java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --rcfgbuilder.command.for.external.solver 'z3 SMTLIB2_COMPLIANT=true -memory:4096 -smt2 -in -t:12000' -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --rcfgbuilder.size.of.a.code.block SingleStatement -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-7aa59a0 [2019-05-23 09:21:57,215 INFO L146 ILogger]: Resetting all preferences to default values... [2019-05-23 09:21:57,217 INFO L146 ILogger]: Resetting UltimateCore preferences to default values [2019-05-23 09:21:57,231 INFO L146 ILogger]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-05-23 09:21:57,232 INFO L146 ILogger]: Resetting Boogie Preprocessor preferences to default values [2019-05-23 09:21:57,233 INFO L146 ILogger]: Resetting Boogie Procedure Inliner preferences to default values [2019-05-23 09:21:57,234 INFO L146 ILogger]: Resetting Abstract Interpretation preferences to default values [2019-05-23 09:21:57,236 INFO L146 ILogger]: Resetting LassoRanker preferences to default values [2019-05-23 09:21:57,241 INFO L146 ILogger]: Resetting Reaching Definitions preferences to default values [2019-05-23 09:21:57,242 INFO L146 ILogger]: Resetting SyntaxChecker preferences to default values [2019-05-23 09:21:57,243 INFO L146 ILogger]: Büchi Program Product provides no preferences, ignoring... [2019-05-23 09:21:57,243 INFO L146 ILogger]: Resetting LTL2Aut preferences to default values [2019-05-23 09:21:57,247 INFO L146 ILogger]: Resetting PEA to Boogie preferences to default values [2019-05-23 09:21:57,248 INFO L146 ILogger]: Resetting BlockEncodingV2 preferences to default values [2019-05-23 09:21:57,253 INFO L146 ILogger]: Resetting ChcToBoogie preferences to default values [2019-05-23 09:21:57,254 INFO L146 ILogger]: Resetting AutomataScriptInterpreter preferences to default values [2019-05-23 09:21:57,254 INFO L146 ILogger]: Resetting BuchiAutomizer preferences to default values [2019-05-23 09:21:57,257 INFO L146 ILogger]: Resetting CACSL2BoogieTranslator preferences to default values [2019-05-23 09:21:57,259 INFO L146 ILogger]: Resetting CodeCheck preferences to default values [2019-05-23 09:21:57,262 INFO L146 ILogger]: Resetting InvariantSynthesis preferences to default values [2019-05-23 09:21:57,263 INFO L146 ILogger]: Resetting RCFGBuilder preferences to default values [2019-05-23 09:21:57,264 INFO L146 ILogger]: Resetting TraceAbstraction preferences to default values [2019-05-23 09:21:57,267 INFO L146 ILogger]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-05-23 09:21:57,268 INFO L146 ILogger]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-05-23 09:21:57,268 INFO L146 ILogger]: Resetting TreeAutomizer preferences to default values [2019-05-23 09:21:57,269 INFO L146 ILogger]: Resetting IcfgToChc preferences to default values [2019-05-23 09:21:57,269 INFO L146 ILogger]: Resetting IcfgTransformer preferences to default values [2019-05-23 09:21:57,271 INFO L146 ILogger]: ReqToTest provides no preferences, ignoring... [2019-05-23 09:21:57,271 INFO L146 ILogger]: Resetting Boogie Printer preferences to default values [2019-05-23 09:21:57,272 INFO L146 ILogger]: Resetting ChcSmtPrinter preferences to default values [2019-05-23 09:21:57,272 INFO L146 ILogger]: Resetting ReqPrinter preferences to default values [2019-05-23 09:21:57,276 INFO L146 ILogger]: Resetting Witness Printer preferences to default values [2019-05-23 09:21:57,277 INFO L146 ILogger]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-05-23 09:21:57,277 INFO L146 ILogger]: Resetting CDTParser preferences to default values [2019-05-23 09:21:57,279 INFO L146 ILogger]: AutomataScriptParser provides no preferences, ignoring... [2019-05-23 09:21:57,279 INFO L146 ILogger]: ReqParser provides no preferences, ignoring... [2019-05-23 09:21:57,280 INFO L146 ILogger]: Resetting SmtParser preferences to default values [2019-05-23 09:21:57,282 INFO L146 ILogger]: Resetting Witness Parser preferences to default values [2019-05-23 09:21:57,283 INFO L146 ILogger]: Finished resetting all preferences to default values... Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Command for external solver -> z3 SMTLIB2_COMPLIANT=true -memory:4096 -smt2 -in -t:12000 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement [2019-05-23 09:21:57,332 INFO L146 ILogger]: Repository-Root is: /tmp [2019-05-23 09:21:57,345 INFO L146 ILogger]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-05-23 09:21:57,349 INFO L146 ILogger]: [Toolchain 1]: Toolchain selected. [2019-05-23 09:21:57,351 INFO L146 ILogger]: Initializing Boogie PL CUP Parser... [2019-05-23 09:21:57,351 INFO L146 ILogger]: Boogie PL CUP Parser initialized [2019-05-23 09:21:57,352 INFO L146 ILogger]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit01.bpl [2019-05-23 09:21:57,353 INFO L146 ILogger]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit01.bpl' [2019-05-23 09:21:57,387 INFO L146 ILogger]: ####################### [Toolchain 1] ####################### [2019-05-23 09:21:57,389 INFO L146 ILogger]: Walking toolchain with 4 elements. [2019-05-23 09:21:57,390 INFO L146 ILogger]: ------------------------Boogie Procedure Inliner---------------------------- [2019-05-23 09:21:57,390 INFO L146 ILogger]: Initializing Boogie Procedure Inliner... [2019-05-23 09:21:57,391 INFO L146 ILogger]: Boogie Procedure Inliner initialized [2019-05-23 09:21:57,408 INFO L146 ILogger]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:21:57" (1/1) ... [2019-05-23 09:21:57,419 INFO L146 ILogger]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:21:57" (1/1) ... [2019-05-23 09:21:57,425 WARN L146 ILogger]: Program contained no entry procedure! [2019-05-23 09:21:57,426 WARN L146 ILogger]: Missing entry procedures: [ULTIMATE.start] [2019-05-23 09:21:57,426 WARN L146 ILogger]: Fallback enabled. All procedures will be processed. [2019-05-23 09:21:57,428 INFO L146 ILogger]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-05-23 09:21:57,429 INFO L146 ILogger]: ------------------------Boogie Preprocessor---------------------------- [2019-05-23 09:21:57,429 INFO L146 ILogger]: Initializing Boogie Preprocessor... [2019-05-23 09:21:57,429 INFO L146 ILogger]: Boogie Preprocessor initialized [2019-05-23 09:21:57,440 INFO L146 ILogger]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:21:57" (1/1) ... [2019-05-23 09:21:57,440 INFO L146 ILogger]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:21:57" (1/1) ... [2019-05-23 09:21:57,441 INFO L146 ILogger]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:21:57" (1/1) ... [2019-05-23 09:21:57,441 INFO L146 ILogger]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:21:57" (1/1) ... [2019-05-23 09:21:57,444 INFO L146 ILogger]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:21:57" (1/1) ... [2019-05-23 09:21:57,449 INFO L146 ILogger]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:21:57" (1/1) ... [2019-05-23 09:21:57,450 INFO L146 ILogger]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:21:57" (1/1) ... [2019-05-23 09:21:57,451 INFO L146 ILogger]: ------------------------ END Boogie Preprocessor---------------------------- [2019-05-23 09:21:57,452 INFO L146 ILogger]: ------------------------RCFGBuilder---------------------------- [2019-05-23 09:21:57,452 INFO L146 ILogger]: Initializing RCFGBuilder... [2019-05-23 09:21:57,452 INFO L146 ILogger]: RCFGBuilder initialized [2019-05-23 09:21:57,453 INFO L146 ILogger]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:21:57" (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:4096 -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:4096 -smt2 -in -t:12000 [2019-05-23 09:21:57,523 INFO L146 ILogger]: Specification and implementation of procedure main given in one single declaration [2019-05-23 09:21:57,523 INFO L146 ILogger]: Found specification of procedure main [2019-05-23 09:21:57,524 INFO L146 ILogger]: Found implementation of procedure main [2019-05-23 09:21:57,734 INFO L146 ILogger]: Using library mode [2019-05-23 09:21:57,735 INFO L146 ILogger]: Removed 0 assume(true) statements. [2019-05-23 09:21:57,736 INFO L146 ILogger]: Adding new model ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 09:21:57 BoogieIcfgContainer [2019-05-23 09:21:57,736 INFO L146 ILogger]: ------------------------ END RCFGBuilder---------------------------- [2019-05-23 09:21:57,737 INFO L146 ILogger]: ------------------------TraceAbstraction---------------------------- [2019-05-23 09:21:57,737 INFO L146 ILogger]: Initializing TraceAbstraction... [2019-05-23 09:21:57,741 INFO L146 ILogger]: TraceAbstraction initialized [2019-05-23 09:21:57,741 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:21:57" (1/2) ... [2019-05-23 09:21:57,742 INFO L146 ILogger]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@191ce88a and model type ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.05 09:21:57, skipping insertion in model container [2019-05-23 09:21:57,742 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 09:21:57" (2/2) ... [2019-05-23 09:21:57,744 INFO L146 ILogger]: Analyzing ICFG ArrayInit01.bpl [2019-05-23 09:21:57,754 INFO L146 ILogger]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-05-23 09:21:57,761 INFO L146 ILogger]: Appying trace abstraction to program that has 1 error locations. [2019-05-23 09:21:57,777 INFO L146 ILogger]: Starting to check reachability of 1 error locations. [2019-05-23 09:21:57,804 INFO L146 ILogger]: Using default assertion order modulation [2019-05-23 09:21:57,805 INFO L146 ILogger]: Interprodecural is true [2019-05-23 09:21:57,805 INFO L146 ILogger]: Hoare is false [2019-05-23 09:21:57,805 INFO L146 ILogger]: Compute interpolants for ForwardPredicates [2019-05-23 09:21:57,805 INFO L146 ILogger]: Backedges is STRAIGHT_LINE [2019-05-23 09:21:57,805 INFO L146 ILogger]: Determinization is PREDICATE_ABSTRACTION [2019-05-23 09:21:57,805 INFO L146 ILogger]: Difference is false [2019-05-23 09:21:57,806 INFO L146 ILogger]: Minimize is MINIMIZE_SEVPA [2019-05-23 09:21:57,806 INFO L146 ILogger]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-05-23 09:21:57,819 INFO L146 ILogger]: Start isEmpty. Operand 10 states. [2019-05-23 09:21:57,827 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 6 [2019-05-23 09:21:57,828 INFO L146 ILogger]: Found error trace [2019-05-23 09:21:57,829 INFO L146 ILogger]: trace histogram [1, 1, 1, 1, 1] [2019-05-23 09:21:57,831 INFO L146 ILogger]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:21:57,837 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:21:57,838 INFO L146 ILogger]: Analyzing trace with hash 28667912, now seen corresponding path program 1 times [2019-05-23 09:21:57,882 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:21:57,915 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:21:57,918 INFO L146 ILogger]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-05-23 09:21:57,922 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:21:58,026 INFO L146 ILogger]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:21:58,029 INFO L146 ILogger]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-05-23 09:21:58,030 INFO L146 ILogger]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-05-23 09:21:58,035 INFO L146 ILogger]: Interpolant automaton has 4 states [2019-05-23 09:21:58,053 INFO L146 ILogger]: Constructing interpolant automaton starting with 4 interpolants. [2019-05-23 09:21:58,054 INFO L146 ILogger]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-05-23 09:21:58,057 INFO L146 ILogger]: Start difference. First operand 10 states. Second operand 4 states. [2019-05-23 09:21:58,231 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:21:58,231 INFO L146 ILogger]: Finished difference Result 14 states and 14 transitions. [2019-05-23 09:21:58,232 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-05-23 09:21:58,233 INFO L146 ILogger]: Start accepts. Automaton has 4 states. Word has length 5 [2019-05-23 09:21:58,233 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:21:58,243 INFO L146 ILogger]: With dead ends: 14 [2019-05-23 09:21:58,244 INFO L146 ILogger]: Without dead ends: 11 [2019-05-23 09:21:58,246 INFO L146 ILogger]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-05-23 09:21:58,261 INFO L146 ILogger]: Start minimizeSevpa. Operand 11 states. [2019-05-23 09:21:58,271 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 11 to 9. [2019-05-23 09:21:58,274 INFO L146 ILogger]: Start removeUnreachable. Operand 9 states. [2019-05-23 09:21:58,274 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-05-23 09:21:58,276 INFO L146 ILogger]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2019-05-23 09:21:58,277 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:21:58,277 INFO L146 ILogger]: Abstraction has 9 states and 9 transitions. [2019-05-23 09:21:58,277 INFO L146 ILogger]: Interpolant automaton has 4 states. [2019-05-23 09:21:58,277 INFO L146 ILogger]: Start isEmpty. Operand 9 states and 9 transitions. [2019-05-23 09:21:58,278 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 9 [2019-05-23 09:21:58,278 INFO L146 ILogger]: Found error trace [2019-05-23 09:21:58,278 INFO L146 ILogger]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-05-23 09:21:58,279 INFO L146 ILogger]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:21:58,280 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:21:58,280 INFO L146 ILogger]: Analyzing trace with hash -771046394, now seen corresponding path program 1 times [2019-05-23 09:21:58,281 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:21:58,300 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:21:58,302 WARN L146 ILogger]: Trace formula consists of 14 conjuncts, 7 conjunts are in the unsatisfiable core [2019-05-23 09:21:58,303 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:21:58,441 INFO L146 ILogger]: 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 [2019-05-23 09:21:58,442 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:21:58,521 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:21:58,522 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:21:58,522 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:21:58,690 INFO L146 ILogger]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:21:58,691 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:21:58,691 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-05-23 09:21:58,694 INFO L146 ILogger]: Interpolant automaton has 7 states [2019-05-23 09:21:58,694 INFO L146 ILogger]: Constructing interpolant automaton starting with 7 interpolants. [2019-05-23 09:21:58,695 INFO L146 ILogger]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-05-23 09:21:58,695 INFO L146 ILogger]: Start difference. First operand 9 states and 9 transitions. Second operand 7 states. [2019-05-23 09:21:59,111 WARN L146 ILogger]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2019-05-23 09:21:59,140 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:21:59,140 INFO L146 ILogger]: Finished difference Result 16 states and 16 transitions. [2019-05-23 09:21:59,140 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-05-23 09:21:59,140 INFO L146 ILogger]: Start accepts. Automaton has 7 states. Word has length 8 [2019-05-23 09:21:59,141 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:21:59,141 INFO L146 ILogger]: With dead ends: 16 [2019-05-23 09:21:59,141 INFO L146 ILogger]: Without dead ends: 14 [2019-05-23 09:21:59,142 INFO L146 ILogger]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-05-23 09:21:59,143 INFO L146 ILogger]: Start minimizeSevpa. Operand 14 states. [2019-05-23 09:21:59,145 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 14 to 12. [2019-05-23 09:21:59,145 INFO L146 ILogger]: Start removeUnreachable. Operand 12 states. [2019-05-23 09:21:59,146 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-05-23 09:21:59,146 INFO L146 ILogger]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2019-05-23 09:21:59,146 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:21:59,147 INFO L146 ILogger]: Abstraction has 12 states and 12 transitions. [2019-05-23 09:21:59,147 INFO L146 ILogger]: Interpolant automaton has 7 states. [2019-05-23 09:21:59,147 INFO L146 ILogger]: Start isEmpty. Operand 12 states and 12 transitions. [2019-05-23 09:21:59,147 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 12 [2019-05-23 09:21:59,147 INFO L146 ILogger]: Found error trace [2019-05-23 09:21:59,148 INFO L146 ILogger]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2019-05-23 09:21:59,148 INFO L146 ILogger]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:21:59,148 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:21:59,148 INFO L146 ILogger]: Analyzing trace with hash -876345528, now seen corresponding path program 2 times [2019-05-23 09:21:59,150 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:21:59,168 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:21:59,170 WARN L146 ILogger]: Trace formula consists of 18 conjuncts, 11 conjunts are in the unsatisfiable core [2019-05-23 09:21:59,171 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:21:59,222 INFO L146 ILogger]: 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 [2019-05-23 09:21:59,223 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:21:59,233 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:21:59,234 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:21:59,234 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:21:59,291 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:21:59,292 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:21:59,300 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:21:59,300 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:21:59,301 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:21:59,521 INFO L146 ILogger]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:21:59,522 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:21:59,522 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2019-05-23 09:21:59,522 INFO L146 ILogger]: Interpolant automaton has 9 states [2019-05-23 09:21:59,522 INFO L146 ILogger]: Constructing interpolant automaton starting with 9 interpolants. [2019-05-23 09:21:59,523 INFO L146 ILogger]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-05-23 09:21:59,523 INFO L146 ILogger]: Start difference. First operand 12 states and 12 transitions. Second operand 9 states. [2019-05-23 09:21:59,699 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:21:59,699 INFO L146 ILogger]: Finished difference Result 19 states and 19 transitions. [2019-05-23 09:21:59,699 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-05-23 09:21:59,699 INFO L146 ILogger]: Start accepts. Automaton has 9 states. Word has length 11 [2019-05-23 09:21:59,700 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:21:59,700 INFO L146 ILogger]: With dead ends: 19 [2019-05-23 09:21:59,701 INFO L146 ILogger]: Without dead ends: 17 [2019-05-23 09:21:59,701 INFO L146 ILogger]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-05-23 09:21:59,702 INFO L146 ILogger]: Start minimizeSevpa. Operand 17 states. [2019-05-23 09:21:59,704 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 17 to 15. [2019-05-23 09:21:59,705 INFO L146 ILogger]: Start removeUnreachable. Operand 15 states. [2019-05-23 09:21:59,705 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2019-05-23 09:21:59,705 INFO L146 ILogger]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2019-05-23 09:21:59,706 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:21:59,706 INFO L146 ILogger]: Abstraction has 15 states and 15 transitions. [2019-05-23 09:21:59,706 INFO L146 ILogger]: Interpolant automaton has 9 states. [2019-05-23 09:21:59,706 INFO L146 ILogger]: Start isEmpty. Operand 15 states and 15 transitions. [2019-05-23 09:21:59,707 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 15 [2019-05-23 09:21:59,707 INFO L146 ILogger]: Found error trace [2019-05-23 09:21:59,707 INFO L146 ILogger]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1] [2019-05-23 09:21:59,707 INFO L146 ILogger]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:21:59,708 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:21:59,708 INFO L146 ILogger]: Analyzing trace with hash 1778246854, now seen corresponding path program 3 times [2019-05-23 09:21:59,709 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:21:59,730 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:21:59,733 WARN L146 ILogger]: Trace formula consists of 22 conjuncts, 14 conjunts are in the unsatisfiable core [2019-05-23 09:21:59,734 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:21:59,773 INFO L146 ILogger]: 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 [2019-05-23 09:21:59,774 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:21:59,783 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:21:59,783 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:21:59,784 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:21:59,836 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:21:59,837 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:21:59,933 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:21:59,933 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:21:59,934 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:22:00,119 WARN L146 ILogger]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-05-23 09:22:00,160 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:22:00,161 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:00,174 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:00,174 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:00,175 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:22:00,291 INFO L146 ILogger]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:22:00,291 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:22:00,292 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2019-05-23 09:22:00,292 INFO L146 ILogger]: Interpolant automaton has 11 states [2019-05-23 09:22:00,292 INFO L146 ILogger]: Constructing interpolant automaton starting with 11 interpolants. [2019-05-23 09:22:00,293 INFO L146 ILogger]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-05-23 09:22:00,293 INFO L146 ILogger]: Start difference. First operand 15 states and 15 transitions. Second operand 11 states. [2019-05-23 09:22:00,506 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:22:00,507 INFO L146 ILogger]: Finished difference Result 22 states and 22 transitions. [2019-05-23 09:22:00,508 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-05-23 09:22:00,508 INFO L146 ILogger]: Start accepts. Automaton has 11 states. Word has length 14 [2019-05-23 09:22:00,508 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:22:00,509 INFO L146 ILogger]: With dead ends: 22 [2019-05-23 09:22:00,509 INFO L146 ILogger]: Without dead ends: 20 [2019-05-23 09:22:00,510 INFO L146 ILogger]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-05-23 09:22:00,510 INFO L146 ILogger]: Start minimizeSevpa. Operand 20 states. [2019-05-23 09:22:00,512 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 20 to 18. [2019-05-23 09:22:00,512 INFO L146 ILogger]: Start removeUnreachable. Operand 18 states. [2019-05-23 09:22:00,513 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2019-05-23 09:22:00,513 INFO L146 ILogger]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 14 [2019-05-23 09:22:00,514 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:22:00,514 INFO L146 ILogger]: Abstraction has 18 states and 18 transitions. [2019-05-23 09:22:00,514 INFO L146 ILogger]: Interpolant automaton has 11 states. [2019-05-23 09:22:00,514 INFO L146 ILogger]: Start isEmpty. Operand 18 states and 18 transitions. [2019-05-23 09:22:00,514 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 18 [2019-05-23 09:22:00,515 INFO L146 ILogger]: Found error trace [2019-05-23 09:22:00,515 INFO L146 ILogger]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1] [2019-05-23 09:22:00,515 INFO L146 ILogger]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:22:00,515 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:22:00,515 INFO L146 ILogger]: Analyzing trace with hash 1507077768, now seen corresponding path program 4 times [2019-05-23 09:22:00,516 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:22:00,545 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:22:00,548 WARN L146 ILogger]: Trace formula consists of 26 conjuncts, 17 conjunts are in the unsatisfiable core [2019-05-23 09:22:00,549 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:22:00,565 INFO L146 ILogger]: 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 [2019-05-23 09:22:00,566 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:00,577 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:00,577 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:00,578 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:22:00,634 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:22:00,635 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:00,646 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:00,647 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:00,647 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:22:00,721 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:22:00,721 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:00,738 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:00,739 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:00,739 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:22:00,820 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:22:00,821 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:00,835 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:00,835 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:00,836 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:22:01,030 INFO L146 ILogger]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:22:01,031 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:22:01,031 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2019-05-23 09:22:01,031 INFO L146 ILogger]: Interpolant automaton has 13 states [2019-05-23 09:22:01,032 INFO L146 ILogger]: Constructing interpolant automaton starting with 13 interpolants. [2019-05-23 09:22:01,032 INFO L146 ILogger]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2019-05-23 09:22:01,032 INFO L146 ILogger]: Start difference. First operand 18 states and 18 transitions. Second operand 13 states. [2019-05-23 09:22:01,418 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:22:01,419 INFO L146 ILogger]: Finished difference Result 25 states and 25 transitions. [2019-05-23 09:22:01,419 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-05-23 09:22:01,420 INFO L146 ILogger]: Start accepts. Automaton has 13 states. Word has length 17 [2019-05-23 09:22:01,420 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:22:01,421 INFO L146 ILogger]: With dead ends: 25 [2019-05-23 09:22:01,421 INFO L146 ILogger]: Without dead ends: 23 [2019-05-23 09:22:01,422 INFO L146 ILogger]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2019-05-23 09:22:01,422 INFO L146 ILogger]: Start minimizeSevpa. Operand 23 states. [2019-05-23 09:22:01,425 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 23 to 21. [2019-05-23 09:22:01,425 INFO L146 ILogger]: Start removeUnreachable. Operand 21 states. [2019-05-23 09:22:01,426 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-05-23 09:22:01,426 INFO L146 ILogger]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 17 [2019-05-23 09:22:01,426 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:22:01,426 INFO L146 ILogger]: Abstraction has 21 states and 21 transitions. [2019-05-23 09:22:01,427 INFO L146 ILogger]: Interpolant automaton has 13 states. [2019-05-23 09:22:01,427 INFO L146 ILogger]: Start isEmpty. Operand 21 states and 21 transitions. [2019-05-23 09:22:01,427 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 21 [2019-05-23 09:22:01,427 INFO L146 ILogger]: Found error trace [2019-05-23 09:22:01,428 INFO L146 ILogger]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1] [2019-05-23 09:22:01,428 INFO L146 ILogger]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:22:01,428 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:22:01,428 INFO L146 ILogger]: Analyzing trace with hash 1942320518, now seen corresponding path program 5 times [2019-05-23 09:22:01,429 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:22:01,479 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:22:01,483 WARN L146 ILogger]: Trace formula consists of 30 conjuncts, 20 conjunts are in the unsatisfiable core [2019-05-23 09:22:01,484 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:22:01,523 INFO L146 ILogger]: 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 [2019-05-23 09:22:01,523 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:01,530 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:01,530 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:01,531 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:22:01,575 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:22:01,575 