11:01:50,790 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:50,791 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:50,791 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:50,792 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:51,073 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2019-08-05 11:01:51,074 INFO L567 ElimStorePlain]: treesize reduction 78, result has 73.0 percent of original size [2019-08-05 11:01:51,081 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:51,082 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:51,094 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:51,095 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:51,097 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:51,098 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:51,099 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:51,533 WARN L188 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2019-08-05 11:01:51,534 INFO L341 Elim1Store]: treesize reduction 22, result has 93.6 percent of original size [2019-08-05 11:01:51,534 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 168 treesize of output 390 [2019-08-05 11:01:51,535 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,536 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:01:51,536 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,536 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,536 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,537 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,537 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,538 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,538 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,539 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,539 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,540 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,540 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,540 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,541 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,541 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,542 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,542 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,542 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,543 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,544 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,544 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,544 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,545 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,545 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,546 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,546 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,546 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,547 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,547 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,548 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,548 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,548 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,549 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,549 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,550 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,551 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,551 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,552 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,552 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,553 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,553 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,554 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,555 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,555 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,556 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,557 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,557 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,558 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,558 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,559 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,559 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,560 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,562 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,562 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:01:51,563 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,563 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,563 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,564 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,564 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,565 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,565 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,566 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,566 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,567 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,568 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,568 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,569 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,569 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,570 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,570 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,571 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,572 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,572 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,573 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,573 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,574 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,574 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,575 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,575 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,576 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,577 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,577 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,578 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,578 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,579 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,579 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,580 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,580 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,581 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,582 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,582 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,583 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,583 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,584 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,584 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,585 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,585 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,586 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,587 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,587 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,588 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,588 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,589 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,589 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:51,590 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 11:01:51,591 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:51,924 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 67 [2019-08-05 11:01:51,924 INFO L567 ElimStorePlain]: treesize reduction 362, result has 28.2 percent of original size [2019-08-05 11:01:51,926 INFO L496 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:51,926 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 11 variables, input treesize:193, output treesize:212 [2019-08-05 11:01:52,143 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-08-05 11:01:52,150 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:52,151 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:52,153 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:52,154 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 57 [2019-08-05 11:01:52,155 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:52,281 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-08-05 11:01:52,282 INFO L567 ElimStorePlain]: treesize reduction 16, result has 92.1 percent of original size [2019-08-05 11:01:52,283 INFO L496 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-1 vars, End of recursive call: 8 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:52,283 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:208, output treesize:186 [2019-08-05 11:01:52,495 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:52,497 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:52,500 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:52,502 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:52,503 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:52,512 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:52,512 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 77 [2019-08-05 11:01:52,513 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:52,654 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2019-08-05 11:01:52,654 INFO L567 ElimStorePlain]: treesize reduction 42, result has 80.7 percent of original size [2019-08-05 11:01:52,655 INFO L496 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 1 dim-1 vars, End of recursive call: 9 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:52,655 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:206, output treesize:176 [2019-08-05 11:01:52,905 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:52,907 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:52,911 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:52,918 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:52,953 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:52,953 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 59 treesize of output 147 [2019-08-05 11:01:52,954 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:53,122 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2019-08-05 11:01:53,123 INFO L567 ElimStorePlain]: treesize reduction 144, result has 52.9 percent of original size [2019-08-05 11:01:53,128 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:53,147 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:53,161 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:53,184 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:53,197 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:53,222 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:01:53,235 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:01:53,509 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-08-05 11:01:53,509 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:53,510 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 2 disjoint index pairs (out of 36 index pairs), introduced 13 new quantified variables, introduced 35 case distinctions, treesize of input 118 treesize of output 241 [2019-08-05 11:01:53,515 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,515 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,515 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,516 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,516 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,517 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,517 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,518 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,518 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,519 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,520 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,520 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,521 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,522 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,523 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,523 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,524 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,524 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,524 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,525 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,526 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,527 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,528 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,528 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,529 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,529 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,529 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,530 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,530 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,531 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,532 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,532 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,533 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,534 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,534 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,535 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,536 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,536 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,537 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,537 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,538 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,538 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:01:53,540 INFO L496 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:53,702 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 43 [2019-08-05 11:01:53,703 INFO L567 ElimStorePlain]: treesize reduction 102, result has 41.4 percent of original size [2019-08-05 11:01:53,704 INFO L496 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:53,704 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 12 variables, input treesize:200, output treesize:33 [2019-08-05 11:01:53,819 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 15 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 11:01:53,819 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 11:01:53,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2019-08-05 11:01:53,819 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-08-05 11:01:53,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-08-05 11:01:53,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=123, Unknown=3, NotChecked=0, Total=156 [2019-08-05 11:01:53,820 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand 13 states. [2019-08-05 11:02:07,590 WARN L193 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000) stderr output: (error "out of memory") [2019-08-05 11:02:07,591 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:122) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:137) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:102) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.pop(ManagedScript.java:131) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPostcondition(IncrementalHoareTripleChecker.java:660) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:264) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:279) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.ProtectiveHoareTripleChecker.releaseLock(ProtectiveHoareTripleChecker.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.EfficientHoareTripleChecker.releaseLock(EfficientHoareTripleChecker.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:202) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:712) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:625) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:467) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.io.IOException: Broken pipe at java.io.FileOutputStream.writeBytes(Native Method) at java.io.FileOutputStream.write(FileOutputStream.java:326) at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) at sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:297) at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:141) at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:229) at java.io.BufferedWriter.flush(BufferedWriter.java:254) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:119) ... 28 more [2019-08-05 11:02:07,597 INFO L168 Benchmark]: Toolchain (without parser) took 63622.25 ms. Allocated memory was 137.9 MB in the beginning and 455.6 MB in the end (delta: 317.7 MB). Free memory was 106.8 MB in the beginning and 228.1 MB in the end (delta: -121.3 MB). Peak memory consumption was 196.4 MB. Max. memory is 7.1 GB. [2019-08-05 11:02:07,598 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 11:02:07,598 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.58 ms. Allocated memory is still 137.9 MB. Free memory was 106.5 MB in the beginning and 104.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:02:07,599 INFO L168 Benchmark]: Boogie Preprocessor took 33.94 ms. Allocated memory is still 137.9 MB. Free memory was 104.7 MB in the beginning and 103.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:02:07,600 INFO L168 Benchmark]: RCFGBuilder took 439.31 ms. Allocated memory is still 137.9 MB. Free memory was 103.2 MB in the beginning and 87.4 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:02:07,600 INFO L168 Benchmark]: TraceAbstraction took 63084.37 ms. Allocated memory was 137.9 MB in the beginning and 455.6 MB in the end (delta: 317.7 MB). Free memory was 87.0 MB in the beginning and 228.1 MB in the end (delta: -141.1 MB). Peak memory consumption was 176.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:02:07,602 INFO L335 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 137.9 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 59.58 ms. Allocated memory is still 137.9 MB. Free memory was 106.5 MB in the beginning and 104.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.94 ms. Allocated memory is still 137.9 MB. Free memory was 104.7 MB in the beginning and 103.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 439.31 ms. Allocated memory is still 137.9 MB. Free memory was 103.2 MB in the beginning and 87.4 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 63084.37 ms. Allocated memory was 137.9 MB in the beginning and 455.6 MB in the end (delta: 317.7 MB). Free memory was 87.0 MB in the beginning and 228.1 MB in the end (delta: -141.1 MB). Peak memory consumption was 176.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:122) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...