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:01,580 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:01,581 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:01,581 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:22:01,631 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:22:01,633 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:01,645 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:01,646 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:01,646 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:22:01,690 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:22:01,692 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:01,707 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:01,707 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:01,708 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:22:01,761 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:22:01,761 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:01,775 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:01,776 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:01,776 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:22:01,887 INFO L146 ILogger]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:22:01,887 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:22:01,887 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2019-05-23 09:22:01,888 INFO L146 ILogger]: Interpolant automaton has 15 states [2019-05-23 09:22:01,888 INFO L146 ILogger]: Constructing interpolant automaton starting with 15 interpolants. [2019-05-23 09:22:01,888 INFO L146 ILogger]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2019-05-23 09:22:01,888 INFO L146 ILogger]: Start difference. First operand 21 states and 21 transitions. Second operand 15 states. [2019-05-23 09:22:02,152 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:22:02,153 INFO L146 ILogger]: Finished difference Result 28 states and 28 transitions. [2019-05-23 09:22:02,153 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-05-23 09:22:02,154 INFO L146 ILogger]: Start accepts. Automaton has 15 states. Word has length 20 [2019-05-23 09:22:02,154 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:22:02,155 INFO L146 ILogger]: With dead ends: 28 [2019-05-23 09:22:02,155 INFO L146 ILogger]: Without dead ends: 26 [2019-05-23 09:22:02,156 INFO L146 ILogger]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2019-05-23 09:22:02,156 INFO L146 ILogger]: Start minimizeSevpa. Operand 26 states. [2019-05-23 09:22:02,159 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 26 to 24. [2019-05-23 09:22:02,159 INFO L146 ILogger]: Start removeUnreachable. Operand 24 states. [2019-05-23 09:22:02,159 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2019-05-23 09:22:02,160 INFO L146 ILogger]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 20 [2019-05-23 09:22:02,160 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:22:02,160 INFO L146 ILogger]: Abstraction has 24 states and 24 transitions. [2019-05-23 09:22:02,160 INFO L146 ILogger]: Interpolant automaton has 15 states. [2019-05-23 09:22:02,160 INFO L146 ILogger]: Start isEmpty. Operand 24 states and 24 transitions. [2019-05-23 09:22:02,161 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 24 [2019-05-23 09:22:02,161 INFO L146 ILogger]: Found error trace [2019-05-23 09:22:02,161 INFO L146 ILogger]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1] [2019-05-23 09:22:02,162 INFO L146 ILogger]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:22:02,162 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:22:02,162 INFO L146 ILogger]: Analyzing trace with hash 1752819144, now seen corresponding path program 6 times [2019-05-23 09:22:02,163 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:22:02,227 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:22:02,232 WARN L146 ILogger]: Trace formula consists of 34 conjuncts, 23 conjunts are in the unsatisfiable core [2019-05-23 09:22:02,235 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:22:02,269 INFO L146 ILogger]: 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 [2019-05-23 09:22:02,270 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:02,278 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:02,279 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:02,279 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:22:02,318 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:22:02,319 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:02,324 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:02,325 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:02,325 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:22:02,395 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:22:02,396 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:02,420 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:02,421 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:02,421 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:22:02,464 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:22:02,465 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:02,474 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:02,474 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:02,475 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:22:02,533 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:22:02,534 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:02,550 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:02,551 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:02,551 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:22:02,616 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:22:02,617 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:02,642 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:02,643 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:02,643 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:22:02,762 INFO L146 ILogger]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:22:02,763 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:22:02,763 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2019-05-23 09:22:02,763 INFO L146 ILogger]: Interpolant automaton has 17 states [2019-05-23 09:22:02,763 INFO L146 ILogger]: Constructing interpolant automaton starting with 17 interpolants. [2019-05-23 09:22:02,764 INFO L146 ILogger]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2019-05-23 09:22:02,764 INFO L146 ILogger]: Start difference. First operand 24 states and 24 transitions. Second operand 17 states. [2019-05-23 09:22:03,048 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:22:03,048 INFO L146 ILogger]: Finished difference Result 31 states and 31 transitions. [2019-05-23 09:22:03,048 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-05-23 09:22:03,049 INFO L146 ILogger]: Start accepts. Automaton has 17 states. Word has length 23 [2019-05-23 09:22:03,049 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:22:03,050 INFO L146 ILogger]: With dead ends: 31 [2019-05-23 09:22:03,050 INFO L146 ILogger]: Without dead ends: 29 [2019-05-23 09:22:03,051 INFO L146 ILogger]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-05-23 09:22:03,051 INFO L146 ILogger]: Start minimizeSevpa. Operand 29 states. [2019-05-23 09:22:03,054 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 29 to 27. [2019-05-23 09:22:03,054 INFO L146 ILogger]: Start removeUnreachable. Operand 27 states. [2019-05-23 09:22:03,055 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2019-05-23 09:22:03,055 INFO L146 ILogger]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 23 [2019-05-23 09:22:03,055 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:22:03,055 INFO L146 ILogger]: Abstraction has 27 states and 27 transitions. [2019-05-23 09:22:03,055 INFO L146 ILogger]: Interpolant automaton has 17 states. [2019-05-23 09:22:03,056 INFO L146 ILogger]: Start isEmpty. Operand 27 states and 27 transitions. [2019-05-23 09:22:03,056 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 27 [2019-05-23 09:22:03,056 INFO L146 ILogger]: Found error trace [2019-05-23 09:22:03,056 INFO L146 ILogger]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1] [2019-05-23 09:22:03,057 INFO L146 ILogger]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:22:03,057 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:22:03,057 INFO L146 ILogger]: Analyzing trace with hash -95586746, now seen corresponding path program 7 times [2019-05-23 09:22:03,058 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:22:03,106 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:22:03,109 WARN L146 ILogger]: Trace formula consists of 38 conjuncts, 26 conjunts are in the unsatisfiable core [2019-05-23 09:22:03,111 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:22:03,151 INFO L146 ILogger]: 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 [2019-05-23 09:22:03,151 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:03,160 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:03,161 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:03,161 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:22:03,179 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:22:03,179 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:03,197 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:03,197 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:03,198 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:22:03,223 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:22:03,224 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:03,231 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:03,232 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:03,232 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:22:03,265 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:22:03,266 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:03,277 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:03,277 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:03,278 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:22:03,326 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:22:03,327 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:03,338 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:03,338 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:03,339 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:22:03,385 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:22:03,386 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:03,403 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:03,403 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:03,404 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:22:03,533 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:22:03,534 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:03,618 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:03,619 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:03,619 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:22:03,879 INFO L146 ILogger]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:22:03,880 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:22:03,880 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2019-05-23 09:22:03,880 INFO L146 ILogger]: Interpolant automaton has 19 states [2019-05-23 09:22:03,881 INFO L146 ILogger]: Constructing interpolant automaton starting with 19 interpolants. [2019-05-23 09:22:03,881 INFO L146 ILogger]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2019-05-23 09:22:03,881 INFO L146 ILogger]: Start difference. First operand 27 states and 27 transitions. Second operand 19 states. [2019-05-23 09:22:04,506 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:22:04,506 INFO L146 ILogger]: Finished difference Result 34 states and 34 transitions. [2019-05-23 09:22:04,506 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-05-23 09:22:04,507 INFO L146 ILogger]: Start accepts. Automaton has 19 states. Word has length 26 [2019-05-23 09:22:04,507 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:22:04,508 INFO L146 ILogger]: With dead ends: 34 [2019-05-23 09:22:04,508 INFO L146 ILogger]: Without dead ends: 32 [2019-05-23 09:22:04,509 INFO L146 ILogger]: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2019-05-23 09:22:04,510 INFO L146 ILogger]: Start minimizeSevpa. Operand 32 states. [2019-05-23 09:22:04,514 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 32 to 30. [2019-05-23 09:22:04,514 INFO L146 ILogger]: Start removeUnreachable. Operand 30 states. [2019-05-23 09:22:04,514 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2019-05-23 09:22:04,515 INFO L146 ILogger]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 26 [2019-05-23 09:22:04,515 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:22:04,515 INFO L146 ILogger]: Abstraction has 30 states and 30 transitions. [2019-05-23 09:22:04,515 INFO L146 ILogger]: Interpolant automaton has 19 states. [2019-05-23 09:22:04,515 INFO L146 ILogger]: Start isEmpty. Operand 30 states and 30 transitions. [2019-05-23 09:22:04,516 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 30 [2019-05-23 09:22:04,517 INFO L146 ILogger]: Found error trace [2019-05-23 09:22:04,517 INFO L146 ILogger]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1] [2019-05-23 09:22:04,517 INFO L146 ILogger]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:22:04,517 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:22:04,517 INFO L146 ILogger]: Analyzing trace with hash -179753720, now seen corresponding path program 8 times [2019-05-23 09:22:04,518 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:22:04,587 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:22:04,593 WARN L146 ILogger]: Trace formula consists of 42 conjuncts, 29 conjunts are in the unsatisfiable core [2019-05-23 09:22:04,596 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:22:04,614 INFO L146 ILogger]: 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 [2019-05-23 09:22:04,614 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:04,625 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:04,626 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:04,626 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:22:04,649 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:22:04,649 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:04,659 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:04,659 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:04,660 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:22:04,686 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:22:04,687 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:04,694 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:04,694 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:04,694 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:22:04,735 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:22:04,735 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:04,747 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:04,747 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:04,748 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:22:04,827 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:22:04,828 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:04,981 WARN L146 ILogger]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2019-05-23 09:22:04,982 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:04,982 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:04,982 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:22:05,137 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:22:05,138 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:05,149 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:05,149 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:05,150 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:22:05,208 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:22:05,209 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:05,223 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:05,224 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:05,224 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:22:05,409 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:22:05,409 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:05,442 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:05,443 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:05,443 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:22:05,857 INFO L146 ILogger]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:22:05,858 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:22:05,858 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2019-05-23 09:22:05,858 INFO L146 ILogger]: Interpolant automaton has 21 states [2019-05-23 09:22:05,859 INFO L146 ILogger]: Constructing interpolant automaton starting with 21 interpolants. [2019-05-23 09:22:05,859 INFO L146 ILogger]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2019-05-23 09:22:05,859 INFO L146 ILogger]: Start difference. First operand 30 states and 30 transitions. Second operand 21 states. [2019-05-23 09:22:06,310 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:22:06,310 INFO L146 ILogger]: Finished difference Result 37 states and 37 transitions. [2019-05-23 09:22:06,311 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-05-23 09:22:06,311 INFO L146 ILogger]: Start accepts. Automaton has 21 states. Word has length 29 [2019-05-23 09:22:06,312 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:22:06,312 INFO L146 ILogger]: With dead ends: 37 [2019-05-23 09:22:06,312 INFO L146 ILogger]: Without dead ends: 35 [2019-05-23 09:22:06,313 INFO L146 ILogger]: 0 DeclaredPredicates, 30 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2019-05-23 09:22:06,314 INFO L146 ILogger]: Start minimizeSevpa. Operand 35 states. [2019-05-23 09:22:06,317 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 35 to 33. [2019-05-23 09:22:06,317 INFO L146 ILogger]: Start removeUnreachable. Operand 33 states. [2019-05-23 09:22:06,318 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2019-05-23 09:22:06,318 INFO L146 ILogger]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 29 [2019-05-23 09:22:06,318 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:22:06,318 INFO L146 ILogger]: Abstraction has 33 states and 33 transitions. [2019-05-23 09:22:06,318 INFO L146 ILogger]: Interpolant automaton has 21 states. [2019-05-23 09:22:06,319 INFO L146 ILogger]: Start isEmpty. Operand 33 states and 33 transitions. [2019-05-23 09:22:06,319 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 33 [2019-05-23 09:22:06,319 INFO L146 ILogger]: Found error trace [2019-05-23 09:22:06,319 INFO L146 ILogger]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1] [2019-05-23 09:22:06,320 INFO L146 ILogger]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:22:06,320 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:22:06,320 INFO L146 ILogger]: Analyzing trace with hash 662824710, now seen corresponding path program 9 times [2019-05-23 09:22:06,321 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:22:06,373 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:22:06,376 WARN L146 ILogger]: Trace formula consists of 46 conjuncts, 32 conjunts are in the unsatisfiable core [2019-05-23 09:22:06,377 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:22:06,397 INFO L146 ILogger]: 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 [2019-05-23 09:22:06,397 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:06,406 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:06,407 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:06,407 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:22:06,438 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:22:06,439 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:06,447 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:06,448 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:06,448 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:22:06,469 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:22:06,470 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:06,475 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:06,475 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:06,475 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:22:06,508 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:22:06,509 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:06,516 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:06,516 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:06,516 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:22:06,552 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:22:06,553 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:06,563 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:06,563 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:06,564 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:22:06,608 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:22:06,608 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:06,620 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:06,620 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:06,620 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:22:06,685 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:22:06,686 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:06,700 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:06,700 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:06,701 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:22:06,774 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:22:06,775 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:06,804 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:06,805 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:06,805 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:22:06,924 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:22:06,926 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:06,956 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:06,957 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:06,957 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:22:07,176 INFO L146 ILogger]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:22:07,176 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:22:07,176 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2019-05-23 09:22:07,177 INFO L146 ILogger]: Interpolant automaton has 23 states [2019-05-23 09:22:07,177 INFO L146 ILogger]: Constructing interpolant automaton starting with 23 interpolants. [2019-05-23 09:22:07,177 INFO L146 ILogger]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2019-05-23 09:22:07,177 INFO L146 ILogger]: Start difference. First operand 33 states and 33 transitions. Second operand 23 states. [2019-05-23 09:22:07,823 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:22:07,823 INFO L146 ILogger]: Finished difference Result 40 states and 40 transitions. [2019-05-23 09:22:07,823 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-05-23 09:22:07,823 INFO L146 ILogger]: Start accepts. Automaton has 23 states. Word has length 32 [2019-05-23 09:22:07,824 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:22:07,825 INFO L146 ILogger]: With dead ends: 40 [2019-05-23 09:22:07,825 INFO L146 ILogger]: Without dead ends: 38 [2019-05-23 09:22:07,826 INFO L146 ILogger]: 0 DeclaredPredicates, 33 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=63, Invalid=537, Unknown=0, NotChecked=0, Total=600 [2019-05-23 09:22:07,826 INFO L146 ILogger]: Start minimizeSevpa. Operand 38 states. [2019-05-23 09:22:07,829 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 38 to 36. [2019-05-23 09:22:07,829 INFO L146 ILogger]: Start removeUnreachable. Operand 36 states. [2019-05-23 09:22:07,830 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2019-05-23 09:22:07,830 INFO L146 ILogger]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 32 [2019-05-23 09:22:07,830 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:22:07,831 INFO L146 ILogger]: Abstraction has 36 states and 36 transitions. [2019-05-23 09:22:07,831 INFO L146 ILogger]: Interpolant automaton has 23 states. [2019-05-23 09:22:07,831 INFO L146 ILogger]: Start isEmpty. Operand 36 states and 36 transitions. [2019-05-23 09:22:07,832 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 36 [2019-05-23 09:22:07,832 INFO L146 ILogger]: Found error trace [2019-05-23 09:22:07,832 INFO L146 ILogger]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1] [2019-05-23 09:22:07,832 INFO L146 ILogger]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:22:07,832 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:22:07,832 INFO L146 ILogger]: Analyzing trace with hash 2127955016, now seen corresponding path program 10 times [2019-05-23 09:22:07,833 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:22:07,887 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:22:07,891 WARN L146 ILogger]: Trace formula consists of 50 conjuncts, 35 conjunts are in the unsatisfiable core [2019-05-23 09:22:07,892 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:22:07,933 INFO L146 ILogger]: 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 [2019-05-23 09:22:07,933 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:07,941 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:07,941 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:07,942 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:22:07,970 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:22:07,970 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:07,975 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:07,975 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:07,976 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:22:08,022 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:22:08,023 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:08,028 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:08,029 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:08,029 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:22:08,080 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:22:08,080 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:08,088 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:08,089 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:08,089 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:22:08,128 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:22:08,128 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:08,137 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:08,138 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:08,138 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:22:08,183 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:22:08,184 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:08,198 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:08,198 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:08,198 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:22:08,288 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:22:08,288 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:08,309 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:08,310 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:08,310 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:22:08,371 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:22:08,372 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:08,389 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:08,390 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:08,390 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:22:08,462 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:22:08,463 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:08,481 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:08,481 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:08,481 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:22:08,560 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:22:08,561 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:08,581 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:08,581 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:08,582 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:22:08,775 INFO L146 ILogger]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:22:08,775 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:22:08,776 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2019-05-23 09:22:08,776 INFO L146 ILogger]: Interpolant automaton has 25 states [2019-05-23 09:22:08,776 INFO L146 ILogger]: Constructing interpolant automaton starting with 25 interpolants. [2019-05-23 09:22:08,776 INFO L146 ILogger]: CoverageRelationStatistics Valid=58, Invalid=542, Unknown=0, NotChecked=0, Total=600 [2019-05-23 09:22:08,777 INFO L146 ILogger]: Start difference. First operand 36 states and 36 transitions. Second operand 25 states. [2019-05-23 09:22:09,450 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:22:09,450 INFO L146 ILogger]: Finished difference Result 43 states and 43 transitions. [2019-05-23 09:22:09,451 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-05-23 09:22:09,451 INFO L146 ILogger]: Start accepts. Automaton has 25 states. Word has length 35 [2019-05-23 09:22:09,452 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:22:09,452 INFO L146 ILogger]: With dead ends: 43 [2019-05-23 09:22:09,453 INFO L146 ILogger]: Without dead ends: 41 [2019-05-23 09:22:09,454 INFO L146 ILogger]: 0 DeclaredPredicates, 36 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2019-05-23 09:22:09,454 INFO L146 ILogger]: Start minimizeSevpa. Operand 41 states. [2019-05-23 09:22:09,457 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 41 to 39. [2019-05-23 09:22:09,457 INFO L146 ILogger]: Start removeUnreachable. Operand 39 states. [2019-05-23 09:22:09,458 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2019-05-23 09:22:09,458 INFO L146 ILogger]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 35 [2019-05-23 09:22:09,458 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:22:09,458 INFO L146 ILogger]: Abstraction has 39 states and 39 transitions. [2019-05-23 09:22:09,458 INFO L146 ILogger]: Interpolant automaton has 25 states. [2019-05-23 09:22:09,458 INFO L146 ILogger]: Start isEmpty. Operand 39 states and 39 transitions. [2019-05-23 09:22:09,459 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 39 [2019-05-23 09:22:09,459 INFO L146 ILogger]: Found error trace [2019-05-23 09:22:09,460 INFO L146 ILogger]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1] [2019-05-23 09:22:09,460 INFO L146 ILogger]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:22:09,460 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:22:09,460 INFO L146 ILogger]: Analyzing trace with hash 72271814, now seen corresponding path program 11 times [2019-05-23 09:22:09,461 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:22:09,528 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:22:09,531 WARN L146 ILogger]: Trace formula consists of 54 conjuncts, 38 conjunts are in the unsatisfiable core [2019-05-23 09:22:09,533 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:22:09,616 INFO L146 ILogger]: 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 [2019-05-23 09:22:09,617 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:09,669 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:09,670 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:09,670 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:22:09,688 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:22:09,689 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:09,696 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:09,696 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:09,697 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:22:09,717 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:22:09,718 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:09,726 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:09,726 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:09,726 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:22:09,756 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:22:09,756 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:09,765 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:09,766 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:09,766 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:22:09,810 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:22:09,811 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:09,822 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:09,822 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:09,823 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:22:09,867 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:22:09,868 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:09,880 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:09,880 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:09,881 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:22:09,940 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:22:09,940 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:09,956 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:09,957 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:09,957 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:22:10,015 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:22:10,016 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:10,031 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:10,031 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:10,031 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:22:10,113 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:22:10,114 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:10,131 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:10,131 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:10,132 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:22:10,232 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:22:10,234 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:10,288 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:10,289 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:10,289 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:22:10,401 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:22:10,402 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:10,438 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:10,438 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:10,439 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:22:10,744 INFO L146 ILogger]: Checked inductivity of 176 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:22:10,744 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:22:10,745 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2019-05-23 09:22:10,745 INFO L146 ILogger]: Interpolant automaton has 27 states [2019-05-23 09:22:10,745 INFO L146 ILogger]: Constructing interpolant automaton starting with 27 interpolants. [2019-05-23 09:22:10,746 INFO L146 ILogger]: CoverageRelationStatistics Valid=63, Invalid=639, Unknown=0, NotChecked=0, Total=702 [2019-05-23 09:22:10,746 INFO L146 ILogger]: Start difference. First operand 39 states and 39 transitions. Second operand 27 states. [2019-05-23 09:22:12,200 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:22:12,201 INFO L146 ILogger]: Finished difference Result 46 states and 46 transitions. [2019-05-23 09:22:12,201 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-05-23 09:22:12,201 INFO L146 ILogger]: Start accepts. Automaton has 27 states. Word has length 38 [2019-05-23 09:22:12,202 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:22:12,202 INFO L146 ILogger]: With dead ends: 46 [2019-05-23 09:22:12,202 INFO L146 ILogger]: Without dead ends: 44 [2019-05-23 09:22:12,203 INFO L146 ILogger]: 0 DeclaredPredicates, 39 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=73, Invalid=739, Unknown=0, NotChecked=0, Total=812 [2019-05-23 09:22:12,204 INFO L146 ILogger]: Start minimizeSevpa. Operand 44 states. [2019-05-23 09:22:12,206 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 44 to 42. [2019-05-23 09:22:12,206 INFO L146 ILogger]: Start removeUnreachable. Operand 42 states. [2019-05-23 09:22:12,207 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2019-05-23 09:22:12,207 INFO L146 ILogger]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 38 [2019-05-23 09:22:12,207 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:22:12,207 INFO L146 ILogger]: Abstraction has 42 states and 42 transitions. [2019-05-23 09:22:12,207 INFO L146 ILogger]: Interpolant automaton has 27 states. [2019-05-23 09:22:12,207 INFO L146 ILogger]: Start isEmpty. Operand 42 states and 42 transitions. [2019-05-23 09:22:12,208 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 42 [2019-05-23 09:22:12,208 INFO L146 ILogger]: Found error trace [2019-05-23 09:22:12,208 INFO L146 ILogger]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1] [2019-05-23 09:22:12,208 INFO L146 ILogger]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:22:12,209 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:22:12,209 INFO L146 ILogger]: Analyzing trace with hash 1152674696, now seen corresponding path program 12 times [2019-05-23 09:22:12,209 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:22:12,262 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:22:12,265 WARN L146 ILogger]: Trace formula consists of 58 conjuncts, 41 conjunts are in the unsatisfiable core [2019-05-23 09:22:12,267 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:22:12,336 INFO L146 ILogger]: 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 [2019-05-23 09:22:12,337 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:12,347 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:12,348 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:12,348 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:22:12,404 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:22:12,404 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:12,408 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:12,408 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:12,408 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:22:12,439 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:22:12,440 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:12,446 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:12,446 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:12,446 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:22:12,474 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:22:12,474 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:12,483 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:12,484 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:12,484 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:22:12,519 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:22:12,520 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:12,532 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:12,532 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:12,533 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:22:12,579 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:22:12,580 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:12,591 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:12,591 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:12,592 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:22:12,641 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:22:12,641 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:12,656 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:12,656 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:12,656 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:22:12,725 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:22:12,726 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:12,742 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:12,742 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:12,743 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:22:12,860 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:22:12,861 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:12,947 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:12,948 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:12,948 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:22:13,024 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:22:13,024 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:13,045 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:13,045 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:13,046 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:22:13,142 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:22:13,143 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:13,193 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:13,194 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:13,194 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:22:13,303 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:22:13,304 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:13,329 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:13,329 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:13,330 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:22:14,187 WARN L146 ILogger]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-05-23 09:22:14,991 WARN L146 ILogger]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-05-23 09:22:15,189 INFO L146 ILogger]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:22:15,189 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:22:15,189 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2019-05-23 09:22:15,190 INFO L146 ILogger]: Interpolant automaton has 29 states [2019-05-23 09:22:15,190 INFO L146 ILogger]: Constructing interpolant automaton starting with 29 interpolants. [2019-05-23 09:22:15,190 INFO L146 ILogger]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2019-05-23 09:22:15,191 INFO L146 ILogger]: Start difference. First operand 42 states and 42 transitions. Second operand 29 states. [2019-05-23 09:22:16,156 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:22:16,157 INFO L146 ILogger]: Finished difference Result 49 states and 49 transitions. [2019-05-23 09:22:16,157 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-05-23 09:22:16,157 INFO L146 ILogger]: Start accepts. Automaton has 29 states. Word has length 41 [2019-05-23 09:22:16,158 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:22:16,158 INFO L146 ILogger]: With dead ends: 49 [2019-05-23 09:22:16,158 INFO L146 ILogger]: Without dead ends: 47 [2019-05-23 09:22:16,159 INFO L146 ILogger]: 0 DeclaredPredicates, 42 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=78, Invalid=852, Unknown=0, NotChecked=0, Total=930 [2019-05-23 09:22:16,159 INFO L146 ILogger]: Start minimizeSevpa. Operand 47 states. [2019-05-23 09:22:16,162 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 47 to 45. [2019-05-23 09:22:16,163 INFO L146 ILogger]: Start removeUnreachable. Operand 45 states. [2019-05-23 09:22:16,163 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2019-05-23 09:22:16,163 INFO L146 ILogger]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 41 [2019-05-23 09:22:16,164 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:22:16,164 INFO L146 ILogger]: Abstraction has 45 states and 45 transitions. [2019-05-23 09:22:16,164 INFO L146 ILogger]: Interpolant automaton has 29 states. [2019-05-23 09:22:16,164 INFO L146 ILogger]: Start isEmpty. Operand 45 states and 45 transitions. [2019-05-23 09:22:16,165 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 45 [2019-05-23 09:22:16,165 INFO L146 ILogger]: Found error trace [2019-05-23 09:22:16,165 INFO L146 ILogger]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1] [2019-05-23 09:22:16,165 INFO L146 ILogger]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:22:16,165 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:22:16,165 INFO L146 ILogger]: Analyzing trace with hash 950016134, now seen corresponding path program 13 times [2019-05-23 09:22:16,166 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:22:16,229 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:22:16,233 WARN L146 ILogger]: Trace formula consists of 62 conjuncts, 44 conjunts are in the unsatisfiable core [2019-05-23 09:22:16,235 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:22:16,324 INFO L146 ILogger]: 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 [2019-05-23 09:22:16,324 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:16,391 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:16,392 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:16,392 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:22:16,428 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:22:16,428 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:16,436 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:16,436 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:16,436 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:22:16,457 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:22:16,458 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:16,465 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:16,465 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:16,466 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:22:16,502 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:22:16,503 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:16,512 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:16,512 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:16,512 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:22:16,555 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:22:16,556 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:16,565 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:16,565 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:16,565 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:22:16,608 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:22:16,608 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:16,625 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:16,625 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:16,626 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:22:16,674 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:22:16,674 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:16,687 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:16,687 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:16,687 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:22:16,750 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:22:16,750 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:16,766 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:16,767 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:16,767 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:22:16,835 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:22:16,836 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:16,914 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:16,914 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:16,914 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:22:16,994 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:22:16,994 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:17,013 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:17,014 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:17,014 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:22:17,098 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:22:17,099 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:17,124 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:17,125 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:17,125 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:22:17,226 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:22:17,227 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:17,254 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:17,255 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:17,255 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:22:17,364 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:22:17,365 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:17,403 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:17,403 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:17,403 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:22:17,658 INFO L146 ILogger]: Checked inductivity of 247 backedges. 0 proven. 247 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:22:17,658 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:22:17,658 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2019-05-23 09:22:17,658 INFO L146 ILogger]: Interpolant automaton has 31 states [2019-05-23 09:22:17,658 INFO L146 ILogger]: Constructing interpolant automaton starting with 31 interpolants. [2019-05-23 09:22:17,659 INFO L146 ILogger]: CoverageRelationStatistics Valid=73, Invalid=857, Unknown=0, NotChecked=0, Total=930 [2019-05-23 09:22:17,659 INFO L146 ILogger]: Start difference. First operand 45 states and 45 transitions. Second operand 31 states. [2019-05-23 09:22:18,687 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:22:18,687 INFO L146 ILogger]: Finished difference Result 52 states and 52 transitions. [2019-05-23 09:22:18,687 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2019-05-23 09:22:18,688 INFO L146 ILogger]: Start accepts. Automaton has 31 states. Word has length 44 [2019-05-23 09:22:18,688 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:22:18,689 INFO L146 ILogger]: With dead ends: 52 [2019-05-23 09:22:18,689 INFO L146 ILogger]: Without dead ends: 50 [2019-05-23 09:22:18,690 INFO L146 ILogger]: 0 DeclaredPredicates, 45 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=83, Invalid=973, Unknown=0, NotChecked=0, Total=1056 [2019-05-23 09:22:18,690 INFO L146 ILogger]: Start minimizeSevpa. Operand 50 states. [2019-05-23 09:22:18,693 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 50 to 48. [2019-05-23 09:22:18,693 INFO L146 ILogger]: Start removeUnreachable. Operand 48 states. [2019-05-23 09:22:18,694 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2019-05-23 09:22:18,694 INFO L146 ILogger]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 44 [2019-05-23 09:22:18,694 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:22:18,694 INFO L146 ILogger]: Abstraction has 48 states and 48 transitions. [2019-05-23 09:22:18,694 INFO L146 ILogger]: Interpolant automaton has 31 states. [2019-05-23 09:22:18,694 INFO L146 ILogger]: Start isEmpty. Operand 48 states and 48 transitions. [2019-05-23 09:22:18,695 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 48 [2019-05-23 09:22:18,695 INFO L146 ILogger]: Found error trace [2019-05-23 09:22:18,695 INFO L146 ILogger]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1] [2019-05-23 09:22:18,696 INFO L146 ILogger]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:22:18,696 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:22:18,696 INFO L146 ILogger]: Analyzing trace with hash -2022153528, now seen corresponding path program 14 times [2019-05-23 09:22:18,697 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:22:18,764 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:22:18,768 WARN L146 ILogger]: Trace formula consists of 66 conjuncts, 47 conjunts are in the unsatisfiable core [2019-05-23 09:22:18,770 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:22:18,868 INFO L146 ILogger]: 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 [2019-05-23 09:22:18,868 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:18,933 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:18,934 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:18,934 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:22:19,221 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:22:19,221 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:19,323 WARN L146 ILogger]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-05-23 09:22:19,324 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:19,324 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:19,324 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:22:19,549 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:22:19,550 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:19,557 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:19,557 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:19,558 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:22:19,589 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:22:19,590 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:19,598 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:19,599 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:19,599 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:22:19,635 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:22:19,636 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:19,646 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:19,647 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:19,647 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:22:19,689 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:22:19,690 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:19,701 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:19,701 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:19,702 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:22:19,857 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:22:19,857 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:19,871 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:19,872 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:19,872 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:22:19,930 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:22:19,931 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:19,999 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:19,999 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:19,999 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:22:20,070 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:22:20,071 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:20,091 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:20,091 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:20,091 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:22:20,191 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:22:20,192 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:20,219 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:20,220 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:20,220 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:22:20,308 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:22:20,309 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:20,424 WARN L146 ILogger]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2019-05-23 09:22:20,424 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:20,425 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:20,425 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:22:20,518 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:22:20,519 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:20,545 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:20,546 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:20,546 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:22:20,655 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:22:20,656 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:20,693 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:20,693 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:20,694 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:22:20,836 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:22:20,837 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:20,878 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:20,878 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:20,878 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:22:21,327 INFO L146 ILogger]: Checked inductivity of 287 backedges. 0 proven. 287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:22:21,327 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:22:21,327 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2019-05-23 09:22:21,328 INFO L146 ILogger]: Interpolant automaton has 33 states [2019-05-23 09:22:21,328 INFO L146 ILogger]: Constructing interpolant automaton starting with 33 interpolants. [2019-05-23 09:22:21,328 INFO L146 ILogger]: CoverageRelationStatistics Valid=78, Invalid=978, Unknown=0, NotChecked=0, Total=1056 [2019-05-23 09:22:21,328 INFO L146 ILogger]: Start difference. First operand 48 states and 48 transitions. Second operand 33 states. [2019-05-23 09:22:22,609 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:22:22,610 INFO L146 ILogger]: Finished difference Result 55 states and 55 transitions. [2019-05-23 09:22:22,610 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-05-23 09:22:22,610 INFO L146 ILogger]: Start accepts. Automaton has 33 states. Word has length 47 [2019-05-23 09:22:22,611 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:22:22,611 INFO L146 ILogger]: With dead ends: 55 [2019-05-23 09:22:22,611 INFO L146 ILogger]: Without dead ends: 53 [2019-05-23 09:22:22,612 INFO L146 ILogger]: 0 DeclaredPredicates, 48 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=88, Invalid=1102, Unknown=0, NotChecked=0, Total=1190 [2019-05-23 09:22:22,613 INFO L146 ILogger]: Start minimizeSevpa. Operand 53 states. [2019-05-23 09:22:22,616 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 53 to 51. [2019-05-23 09:22:22,616 INFO L146 ILogger]: Start removeUnreachable. Operand 51 states. [2019-05-23 09:22:22,617 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2019-05-23 09:22:22,617 INFO L146 ILogger]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 47 [2019-05-23 09:22:22,617 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:22:22,617 INFO L146 ILogger]: Abstraction has 51 states and 51 transitions. [2019-05-23 09:22:22,617 INFO L146 ILogger]: Interpolant automaton has 33 states. [2019-05-23 09:22:22,618 INFO L146 ILogger]: Start isEmpty. Operand 51 states and 51 transitions. [2019-05-23 09:22:22,618 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 51 [2019-05-23 09:22:22,618 INFO L146 ILogger]: Found error trace [2019-05-23 09:22:22,619 INFO L146 ILogger]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1] [2019-05-23 09:22:22,619 INFO L146 ILogger]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:22:22,619 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:22:22,619 INFO L146 ILogger]: Analyzing trace with hash -882779834, now seen corresponding path program 15 times [2019-05-23 09:22:22,620 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:22:22,691 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:22:22,696 WARN L146 ILogger]: Trace formula consists of 70 conjuncts, 50 conjunts are in the unsatisfiable core [2019-05-23 09:22:22,698 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:22:22,788 INFO L146 ILogger]: 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 [2019-05-23 09:22:22,789 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:22,847 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:22,848 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:22,848 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:22:23,119 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:22:23,119 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:23,125 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:23,125 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:23,125 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:22:23,147 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:22:23,148 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:23,154 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:23,155 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:23,155 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:22:23,193 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:22:23,193 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:23,225 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:23,226 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:23,226 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:22:23,262 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:22:23,263 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:23,274 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:23,274 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:23,274 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:22:23,325 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:22:23,325 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:23,339 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:23,339 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:23,339 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:22:23,387 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:22:23,388 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:23,403 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:23,404 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:23,404 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:22:23,475 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:22:23,476 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:23,493 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:23,494 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:23,494 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:22:23,562 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:22:23,563 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:23,582 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:23,583 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:23,583 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:22:23,691 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:22:23,692 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:23,955 WARN L146 ILogger]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2019-05-23 09:22:23,956 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:23,956 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:23,956 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:22:24,039 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:22:24,040 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:24,061 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:24,062 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:24,062 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:22:24,180 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:22:24,181 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:24,207 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:24,208 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:24,208 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:22:24,320 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:22:24,321 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:24,353 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:24,353 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:24,354 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:22:24,475 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:22:24,476 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:24,507 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:24,508 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:24,508 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:22:24,668 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:22:24,669 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:24,701 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:24,702 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:24,702 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:22:25,011 INFO L146 ILogger]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:22:25,012 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:22:25,012 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2019-05-23 09:22:25,012 INFO L146 ILogger]: Interpolant automaton has 35 states [2019-05-23 09:22:25,012 INFO L146 ILogger]: Constructing interpolant automaton starting with 35 interpolants. [2019-05-23 09:22:25,013 INFO L146 ILogger]: CoverageRelationStatistics Valid=83, Invalid=1107, Unknown=0, NotChecked=0, Total=1190 [2019-05-23 09:22:25,013 INFO L146 ILogger]: Start difference. First operand 51 states and 51 transitions. Second operand 35 states. [2019-05-23 09:22:26,502 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:22:26,502 INFO L146 ILogger]: Finished difference Result 58 states and 58 transitions. [2019-05-23 09:22:26,503 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-05-23 09:22:26,503 INFO L146 ILogger]: Start accepts. Automaton has 35 states. Word has length 50 [2019-05-23 09:22:26,503 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:22:26,504 INFO L146 ILogger]: With dead ends: 58 [2019-05-23 09:22:26,504 INFO L146 ILogger]: Without dead ends: 56 [2019-05-23 09:22:26,505 INFO L146 ILogger]: 0 DeclaredPredicates, 51 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2019-05-23 09:22:26,505 INFO L146 ILogger]: Start minimizeSevpa. Operand 56 states. [2019-05-23 09:22:26,509 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 56 to 54. [2019-05-23 09:22:26,510 INFO L146 ILogger]: Start removeUnreachable. Operand 54 states. [2019-05-23 09:22:26,510 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2019-05-23 09:22:26,510 INFO L146 ILogger]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 50 [2019-05-23 09:22:26,511 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:22:26,511 INFO L146 ILogger]: Abstraction has 54 states and 54 transitions. [2019-05-23 09:22:26,511 INFO L146 ILogger]: Interpolant automaton has 35 states. [2019-05-23 09:22:26,511 INFO L146 ILogger]: Start isEmpty. Operand 54 states and 54 transitions. [2019-05-23 09:22:26,512 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 54 [2019-05-23 09:22:26,512 INFO L146 ILogger]: Found error trace [2019-05-23 09:22:26,512 INFO L146 ILogger]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1] [2019-05-23 09:22:26,512 INFO L146 ILogger]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:22:26,512 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:22:26,513 INFO L146 ILogger]: Analyzing trace with hash -927602168, now seen corresponding path program 16 times [2019-05-23 09:22:26,513 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:22:26,590 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:22:26,595 WARN L146 ILogger]: Trace formula consists of 74 conjuncts, 53 conjunts are in the unsatisfiable core [2019-05-23 09:22:26,597 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:22:26,674 INFO L146 ILogger]: 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 [2019-05-23 09:22:26,675 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:26,749 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:26,750 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:26,750 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:22:26,835 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:22:26,835 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:26,841 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:26,841 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:26,841 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:22:26,877 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:22:26,877 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:26,883 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:26,883 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:26,883 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:22:26,916 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:22:26,916 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:26,924 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:26,924 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:26,924 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:22:26,961 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:22:26,962 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:27,000 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:27,001 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:27,001 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:22:27,039 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:22:27,040 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:27,052 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:27,052 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:27,053 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:22:27,103 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:22:27,104 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:27,124 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:27,124 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:27,125 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:22:27,218 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:22:27,219 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:27,256 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:27,257 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:27,257 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:22:27,324 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:22:27,324 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:27,342 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:27,343 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:27,343 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:22:27,440 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:22:27,441 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:27,460 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:27,461 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:27,461 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:22:27,552 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:22:27,553 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:27,575 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:27,576 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:27,576 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:22:27,670 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:22:27,670 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:27,697 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:27,698 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:27,698 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:22:27,815 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:22:27,816 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:27,843 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:27,843 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:27,844 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:22:28,023 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:22:28,024 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:28,055 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:28,056 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:28,056 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:22:28,203 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:22:28,204 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:28,253 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:28,253 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:28,254 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:22:28,394 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:22:28,395 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:28,443 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:28,444 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:28,444 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:22:28,791 INFO L146 ILogger]: Checked inductivity of 376 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:22:28,792 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:22:28,792 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2019-05-23 09:22:28,792 INFO L146 ILogger]: Interpolant automaton has 37 states [2019-05-23 09:22:28,792 INFO L146 ILogger]: Constructing interpolant automaton starting with 37 interpolants. [2019-05-23 09:22:28,793 INFO L146 ILogger]: CoverageRelationStatistics Valid=88, Invalid=1244, Unknown=0, NotChecked=0, Total=1332 [2019-05-23 09:22:28,793 INFO L146 ILogger]: Start difference. First operand 54 states and 54 transitions. Second operand 37 states. [2019-05-23 09:22:30,213 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:22:30,213 INFO L146 ILogger]: Finished difference Result 61 states and 61 transitions. [2019-05-23 09:22:30,215 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2019-05-23 09:22:30,215 INFO L146 ILogger]: Start accepts. Automaton has 37 states. Word has length 53 [2019-05-23 09:22:30,215 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:22:30,216 INFO L146 ILogger]: With dead ends: 61 [2019-05-23 09:22:30,216 INFO L146 ILogger]: Without dead ends: 59 [2019-05-23 09:22:30,217 INFO L146 ILogger]: 0 DeclaredPredicates, 54 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=98, Invalid=1384, Unknown=0, NotChecked=0, Total=1482 [2019-05-23 09:22:30,217 INFO L146 ILogger]: Start minimizeSevpa. Operand 59 states. [2019-05-23 09:22:30,220 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 59 to 57. [2019-05-23 09:22:30,220 INFO L146 ILogger]: Start removeUnreachable. Operand 57 states. [2019-05-23 09:22:30,221 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2019-05-23 09:22:30,221 INFO L146 ILogger]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 53 [2019-05-23 09:22:30,221 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:22:30,222 INFO L146 ILogger]: Abstraction has 57 states and 57 transitions. [2019-05-23 09:22:30,222 INFO L146 ILogger]: Interpolant automaton has 37 states. [2019-05-23 09:22:30,222 INFO L146 ILogger]: Start isEmpty. Operand 57 states and 57 transitions. [2019-05-23 09:22:30,223 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 57 [2019-05-23 09:22:30,223 INFO L146 ILogger]: Found error trace [2019-05-23 09:22:30,223 INFO L146 ILogger]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1] [2019-05-23 09:22:30,223 INFO L146 ILogger]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:22:30,223 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:22:30,224 INFO L146 ILogger]: Analyzing trace with hash -494925306, now seen corresponding path program 17 times [2019-05-23 09:22:30,224 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:22:30,306 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:22:30,311 WARN L146 ILogger]: Trace formula consists of 78 conjuncts, 56 conjunts are in the unsatisfiable core [2019-05-23 09:22:30,313 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:22:30,403 INFO L146 ILogger]: 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 [2019-05-23 09:22:30,403 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:30,416 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:30,416 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:30,416 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:22:30,435 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:22:30,436 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:30,440 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:30,441 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:30,441 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:22:30,473 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:22:30,474 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:30,481 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:30,482 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:30,482 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:22:30,508 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:22:30,509 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:30,516 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:30,517 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:30,517 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:22:30,551 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:22:30,551 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:30,563 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:30,563 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:30,564 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:22:30,604 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:22:30,604 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:30,617 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:30,617 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:30,617 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:22:30,665 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:22:30,666 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:30,679 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:30,679 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:30,680 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:22:30,734 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:22:30,735 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:30,750 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:30,751 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:30,751 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:22:30,816 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:22:30,817 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:30,836 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:30,837 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:30,837 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:22:30,928 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:22:30,929 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:30,948 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:30,948 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:30,948 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:22:31,032 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:22:31,033 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:31,058 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:31,059 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:31,059 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:22:31,252 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:22:31,253 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:31,307 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:31,307 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:31,307 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:22:31,492 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:22:31,493 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:31,521 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:31,522 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:31,522 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:22:31,644 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:22:31,645 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:31,678 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:31,679 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:31,679 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:22:31,823 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:22:31,824 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:31,862 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:31,862 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:31,862 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:22:32,001 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:22:32,002 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:32,046 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:32,046 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:32,047 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:22:32,211 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:22:32,212 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:32,265 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:32,265 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:32,265 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:22:32,745 INFO L146 ILogger]: Checked inductivity of 425 backedges. 0 proven. 425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:22:32,746 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:22:32,746 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2019-05-23 09:22:32,746 INFO L146 ILogger]: Interpolant automaton has 39 states [2019-05-23 09:22:32,746 INFO L146 ILogger]: Constructing interpolant automaton starting with 39 interpolants. [2019-05-23 09:22:32,747 INFO L146 ILogger]: CoverageRelationStatistics Valid=93, Invalid=1389, Unknown=0, NotChecked=0, Total=1482 [2019-05-23 09:22:32,747 INFO L146 ILogger]: Start difference. First operand 57 states and 57 transitions. Second operand 39 states. [2019-05-23 09:22:34,273 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:22:34,273 INFO L146 ILogger]: Finished difference Result 64 states and 64 transitions. [2019-05-23 09:22:34,274 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2019-05-23 09:22:34,274 INFO L146 ILogger]: Start accepts. Automaton has 39 states. Word has length 56 [2019-05-23 09:22:34,274 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:22:34,275 INFO L146 ILogger]: With dead ends: 64 [2019-05-23 09:22:34,275 INFO L146 ILogger]: Without dead ends: 62 [2019-05-23 09:22:34,276 INFO L146 ILogger]: 0 DeclaredPredicates, 57 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=103, Invalid=1537, Unknown=0, NotChecked=0, Total=1640 [2019-05-23 09:22:34,276 INFO L146 ILogger]: Start minimizeSevpa. Operand 62 states. [2019-05-23 09:22:34,279 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 62 to 60. [2019-05-23 09:22:34,279 INFO L146 ILogger]: Start removeUnreachable. Operand 60 states. [2019-05-23 09:22:34,281 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2019-05-23 09:22:34,281 INFO L146 ILogger]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 56 [2019-05-23 09:22:34,281 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:22:34,281 INFO L146 ILogger]: Abstraction has 60 states and 60 transitions. [2019-05-23 09:22:34,281 INFO L146 ILogger]: Interpolant automaton has 39 states. [2019-05-23 09:22:34,281 INFO L146 ILogger]: Start isEmpty. Operand 60 states and 60 transitions. [2019-05-23 09:22:34,282 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 60 [2019-05-23 09:22:34,282 INFO L146 ILogger]: Found error trace [2019-05-23 09:22:34,282 INFO L146 ILogger]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1] [2019-05-23 09:22:34,283 INFO L146 ILogger]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:22:34,283 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:22:34,283 INFO L146 ILogger]: Analyzing trace with hash 184615240, now seen corresponding path program 18 times [2019-05-23 09:22:34,284 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:22:34,374 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:22:34,379 WARN L146 ILogger]: Trace formula consists of 82 conjuncts, 59 conjunts are in the unsatisfiable core [2019-05-23 09:22:34,380 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:22:34,469 INFO L146 ILogger]: 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 [2019-05-23 09:22:34,470 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:34,541 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:34,542 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:34,542 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:22:34,834 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:22:34,834 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:34,921 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:34,922 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:34,922 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:22:35,120 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:22:35,120 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:35,127 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:35,127 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:35,127 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:22:35,153 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:22:35,154 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:35,163 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:35,164 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:35,164 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:22:35,198 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:22:35,198 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:35,210 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:35,210 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:35,211 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:22:35,259 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:22:35,259 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:35,272 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:35,273 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:35,273 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:22:35,322 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:22:35,323 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:35,359 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:35,359 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:35,359 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:22:35,436 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:22:35,436 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:35,451 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:35,451 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:35,451 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:22:35,514 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:22:35,515 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:35,562 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:35,563 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:35,563 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:22:35,640 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:22:35,640 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:35,659 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:35,660 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:35,660 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:22:35,748 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:22:35,749 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:35,771 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:35,771 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:35,772 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:22:35,890 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:22:35,891 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:35,917 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:35,918 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:35,918 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:22:36,041 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:22:36,041 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:36,093 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:36,094 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:36,094 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:22:36,227 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:22:36,228 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:36,267 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:36,268 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:36,268 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:22:36,513 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:22:36,514 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:36,559 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:36,560 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:36,560 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:22:36,753 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:22:36,753 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:36,847 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:36,848 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:36,848 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:22:37,007 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:22:37,008 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:37,047 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:37,048 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:37,048 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:22:37,225 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:22:37,225 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:37,263 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:37,264 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:37,264 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:22:37,668 INFO L146 ILogger]: Checked inductivity of 477 backedges. 0 proven. 477 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:22:37,668 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:22:37,668 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2019-05-23 09:22:37,669 INFO L146 ILogger]: Interpolant automaton has 41 states [2019-05-23 09:22:37,669 INFO L146 ILogger]: Constructing interpolant automaton starting with 41 interpolants. [2019-05-23 09:22:37,669 INFO L146 ILogger]: CoverageRelationStatistics Valid=98, Invalid=1542, Unknown=0, NotChecked=0, Total=1640 [2019-05-23 09:22:37,670 INFO L146 ILogger]: Start difference. First operand 60 states and 60 transitions. Second operand 41 states. [2019-05-23 09:22:39,535 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:22:39,535 INFO L146 ILogger]: Finished difference Result 67 states and 67 transitions. [2019-05-23 09:22:39,535 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2019-05-23 09:22:39,536 INFO L146 ILogger]: Start accepts. Automaton has 41 states. Word has length 59 [2019-05-23 09:22:39,536 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:22:39,536 INFO L146 ILogger]: With dead ends: 67 [2019-05-23 09:22:39,537 INFO L146 ILogger]: Without dead ends: 65 [2019-05-23 09:22:39,538 INFO L146 ILogger]: 0 DeclaredPredicates, 60 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=108, Invalid=1698, Unknown=0, NotChecked=0, Total=1806 [2019-05-23 09:22:39,538 INFO L146 ILogger]: Start minimizeSevpa. Operand 65 states. [2019-05-23 09:22:39,541 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 65 to 63. [2019-05-23 09:22:39,541 INFO L146 ILogger]: Start removeUnreachable. Operand 63 states. [2019-05-23 09:22:39,542 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2019-05-23 09:22:39,542 INFO L146 ILogger]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 59 [2019-05-23 09:22:39,542 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:22:39,542 INFO L146 ILogger]: Abstraction has 63 states and 63 transitions. [2019-05-23 09:22:39,542 INFO L146 ILogger]: Interpolant automaton has 41 states. [2019-05-23 09:22:39,542 INFO L146 ILogger]: Start isEmpty. Operand 63 states and 63 transitions. [2019-05-23 09:22:39,543 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 63 [2019-05-23 09:22:39,543 INFO L146 ILogger]: Found error trace [2019-05-23 09:22:39,543 INFO L146 ILogger]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1] [2019-05-23 09:22:39,543 INFO L146 ILogger]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:22:39,544 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:22:39,544 INFO L146 ILogger]: Analyzing trace with hash -2098812218, now seen corresponding path program 19 times [2019-05-23 09:22:39,544 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:22:39,640 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:22:39,645 WARN L146 ILogger]: Trace formula consists of 86 conjuncts, 62 conjunts are in the unsatisfiable core [2019-05-23 09:22:39,646 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:22:39,739 INFO L146 ILogger]: 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 [2019-05-23 09:22:39,740 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:39,805 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:39,805 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:39,806 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:22:40,068 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:22:40,069 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:40,093 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:40,094 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:40,094 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:22:40,112 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:22:40,113 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:40,120 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:40,120 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:40,120 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:22:40,147 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:22:40,147 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:40,157 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:40,157 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:40,157 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:22:40,195 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:22:40,195 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:40,205 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:40,206 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:40,206 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:22:40,267 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:22:40,267 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:40,279 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:40,279 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:40,280 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:22:40,334 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:22:40,334 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:40,349 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:40,350 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:40,350 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:22:40,412 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:22:40,413 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:40,429 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:40,429 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:40,429 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:22:40,497 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:22:40,498 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:40,514 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:40,515 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:40,515 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:22:40,587 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:22:40,588 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:40,608 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:40,609 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:40,609 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:22:40,696 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:22:40,697 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:40,745 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:40,746 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:40,746 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:22:40,847 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:22:40,847 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:40,873 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:40,874 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:40,874 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:22:40,994 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:22:40,995 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:41,046 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:41,047 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:41,047 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:22:41,170 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:22:41,171 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:41,204 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:41,204 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:41,204 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:22:41,344 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:22:41,345 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:41,391 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:41,391 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:41,391 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:22:41,617 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:22:41,618 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:41,688 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:41,689 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:41,689 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:22:41,855 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:22:41,856 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:41,895 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:41,896 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:41,896 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:22:42,065 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:22:42,065 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:42,105 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:42,105 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:42,106 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:22:42,300 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:22:42,301 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:42,344 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:42,345 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:42,345 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:22:42,783 INFO L146 ILogger]: Checked inductivity of 532 backedges. 0 proven. 532 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:22:42,783 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:22:42,783 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2019-05-23 09:22:42,783 INFO L146 ILogger]: Interpolant automaton has 43 states [2019-05-23 09:22:42,784 INFO L146 ILogger]: Constructing interpolant automaton starting with 43 interpolants. [2019-05-23 09:22:42,784 INFO L146 ILogger]: CoverageRelationStatistics Valid=103, Invalid=1703, Unknown=0, NotChecked=0, Total=1806 [2019-05-23 09:22:42,784 INFO L146 ILogger]: Start difference. First operand 63 states and 63 transitions. Second operand 43 states. [2019-05-23 09:22:44,634 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:22:44,634 INFO L146 ILogger]: Finished difference Result 70 states and 70 transitions. [2019-05-23 09:22:44,634 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2019-05-23 09:22:44,635 INFO L146 ILogger]: Start accepts. Automaton has 43 states. Word has length 62 [2019-05-23 09:22:44,635 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:22:44,636 INFO L146 ILogger]: With dead ends: 70 [2019-05-23 09:22:44,636 INFO L146 ILogger]: Without dead ends: 68 [2019-05-23 09:22:44,637 INFO L146 ILogger]: 0 DeclaredPredicates, 63 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=113, Invalid=1867, Unknown=0, NotChecked=0, Total=1980 [2019-05-23 09:22:44,637 INFO L146 ILogger]: Start minimizeSevpa. Operand 68 states. [2019-05-23 09:22:44,640 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 68 to 66. [2019-05-23 09:22:44,640 INFO L146 ILogger]: Start removeUnreachable. Operand 66 states. [2019-05-23 09:22:44,640 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2019-05-23 09:22:44,640 INFO L146 ILogger]: Start accepts. Automaton has 66 states and 66 transitions. Word has length 62 [2019-05-23 09:22:44,641 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:22:44,641 INFO L146 ILogger]: Abstraction has 66 states and 66 transitions. [2019-05-23 09:22:44,641 INFO L146 ILogger]: Interpolant automaton has 43 states. [2019-05-23 09:22:44,641 INFO L146 ILogger]: Start isEmpty. Operand 66 states and 66 transitions. [2019-05-23 09:22:44,642 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 66 [2019-05-23 09:22:44,642 INFO L146 ILogger]: Found error trace [2019-05-23 09:22:44,642 INFO L146 ILogger]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1] [2019-05-23 09:22:44,642 INFO L146 ILogger]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:22:44,642 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:22:44,642 INFO L146 ILogger]: Analyzing trace with hash 300787848, now seen corresponding path program 20 times [2019-05-23 09:22:44,643 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:22:44,762 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:22:44,768 WARN L146 ILogger]: Trace formula consists of 90 conjuncts, 65 conjunts are in the unsatisfiable core [2019-05-23 09:22:44,770 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:22:44,857 INFO L146 ILogger]: 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 [2019-05-23 09:22:44,858 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:44,918 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:44,918 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:44,918 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:22:45,059 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:22:45,059 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:45,069 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:45,069 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:45,069 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:22:45,097 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:22:45,097 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:45,124 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:45,125 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:45,125 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:22:45,151 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:22:45,152 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:45,160 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:45,161 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:45,161 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:22:45,194 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:22:45,195 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:45,205 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:45,205 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:45,206 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:22:45,245 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:22:45,246 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:45,258 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:45,258 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:45,258 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:22:45,306 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:22:45,307 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:45,319 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:45,319 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:45,320 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:22:45,373 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:22:45,373 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:45,390 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:45,390 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:45,390 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:22:45,452 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:22:45,452 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:45,471 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:45,471 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:45,471 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:22:45,545 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:22:45,545 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:45,565 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:45,566 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:45,566 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:22:45,648 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:22:45,649 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:45,672 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:45,672 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:45,672 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:22:45,787 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:22:45,788 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:45,813 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:45,813 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:45,814 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:22:45,920 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:22:45,921 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:45,948 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:45,948 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:45,948 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:22:46,245 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:22:46,246 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:46,276 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:46,276 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:46,277 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:22:46,416 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:22:46,417 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:46,484 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:46,485 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:46,485 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:22:46,689 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:22:46,690 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:46,745 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:46,745 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:46,745 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:22:46,981 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:22:46,982 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:47,022 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:47,022 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:47,023 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:22:47,198 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:22:47,199 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:47,243 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:47,244 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:47,244 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:22:47,434 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:22:47,435 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:47,481 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:47,481 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:47,482 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:22:47,683 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:22:47,684 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:47,729 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:47,730 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:47,730 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:22:48,208 INFO L146 ILogger]: Checked inductivity of 590 backedges. 0 proven. 590 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:22:48,208 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:22:48,208 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2019-05-23 09:22:48,209 INFO L146 ILogger]: Interpolant automaton has 45 states [2019-05-23 09:22:48,209 INFO L146 ILogger]: Constructing interpolant automaton starting with 45 interpolants. [2019-05-23 09:22:48,210 INFO L146 ILogger]: CoverageRelationStatistics Valid=108, Invalid=1872, Unknown=0, NotChecked=0, Total=1980 [2019-05-23 09:22:48,210 INFO L146 ILogger]: Start difference. First operand 66 states and 66 transitions. Second operand 45 states. [2019-05-23 09:22:50,400 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:22:50,400 INFO L146 ILogger]: Finished difference Result 73 states and 73 transitions. [2019-05-23 09:22:50,400 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2019-05-23 09:22:50,401 INFO L146 ILogger]: Start accepts. Automaton has 45 states. Word has length 65 [2019-05-23 09:22:50,401 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:22:50,401 INFO L146 ILogger]: With dead ends: 73 [2019-05-23 09:22:50,402 INFO L146 ILogger]: Without dead ends: 71 [2019-05-23 09:22:50,403 INFO L146 ILogger]: 0 DeclaredPredicates, 66 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=118, Invalid=2044, Unknown=0, NotChecked=0, Total=2162 [2019-05-23 09:22:50,403 INFO L146 ILogger]: Start minimizeSevpa. Operand 71 states. [2019-05-23 09:22:50,406 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 71 to 69. [2019-05-23 09:22:50,406 INFO L146 ILogger]: Start removeUnreachable. Operand 69 states. [2019-05-23 09:22:50,407 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2019-05-23 09:22:50,407 INFO L146 ILogger]: Start accepts. Automaton has 69 states and 69 transitions. Word has length 65 [2019-05-23 09:22:50,407 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:22:50,407 INFO L146 ILogger]: Abstraction has 69 states and 69 transitions. [2019-05-23 09:22:50,407 INFO L146 ILogger]: Interpolant automaton has 45 states. [2019-05-23 09:22:50,408 INFO L146 ILogger]: Start isEmpty. Operand 69 states and 69 transitions. [2019-05-23 09:22:50,408 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 69 [2019-05-23 09:22:50,408 INFO L146 ILogger]: Found error trace [2019-05-23 09:22:50,408 INFO L146 ILogger]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1] [2019-05-23 09:22:50,409 INFO L146 ILogger]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:22:50,409 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:22:50,409 INFO L146 ILogger]: Analyzing trace with hash 1350679430, now seen corresponding path program 21 times [2019-05-23 09:22:50,410 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:22:50,513 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:22:50,519 WARN L146 ILogger]: Trace formula consists of 94 conjuncts, 68 conjunts are in the unsatisfiable core [2019-05-23 09:22:50,520 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:22:50,605 INFO L146 ILogger]: 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 [2019-05-23 09:22:50,605 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:50,616 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:50,616 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:50,616 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:22:50,637 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:22:50,638 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:50,662 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:50,663 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:50,663 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:22:50,682 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:22:50,682 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:50,689 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:50,689 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:50,690 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:22:50,716 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:22:50,717 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:50,725 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:50,726 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:50,726 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:22:50,760 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:22:50,760 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:50,771 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:50,771 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:50,771 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:22:50,811 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:22:50,812 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:50,824 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:50,824 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:50,824 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:22:50,886 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:22:50,887 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:50,900 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:50,901 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:50,901 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:22:50,955 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:22:50,955 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:50,971 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:50,971 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:50,972 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:22:51,035 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:22:51,036 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:51,053 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:51,054 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:51,054 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:22:51,127 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:22:51,128 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:51,149 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:51,150 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:51,150 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:22:51,233 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:22:51,234 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:51,257 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:51,257 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:51,257 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:22:51,363 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:22:51,364 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:51,388 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:51,388 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:51,389 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:22:51,493 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:22:51,493 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:51,520 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:51,520 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:51,521 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:22:51,721 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:22:51,721 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:51,760 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:51,760 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:51,761 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:22:51,981 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:22:51,982 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:52,016 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:52,016 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:52,016 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:22:52,158 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:22:52,159 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:52,201 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:52,202 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:52,202 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:22:52,356 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:22:52,357 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:52,394 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:52,394 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:52,395 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:22:52,562 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:22:52,563 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:52,602 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:52,602 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:52,602 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:22:53,190 WARN L146 ILogger]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-05-23 09:22:53,288 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:22:53,289 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:53,336 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:53,337 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:53,337 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:22:53,585 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:22:53,586 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:53,632 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:53,632 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:53,632 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:22:53,863 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:22:53,865 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:53,913 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:53,914 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:53,914 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:22:54,473 INFO L146 ILogger]: Checked inductivity of 651 backedges. 0 proven. 651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:22:54,473 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:22:54,473 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2019-05-23 09:22:54,473 INFO L146 ILogger]: Interpolant automaton has 47 states [2019-05-23 09:22:54,474 INFO L146 ILogger]: Constructing interpolant automaton starting with 47 interpolants. [2019-05-23 09:22:54,474 INFO L146 ILogger]: CoverageRelationStatistics Valid=113, Invalid=2049, Unknown=0, NotChecked=0, Total=2162 [2019-05-23 09:22:54,474 INFO L146 ILogger]: Start difference. First operand 69 states and 69 transitions. Second operand 47 states. [2019-05-23 09:22:56,790 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:22:56,791 INFO L146 ILogger]: Finished difference Result 76 states and 76 transitions. [2019-05-23 09:22:56,793 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2019-05-23 09:22:56,793 INFO L146 ILogger]: Start accepts. Automaton has 47 states. Word has length 68 [2019-05-23 09:22:56,794 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:22:56,794 INFO L146 ILogger]: With dead ends: 76 [2019-05-23 09:22:56,794 INFO L146 ILogger]: Without dead ends: 74 [2019-05-23 09:22:56,795 INFO L146 ILogger]: 0 DeclaredPredicates, 69 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=123, Invalid=2229, Unknown=0, NotChecked=0, Total=2352 [2019-05-23 09:22:56,796 INFO L146 ILogger]: Start minimizeSevpa. Operand 74 states. [2019-05-23 09:22:56,798 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 74 to 72. [2019-05-23 09:22:56,798 INFO L146 ILogger]: Start removeUnreachable. Operand 72 states. [2019-05-23 09:22:56,798 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 72 states to 72 states and 72 transitions. [2019-05-23 09:22:56,798 INFO L146 ILogger]: Start accepts. Automaton has 72 states and 72 transitions. Word has length 68 [2019-05-23 09:22:56,798 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:22:56,798 INFO L146 ILogger]: Abstraction has 72 states and 72 transitions. [2019-05-23 09:22:56,798 INFO L146 ILogger]: Interpolant automaton has 47 states. [2019-05-23 09:22:56,798 INFO L146 ILogger]: Start isEmpty. Operand 72 states and 72 transitions. [2019-05-23 09:22:56,799 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 72 [2019-05-23 09:22:56,799 INFO L146 ILogger]: Found error trace [2019-05-23 09:22:56,799 INFO L146 ILogger]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1] [2019-05-23 09:22:56,800 INFO L146 ILogger]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:22:56,800 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:22:56,800 INFO L146 ILogger]: Analyzing trace with hash -1576017976, now seen corresponding path program 22 times [2019-05-23 09:22:56,800 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:22:56,942 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:22:56,948 WARN L146 ILogger]: Trace formula consists of 98 conjuncts, 71 conjunts are in the unsatisfiable core [2019-05-23 09:22:56,950 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:22:57,035 INFO L146 ILogger]: 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 [2019-05-23 09:22:57,036 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:57,105 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:57,106 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:57,106 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:22:57,123 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:22:57,124 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:57,130 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:57,130 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:57,130 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:22:57,151 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:22:57,152 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:57,159 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:57,159 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:57,160 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:22:57,186 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:22:57,187 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:57,196 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:57,196 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:57,196 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:22:57,230 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:22:57,231 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:57,242 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:57,242 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:57,242 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:22:57,284 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:22:57,285 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:57,297 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:57,297 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:57,297 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:22:57,343 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:22:57,344 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:57,358 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:57,359 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:57,359 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:22:57,416 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:22:57,417 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:57,433 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:57,433 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:57,434 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:22:57,499 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:22:57,499 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:57,517 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:57,518 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:57,518 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:22:57,594 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:22:57,595 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:57,616 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:57,616 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:57,616 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:22:57,711 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:22:57,711 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:57,735 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:57,735 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:57,736 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:22:57,830 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:22:57,831 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:57,854 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:57,855 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:57,855 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:22:57,960 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:22:57,961 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:57,988 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:57,988 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:57,988 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:22:58,108 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:22:58,109 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:58,139 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:58,140 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:58,140 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:22:58,266 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:22:58,267 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:58,299 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:58,299 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:58,299 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:22:58,445 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:22:58,446 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:58,482 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:58,483 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:58,483 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:22:58,644 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:22:58,645 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:58,683 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:58,683 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:58,683 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:22:58,854 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:22:58,855 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:58,896 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:58,896 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:58,896 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:22:59,084 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:22:59,084 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:59,128 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:59,129 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:59,129 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:22:59,334 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:22:59,335 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:59,384 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:59,384 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:59,385 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:22:59,613 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:22:59,614 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:22:59,667 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:22:59,668 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:22:59,668 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:23:00,002 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:23:00,003 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:00,065 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:00,066 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:00,066 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:23:00,616 INFO L146 ILogger]: Checked inductivity of 715 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:23:00,616 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:23:00,616 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2019-05-23 09:23:00,617 INFO L146 ILogger]: Interpolant automaton has 49 states [2019-05-23 09:23:00,617 INFO L146 ILogger]: Constructing interpolant automaton starting with 49 interpolants. [2019-05-23 09:23:00,618 INFO L146 ILogger]: CoverageRelationStatistics Valid=118, Invalid=2234, Unknown=0, NotChecked=0, Total=2352 [2019-05-23 09:23:00,618 INFO L146 ILogger]: Start difference. First operand 72 states and 72 transitions. Second operand 49 states. [2019-05-23 09:23:03,474 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:23:03,474 INFO L146 ILogger]: Finished difference Result 79 states and 79 transitions. [2019-05-23 09:23:03,475 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2019-05-23 09:23:03,475 INFO L146 ILogger]: Start accepts. Automaton has 49 states. Word has length 71 [2019-05-23 09:23:03,475 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:23:03,476 INFO L146 ILogger]: With dead ends: 79 [2019-05-23 09:23:03,476 INFO L146 ILogger]: Without dead ends: 77 [2019-05-23 09:23:03,478 INFO L146 ILogger]: 0 DeclaredPredicates, 72 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 574 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=128, Invalid=2422, Unknown=0, NotChecked=0, Total=2550 [2019-05-23 09:23:03,478 INFO L146 ILogger]: Start minimizeSevpa. Operand 77 states. [2019-05-23 09:23:03,480 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 77 to 75. [2019-05-23 09:23:03,480 INFO L146 ILogger]: Start removeUnreachable. Operand 75 states. [2019-05-23 09:23:03,481 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2019-05-23 09:23:03,481 INFO L146 ILogger]: Start accepts. Automaton has 75 states and 75 transitions. Word has length 71 [2019-05-23 09:23:03,481 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:23:03,481 INFO L146 ILogger]: Abstraction has 75 states and 75 transitions. [2019-05-23 09:23:03,481 INFO L146 ILogger]: Interpolant automaton has 49 states. [2019-05-23 09:23:03,482 INFO L146 ILogger]: Start isEmpty. Operand 75 states and 75 transitions. [2019-05-23 09:23:03,482 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 75 [2019-05-23 09:23:03,482 INFO L146 ILogger]: Found error trace [2019-05-23 09:23:03,483 INFO L146 ILogger]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1] [2019-05-23 09:23:03,483 INFO L146 ILogger]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:23:03,483 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:23:03,483 INFO L146 ILogger]: Analyzing trace with hash 1312635974, now seen corresponding path program 23 times [2019-05-23 09:23:03,484 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:23:03,647 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:23:03,656 WARN L146 ILogger]: Trace formula consists of 102 conjuncts, 74 conjunts are in the unsatisfiable core [2019-05-23 09:23:03,657 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:23:03,740 INFO L146 ILogger]: 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 [2019-05-23 09:23:03,741 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:03,809 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:03,809 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:03,810 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:23:03,856 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:23:03,856 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:03,863 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:03,864 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:03,864 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:23:03,884 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:23:03,884 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:03,889 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:03,890 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:03,890 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:23:03,918 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:23:03,919 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:03,926 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:03,926 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:03,926 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:23:03,959 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:23:03,959 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:03,970 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:03,970 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:03,970 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:23:04,011 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:23:04,012 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:04,024 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:04,025 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:04,025 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:23:04,074 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:23:04,074 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:04,087 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:04,088 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:04,088 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:23:04,144 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:23:04,145 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:04,161 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:04,162 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:04,162 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:23:04,226 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:23:04,227 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:04,245 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:04,245 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:04,246 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:23:04,320 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:23:04,321 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:04,341 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:04,341 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:04,342 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:23:04,454 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:23:04,455 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:04,476 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:04,476 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:04,476 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:23:04,565 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:23:04,565 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:04,591 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:04,591 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:04,592 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:23:04,739 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:23:04,740 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:04,767 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:04,767 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:04,767 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:23:04,881 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:23:04,881 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:04,912 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:04,912 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:04,912 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:23:05,043 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:23:05,044 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:05,076 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:05,076 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:05,077 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:23:05,258 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:23:05,259 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:05,384 WARN L146 ILogger]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-05-23 09:23:05,384 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:05,385 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:05,385 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:23:05,543 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:23:05,543 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:05,583 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:05,584 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:05,584 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:23:05,767 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:23:05,768 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:05,810 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:05,811 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:05,811 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:23:05,998 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:23:05,999 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:06,047 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:06,047 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:06,048 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:23:06,248 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:23:06,249 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:06,299 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:06,300 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:06,300 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:23:06,521 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:23:06,522 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:06,574 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:06,574 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:06,575 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:23:06,810 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:23:06,811 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:06,865 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:06,865 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:06,866 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:23:07,176 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:23:07,178 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:07,253 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:07,253 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:07,254 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:23:07,899 INFO L146 ILogger]: Checked inductivity of 782 backedges. 0 proven. 782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:23:07,899 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:23:07,899 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2019-05-23 09:23:07,900 INFO L146 ILogger]: Interpolant automaton has 51 states [2019-05-23 09:23:07,900 INFO L146 ILogger]: Constructing interpolant automaton starting with 51 interpolants. [2019-05-23 09:23:07,905 INFO L146 ILogger]: CoverageRelationStatistics Valid=123, Invalid=2427, Unknown=0, NotChecked=0, Total=2550 [2019-05-23 09:23:07,906 INFO L146 ILogger]: Start difference. First operand 75 states and 75 transitions. Second operand 51 states. [2019-05-23 09:23:10,542 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:23:10,542 INFO L146 ILogger]: Finished difference Result 82 states and 82 transitions. [2019-05-23 09:23:10,543 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2019-05-23 09:23:10,543 INFO L146 ILogger]: Start accepts. Automaton has 51 states. Word has length 74 [2019-05-23 09:23:10,543 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:23:10,544 INFO L146 ILogger]: With dead ends: 82 [2019-05-23 09:23:10,544 INFO L146 ILogger]: Without dead ends: 80 [2019-05-23 09:23:10,545 INFO L146 ILogger]: 0 DeclaredPredicates, 75 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 623 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=133, Invalid=2623, Unknown=0, NotChecked=0, Total=2756 [2019-05-23 09:23:10,546 INFO L146 ILogger]: Start minimizeSevpa. Operand 80 states. [2019-05-23 09:23:10,547 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 80 to 78. [2019-05-23 09:23:10,547 INFO L146 ILogger]: Start removeUnreachable. Operand 78 states. [2019-05-23 09:23:10,547 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2019-05-23 09:23:10,547 INFO L146 ILogger]: Start accepts. Automaton has 78 states and 78 transitions. Word has length 74 [2019-05-23 09:23:10,547 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:23:10,547 INFO L146 ILogger]: Abstraction has 78 states and 78 transitions. [2019-05-23 09:23:10,547 INFO L146 ILogger]: Interpolant automaton has 51 states. [2019-05-23 09:23:10,547 INFO L146 ILogger]: Start isEmpty. Operand 78 states and 78 transitions. [2019-05-23 09:23:10,548 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 78 [2019-05-23 09:23:10,548 INFO L146 ILogger]: Found error trace [2019-05-23 09:23:10,548 INFO L146 ILogger]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1] [2019-05-23 09:23:10,548 INFO L146 ILogger]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:23:10,549 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:23:10,549 INFO L146 ILogger]: Analyzing trace with hash -1057249528, now seen corresponding path program 24 times [2019-05-23 09:23:10,549 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:23:10,686 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:23:10,695 WARN L146 ILogger]: Trace formula consists of 106 conjuncts, 77 conjunts are in the unsatisfiable core [2019-05-23 09:23:10,697 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:23:10,779 INFO L146 ILogger]: 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 [2019-05-23 09:23:10,780 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:10,843 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:10,843 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:10,843 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:23:10,968 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:23:10,968 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:10,974 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:10,974 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:10,975 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:23:10,994 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:23:10,995 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:11,002 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:11,003 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:11,003 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:23:11,029 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:23:11,030 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:11,039 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:11,039 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:11,039 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:23:11,071 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:23:11,071 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:11,080 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:11,080 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:11,080 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:23:11,120 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:23:11,120 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:11,139 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:11,139 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:11,140 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:23:11,187 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:23:11,188 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:11,203 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:11,203 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:11,203 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:23:11,258 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:23:11,258 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:11,285 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:11,285 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:11,286 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:23:11,351 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:23:11,352 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:11,373 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:11,373 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:11,373 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:23:11,463 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:23:11,472 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:11,491 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:11,491 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:11,492 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:23:11,584 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:23:11,585 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:11,610 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:11,610 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:11,610 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:23:11,722 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:23:11,722 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:11,750 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:11,750 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:11,750 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:23:11,855 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:23:11,856 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:11,883 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:11,883 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:11,884 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:23:12,003 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:23:12,004 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:12,033 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:12,033 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:12,033 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:23:12,267 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:23:12,268 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:12,310 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:12,310 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:12,311 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:23:12,544 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:23:12,545 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:12,580 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:12,581 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:12,581 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:23:12,744 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:23:12,745 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:12,783 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:12,784 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:12,784 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:23:12,958 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:23:12,959 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:13,001 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:13,001 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:13,002 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:23:13,193 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:23:13,194 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:13,239 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:13,239 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:13,239 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:23:13,441 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:23:13,442 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:13,491 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:13,492 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:13,492 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:23:13,753 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:23:13,754 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:14,029 WARN L146 ILogger]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-05-23 09:23:14,029 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:14,030 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:14,030 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:23:14,271 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:23:14,272 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:14,333 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:14,333 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:14,334 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:23:14,619 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:23:14,620 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:14,679 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:14,680 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:14,680 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:23:14,950 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:23:14,952 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:15,015 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:15,016 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:15,016 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:23:15,669 INFO L146 ILogger]: Checked inductivity of 852 backedges. 0 proven. 852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:23:15,669 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:23:15,669 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2019-05-23 09:23:15,670 INFO L146 ILogger]: Interpolant automaton has 53 states [2019-05-23 09:23:15,670 INFO L146 ILogger]: Constructing interpolant automaton starting with 53 interpolants. [2019-05-23 09:23:15,670 INFO L146 ILogger]: CoverageRelationStatistics Valid=128, Invalid=2628, Unknown=0, NotChecked=0, Total=2756 [2019-05-23 09:23:15,671 INFO L146 ILogger]: Start difference. First operand 78 states and 78 transitions. Second operand 53 states. [2019-05-23 09:23:18,772 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:23:18,773 INFO L146 ILogger]: Finished difference Result 85 states and 85 transitions. [2019-05-23 09:23:18,773 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2019-05-23 09:23:18,773 INFO L146 ILogger]: Start accepts. Automaton has 53 states. Word has length 77 [2019-05-23 09:23:18,774 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:23:18,774 INFO L146 ILogger]: With dead ends: 85 [2019-05-23 09:23:18,775 INFO L146 ILogger]: Without dead ends: 83 [2019-05-23 09:23:18,776 INFO L146 ILogger]: 0 DeclaredPredicates, 78 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=138, Invalid=2832, Unknown=0, NotChecked=0, Total=2970 [2019-05-23 09:23:18,777 INFO L146 ILogger]: Start minimizeSevpa. Operand 83 states. [2019-05-23 09:23:18,779 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 83 to 81. [2019-05-23 09:23:18,779 INFO L146 ILogger]: Start removeUnreachable. Operand 81 states. [2019-05-23 09:23:18,779 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2019-05-23 09:23:18,779 INFO L146 ILogger]: Start accepts. Automaton has 81 states and 81 transitions. Word has length 77 [2019-05-23 09:23:18,780 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:23:18,780 INFO L146 ILogger]: Abstraction has 81 states and 81 transitions. [2019-05-23 09:23:18,780 INFO L146 ILogger]: Interpolant automaton has 53 states. [2019-05-23 09:23:18,780 INFO L146 ILogger]: Start isEmpty. Operand 81 states and 81 transitions. [2019-05-23 09:23:18,781 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 81 [2019-05-23 09:23:18,781 INFO L146 ILogger]: Found error trace [2019-05-23 09:23:18,781 INFO L146 ILogger]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1] [2019-05-23 09:23:18,781 INFO L146 ILogger]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:23:18,781 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:23:18,781 INFO L146 ILogger]: Analyzing trace with hash -1643827962, now seen corresponding path program 25 times [2019-05-23 09:23:18,782 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:23:18,939 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:23:18,948 WARN L146 ILogger]: Trace formula consists of 110 conjuncts, 80 conjunts are in the unsatisfiable core [2019-05-23 09:23:18,949 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:23:19,018 INFO L146 ILogger]: 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 [2019-05-23 09:23:19,019 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:19,027 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:19,027 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:19,027 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:23:19,047 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:23:19,047 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:19,052 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:19,053 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:19,053 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:23:19,072 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:23:19,072 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:19,079 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:19,080 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:19,080 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:23:19,109 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:23:19,109 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:19,118 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:19,118 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:19,118 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:23:19,150 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:23:19,150 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:19,173 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:19,173 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:19,173 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:23:19,213 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:23:19,214 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:19,239 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:19,240 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:19,240 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:23:19,288 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:23:19,289 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:19,303 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:19,303 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:19,303 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:23:19,402 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:23:19,403 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:19,623 WARN L146 ILogger]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2019-05-23 09:23:19,624 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:19,624 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:19,624 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:23:19,714 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:23:19,715 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:19,732 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:19,733 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:19,733 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:23:19,805 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:23:19,805 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:19,826 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:19,827 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:19,827 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:23:19,910 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:23:19,911 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:19,933 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:19,933 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:19,933 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:23:20,024 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:23:20,025 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:20,050 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:20,050 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:20,051 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:23:20,173 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:23:20,174 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:20,257 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:20,257 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:20,257 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:23:20,375 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:23:20,376 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:20,416 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:20,417 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:20,417 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:23:20,549 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:23:20,551 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:20,581 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:20,582 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:20,582 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:23:20,723 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:23:20,724 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:20,762 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:20,762 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:20,762 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:23:20,953 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:23:20,954 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:20,992 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:20,992 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:20,992 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:23:21,167 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:23:21,168 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:21,209 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:21,209 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:21,209 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:23:21,395 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:23:21,396 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:21,461 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:21,461 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:21,462 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:23:21,677 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:23:21,678 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:21,728 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:21,729 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:21,729 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:23:21,959 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:23:21,960 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:22,009 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:22,009 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:22,010 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:23:22,259 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:23:22,260 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:22,329 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:22,330 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:22,330 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:23:22,706 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:23:22,707 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:22,771 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:22,771 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:22,772 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:23:23,047 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:23:23,048 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:23,119 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:23,120 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:23,120 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:23:23,434 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:23:23,434 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:23,497 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:23,498 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:23,498 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:23:24,183 INFO L146 ILogger]: Checked inductivity of 925 backedges. 0 proven. 925 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:23:24,183 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:23:24,183 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2019-05-23 09:23:24,184 INFO L146 ILogger]: Interpolant automaton has 55 states [2019-05-23 09:23:24,184 INFO L146 ILogger]: Constructing interpolant automaton starting with 55 interpolants. [2019-05-23 09:23:24,185 INFO L146 ILogger]: CoverageRelationStatistics Valid=133, Invalid=2837, Unknown=0, NotChecked=0, Total=2970 [2019-05-23 09:23:24,185 INFO L146 ILogger]: Start difference. First operand 81 states and 81 transitions. Second operand 55 states. [2019-05-23 09:23:27,343 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:23:27,343 INFO L146 ILogger]: Finished difference Result 88 states and 88 transitions. [2019-05-23 09:23:27,344 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2019-05-23 09:23:27,344 INFO L146 ILogger]: Start accepts. Automaton has 55 states. Word has length 80 [2019-05-23 09:23:27,344 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:23:27,345 INFO L146 ILogger]: With dead ends: 88 [2019-05-23 09:23:27,345 INFO L146 ILogger]: Without dead ends: 86 [2019-05-23 09:23:27,347 INFO L146 ILogger]: 0 DeclaredPredicates, 81 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 727 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=143, Invalid=3049, Unknown=0, NotChecked=0, Total=3192 [2019-05-23 09:23:27,347 INFO L146 ILogger]: Start minimizeSevpa. Operand 86 states. [2019-05-23 09:23:27,348 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 86 to 84. [2019-05-23 09:23:27,348 INFO L146 ILogger]: Start removeUnreachable. Operand 84 states. [2019-05-23 09:23:27,348 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 84 states to 84 states and 84 transitions. [2019-05-23 09:23:27,348 INFO L146 ILogger]: Start accepts. Automaton has 84 states and 84 transitions. Word has length 80 [2019-05-23 09:23:27,348 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:23:27,348 INFO L146 ILogger]: Abstraction has 84 states and 84 transitions. [2019-05-23 09:23:27,349 INFO L146 ILogger]: Interpolant automaton has 55 states. [2019-05-23 09:23:27,349 INFO L146 ILogger]: Start isEmpty. Operand 84 states and 84 transitions. [2019-05-23 09:23:27,349 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 84 [2019-05-23 09:23:27,349 INFO L146 ILogger]: Found error trace [2019-05-23 09:23:27,349 INFO L146 ILogger]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1] [2019-05-23 09:23:27,349 INFO L146 ILogger]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:23:27,349 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:23:27,349 INFO L146 ILogger]: Analyzing trace with hash -180027832, now seen corresponding path program 26 times [2019-05-23 09:23:27,350 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:23:27,533 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:23:27,543 WARN L146 ILogger]: Trace formula consists of 114 conjuncts, 83 conjunts are in the unsatisfiable core [2019-05-23 09:23:27,545 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:23:27,636 INFO L146 ILogger]: 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 [2019-05-23 09:23:27,636 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:27,710 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:27,711 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:27,711 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:23:28,002 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:23:28,002 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:28,097 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:28,097 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:28,098 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:23:28,129 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:23:28,129 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:28,137 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:28,137 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:28,137 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:23:28,176 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:23:28,176 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:28,185 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:28,185 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:28,186 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:23:28,220 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:23:28,221 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:28,231 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:28,231 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:28,231 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:23:28,270 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:23:28,270 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:28,283 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:28,283 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:28,283 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:23:28,334 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:23:28,335 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:28,349 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:28,349 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:28,349 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:23:28,405 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:23:28,406 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:28,422 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:28,423 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:28,423 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:23:28,493 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:23:28,494 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:28,513 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:28,513 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:28,514 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:23:28,588 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:23:28,589 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:28,610 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:28,610 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:28,610 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:23:28,696 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:23:28,697 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:28,721 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:28,722 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:28,722 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:23:28,818 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:23:28,819 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:28,851 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:28,852 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:28,852 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:23:28,958 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:23:28,959 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:29,032 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:29,033 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:29,033 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:23:29,167 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:23:29,167 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:29,198 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:29,198 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:29,199 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:23:29,325 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:23:29,325 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:29,359 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:29,360 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:29,360 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:23:29,502 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:23:29,502 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:29,537 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:29,538 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:29,538 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:23:29,700 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:23:29,701 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:29,741 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:29,741 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:29,741 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:23:29,901 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:23:29,902 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:29,940 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:29,941 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:29,941 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:23:30,140 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:23:30,141 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:30,188 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:30,188 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:30,188 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:23:30,392 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:23:30,393 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:30,440 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:30,440 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:30,440 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:23:30,666 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:23:30,666 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:30,723 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:30,724 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:30,724 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:23:30,959 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:23:30,960 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:31,017 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:31,017 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:31,018 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:23:31,271 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:23:31,272 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:31,331 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:31,332 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:31,332 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:23:31,606 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:23:31,608 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:31,707 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:31,708 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:31,708 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:23:32,002 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:23:32,003 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:32,065 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:32,066 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:32,066 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:23:32,370 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:23:32,371 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:32,440 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:32,440 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:32,441 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:23:33,290 INFO L146 ILogger]: Checked inductivity of 1001 backedges. 0 proven. 1001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:23:33,291 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:23:33,291 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2019-05-23 09:23:33,291 INFO L146 ILogger]: Interpolant automaton has 57 states [2019-05-23 09:23:33,291 INFO L146 ILogger]: Constructing interpolant automaton starting with 57 interpolants. [2019-05-23 09:23:33,292 INFO L146 ILogger]: CoverageRelationStatistics Valid=138, Invalid=3054, Unknown=0, NotChecked=0, Total=3192 [2019-05-23 09:23:33,292 INFO L146 ILogger]: Start difference. First operand 84 states and 84 transitions. Second operand 57 states. [2019-05-23 09:23:36,801 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:23:36,801 INFO L146 ILogger]: Finished difference Result 91 states and 91 transitions. [2019-05-23 09:23:36,802 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2019-05-23 09:23:36,802 INFO L146 ILogger]: Start accepts. Automaton has 57 states. Word has length 83 [2019-05-23 09:23:36,802 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:23:36,803 INFO L146 ILogger]: With dead ends: 91 [2019-05-23 09:23:36,803 INFO L146 ILogger]: Without dead ends: 89 [2019-05-23 09:23:36,804 INFO L146 ILogger]: 0 DeclaredPredicates, 84 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 782 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=148, Invalid=3274, Unknown=0, NotChecked=0, Total=3422 [2019-05-23 09:23:36,804 INFO L146 ILogger]: Start minimizeSevpa. Operand 89 states. [2019-05-23 09:23:36,806 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 89 to 87. [2019-05-23 09:23:36,806 INFO L146 ILogger]: Start removeUnreachable. Operand 87 states. [2019-05-23 09:23:36,807 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 87 states to 87 states and 87 transitions. [2019-05-23 09:23:36,807 INFO L146 ILogger]: Start accepts. Automaton has 87 states and 87 transitions. Word has length 83 [2019-05-23 09:23:36,807 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:23:36,807 INFO L146 ILogger]: Abstraction has 87 states and 87 transitions. [2019-05-23 09:23:36,807 INFO L146 ILogger]: Interpolant automaton has 57 states. [2019-05-23 09:23:36,808 INFO L146 ILogger]: Start isEmpty. Operand 87 states and 87 transitions. [2019-05-23 09:23:36,808 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 87 [2019-05-23 09:23:36,808 INFO L146 ILogger]: Found error trace [2019-05-23 09:23:36,808 INFO L146 ILogger]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1] [2019-05-23 09:23:36,809 INFO L146 ILogger]: === Iteration 28 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:23:36,809 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:23:36,809 INFO L146 ILogger]: Analyzing trace with hash 1086688710, now seen corresponding path program 27 times [2019-05-23 09:23:36,810 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:23:37,025 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:23:37,041 WARN L146 ILogger]: Trace formula consists of 118 conjuncts, 86 conjunts are in the unsatisfiable core [2019-05-23 09:23:37,044 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:23:37,134 INFO L146 ILogger]: 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 [2019-05-23 09:23:37,135 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:37,203 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:37,203 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:37,204 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:23:37,466 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:23:37,466 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:37,557 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:37,558 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:37,558 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:23:37,582 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:23:37,582 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:37,589 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:37,589 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:37,590 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:23:37,614 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:23:37,614 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:37,623 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:37,623 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:37,623 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:23:37,689 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:23:37,690 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:37,714 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:37,714 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:37,715 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:23:37,832 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:23:37,833 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:37,854 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:37,854 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:37,854 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:23:37,929 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:23:37,930 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:37,943 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:37,944 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:37,944 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:23:37,999 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:23:37,999 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:38,014 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:38,015 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:38,015 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:23:38,078 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:23:38,079 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:38,097 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:38,098 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:38,098 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:23:38,171 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:23:38,172 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:38,191 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:38,191 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:38,191 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:23:38,313 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:23:38,314 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:38,337 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:38,337 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:38,338 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:23:38,432 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:23:38,433 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:38,760 WARN L146 ILogger]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2019-05-23 09:23:38,761 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:38,761 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:38,761 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:23:38,901 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:23:38,902 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:38,931 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:38,931 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:38,931 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:23:39,054 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:23:39,054 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:39,085 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:39,086 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:39,086 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:23:39,213 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:23:39,214 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:39,246 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:39,247 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:39,247 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:23:39,430 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:23:39,430 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:39,465 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:39,465 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:39,466 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:23:39,640 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:23:39,641 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:39,678 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:39,678 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:39,678 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:23:39,851 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:23:39,852 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:39,892 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:39,892 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:39,893 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:23:40,081 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:23:40,082 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:40,126 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:40,127 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:40,127 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:23:40,331 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:23:40,332 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:40,381 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:40,382 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:40,383 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:23:40,611 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:23:40,612 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:40,665 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:40,665 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:40,665 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:23:40,897 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:23:40,898 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:40,950 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:40,951 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:40,951 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:23:41,222 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:23:41,223 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:41,284 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:41,284 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:41,285 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:23:41,574 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:23:41,575 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:41,648 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:41,648 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:41,649 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:23:41,960 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:23:41,961 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:42,030 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:42,031 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:42,031 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:23:42,351 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:23:42,353 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:42,426 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:42,426 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:42,426 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:23:42,769 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-05-23 09:23:42,770 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:42,859 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:42,859 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:42,860 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-05-23 09:23:43,645 INFO L146 ILogger]: Checked inductivity of 1080 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:23:43,645 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:23:43,645 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2019-05-23 09:23:43,646 INFO L146 ILogger]: Interpolant automaton has 59 states [2019-05-23 09:23:43,646 INFO L146 ILogger]: Constructing interpolant automaton starting with 59 interpolants. [2019-05-23 09:23:43,646 INFO L146 ILogger]: CoverageRelationStatistics Valid=143, Invalid=3279, Unknown=0, NotChecked=0, Total=3422 [2019-05-23 09:23:43,646 INFO L146 ILogger]: Start difference. First operand 87 states and 87 transitions. Second operand 59 states. [2019-05-23 09:23:47,524 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:23:47,525 INFO L146 ILogger]: Finished difference Result 94 states and 94 transitions. [2019-05-23 09:23:47,525 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2019-05-23 09:23:47,525 INFO L146 ILogger]: Start accepts. Automaton has 59 states. Word has length 86 [2019-05-23 09:23:47,526 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:23:47,526 INFO L146 ILogger]: With dead ends: 94 [2019-05-23 09:23:47,527 INFO L146 ILogger]: Without dead ends: 92 [2019-05-23 09:23:47,527 INFO L146 ILogger]: 0 DeclaredPredicates, 87 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 839 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=153, Invalid=3507, Unknown=0, NotChecked=0, Total=3660 [2019-05-23 09:23:47,528 INFO L146 ILogger]: Start minimizeSevpa. Operand 92 states. [2019-05-23 09:23:47,529 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 92 to 90. [2019-05-23 09:23:47,529 INFO L146 ILogger]: Start removeUnreachable. Operand 90 states. [2019-05-23 09:23:47,529 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 90 states to 90 states and 90 transitions. [2019-05-23 09:23:47,530 INFO L146 ILogger]: Start accepts. Automaton has 90 states and 90 transitions. Word has length 86 [2019-05-23 09:23:47,530 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:23:47,530 INFO L146 ILogger]: Abstraction has 90 states and 90 transitions. [2019-05-23 09:23:47,530 INFO L146 ILogger]: Interpolant automaton has 59 states. [2019-05-23 09:23:47,530 INFO L146 ILogger]: Start isEmpty. Operand 90 states and 90 transitions. [2019-05-23 09:23:47,531 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 90 [2019-05-23 09:23:47,531 INFO L146 ILogger]: Found error trace [2019-05-23 09:23:47,531 INFO L146 ILogger]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1] [2019-05-23 09:23:47,531 INFO L146 ILogger]: === Iteration 29 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:23:47,531 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:23:47,531 INFO L146 ILogger]: Analyzing trace with hash -2038438520, now seen corresponding path program 28 times [2019-05-23 09:23:47,532 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:23:47,760 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:23:47,771 WARN L146 ILogger]: Trace formula consists of 122 conjuncts, 89 conjunts are in the unsatisfiable core [2019-05-23 09:23:47,773 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:23:47,860 INFO L146 ILogger]: 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 [2019-05-23 09:23:47,861 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:47,912 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:47,912 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:47,913 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:23:47,944 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:23:47,944 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:47,948 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:47,948 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:47,949 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:23:47,970 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:23:47,970 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:47,977 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:47,978 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:47,978 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:23:48,003 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:23:48,004 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:48,013 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:48,013 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:48,013 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:23:48,046 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:23:48,046 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:48,056 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:48,056 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:48,056 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:23:48,100 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:23:48,100 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:48,110 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:48,111 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:48,111 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:23:48,160 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:23:48,161 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:48,176 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:48,176 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:48,176 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:23:48,234 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:23:48,235 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:48,251 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:48,251 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:48,251 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:23:48,315 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:23:48,315 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:48,333 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:48,334 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:48,334 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:23:48,409 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:23:48,410 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:48,431 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:48,432 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:48,432 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:23:48,516 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:23:48,516 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:48,539 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:48,539 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:48,539 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:23:48,632 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:23:48,633 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:48,660 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:48,661 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:48,661 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:23:48,766 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:23:48,767 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:48,795 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:48,795 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:48,796 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:23:48,941 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:23:48,942 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:48,974 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:48,974 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:48,974 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:23:49,107 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:23:49,108 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:49,141 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:49,142 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:49,142 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:23:49,279 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:23:49,280 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:49,317 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:49,317 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:49,318 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:23:49,477 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:23:49,478 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:49,517 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:49,517 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:49,518 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:23:49,687 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:23:49,688 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:49,733 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:49,733 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:49,733 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:23:49,926 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:23:49,927 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:49,973 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:49,973 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:49,974 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:23:50,185 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:23:50,186 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:50,234 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:50,234 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:50,234 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:23:50,452 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:23:50,453 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:50,503 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:50,503 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:50,503 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:23:50,736 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:23:50,737 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:50,792 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:50,793 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:50,793 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:23:51,046 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:23:51,048 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:51,106 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:51,107 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:51,107 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:23:51,381 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:23:51,382 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:51,446 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:51,447 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:51,447 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:23:51,755 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:23:51,756 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:51,824 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:51,824 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:51,824 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:23:52,155 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:23:52,156 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:52,302 WARN L146 ILogger]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-05-23 09:23:52,302 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:52,302 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:52,303 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:23:52,640 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-05-23 09:23:52,642 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:52,722 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:52,722 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:52,723 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-05-23 09:23:53,102 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-05-23 09:23:53,103 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:53,204 WARN L146 ILogger]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-05-23 09:23:53,205 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:53,205 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:53,205 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-05-23 09:23:54,048 INFO L146 ILogger]: Checked inductivity of 1162 backedges. 0 proven. 1162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:23:54,049 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:23:54,049 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2019-05-23 09:23:54,049 INFO L146 ILogger]: Interpolant automaton has 61 states [2019-05-23 09:23:54,050 INFO L146 ILogger]: Constructing interpolant automaton starting with 61 interpolants. [2019-05-23 09:23:54,050 INFO L146 ILogger]: CoverageRelationStatistics Valid=148, Invalid=3512, Unknown=0, NotChecked=0, Total=3660 [2019-05-23 09:23:54,050 INFO L146 ILogger]: Start difference. First operand 90 states and 90 transitions. Second operand 61 states. [2019-05-23 09:23:58,288 WARN L146 ILogger]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-05-23 09:23:58,348 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:23:58,349 INFO L146 ILogger]: Finished difference Result 97 states and 97 transitions. [2019-05-23 09:23:58,349 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2019-05-23 09:23:58,349 INFO L146 ILogger]: Start accepts. Automaton has 61 states. Word has length 89 [2019-05-23 09:23:58,350 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:23:58,350 INFO L146 ILogger]: With dead ends: 97 [2019-05-23 09:23:58,350 INFO L146 ILogger]: Without dead ends: 95 [2019-05-23 09:23:58,351 INFO L146 ILogger]: 0 DeclaredPredicates, 90 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 898 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=158, Invalid=3748, Unknown=0, NotChecked=0, Total=3906 [2019-05-23 09:23:58,352 INFO L146 ILogger]: Start minimizeSevpa. Operand 95 states. [2019-05-23 09:23:58,354 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 95 to 93. [2019-05-23 09:23:58,354 INFO L146 ILogger]: Start removeUnreachable. Operand 93 states. [2019-05-23 09:23:58,354 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2019-05-23 09:23:58,355 INFO L146 ILogger]: Start accepts. Automaton has 93 states and 93 transitions. Word has length 89 [2019-05-23 09:23:58,355 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:23:58,355 INFO L146 ILogger]: Abstraction has 93 states and 93 transitions. [2019-05-23 09:23:58,355 INFO L146 ILogger]: Interpolant automaton has 61 states. [2019-05-23 09:23:58,355 INFO L146 ILogger]: Start isEmpty. Operand 93 states and 93 transitions. [2019-05-23 09:23:58,355 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 93 [2019-05-23 09:23:58,356 INFO L146 ILogger]: Found error trace [2019-05-23 09:23:58,356 INFO L146 ILogger]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1] [2019-05-23 09:23:58,356 INFO L146 ILogger]: === Iteration 30 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:23:58,356 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:23:58,356 INFO L146 ILogger]: Analyzing trace with hash -697672058, now seen corresponding path program 29 times [2019-05-23 09:23:58,357 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:23:58,626 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:23:58,643 WARN L146 ILogger]: Trace formula consists of 126 conjuncts, 92 conjunts are in the unsatisfiable core [2019-05-23 09:23:58,648 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:23:58,731 INFO L146 ILogger]: 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 [2019-05-23 09:23:58,732 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:58,805 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:58,805 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:58,806 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:23:59,051 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:23:59,051 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:59,055 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:59,056 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:59,056 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:23:59,075 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:23:59,075 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:59,082 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:59,083 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:59,083 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:23:59,107 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:23:59,108 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:59,116 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:59,117 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:59,117 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:23:59,150 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:23:59,151 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:59,161 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:59,162 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:59,162 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:23:59,202 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:23:59,202 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:59,215 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:59,215 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:59,216 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:23:59,266 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:23:59,267 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:59,279 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:59,280 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:59,280 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:23:59,337 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:23:59,338 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:59,354 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:59,355 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:59,355 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:23:59,417 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:23:59,418 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:59,435 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:59,436 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:59,436 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:23:59,510 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:23:59,510 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:59,531 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:59,532 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:59,532 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:23:59,614 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:23:59,614 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:59,636 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:59,636 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:59,637 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:23:59,732 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:23:59,733 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:59,758 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:59,759 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:59,759 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:23:59,860 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:23:59,861 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:23:59,889 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:23:59,890 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:23:59,890 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:24:00,006 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:24:00,007 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:00,200 WARN L146 ILogger]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-05-23 09:24:00,201 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:00,201 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:00,201 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:24:00,342 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:24:00,343 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:00,376 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:00,376 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:00,376 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:24:00,544 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:24:00,545 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:00,579 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:00,580 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:00,580 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:24:00,739 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:24:00,740 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:00,779 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:00,779 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:00,779 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:24:00,950 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:24:00,950 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:00,990 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:00,990 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:00,990 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:24:01,172 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:24:01,173 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:01,215 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:01,215 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:01,215 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:24:01,408 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:24:01,409 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:01,457 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:01,458 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:01,458 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:24:01,701 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:24:01,702 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:01,784 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:01,785 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:01,785 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:24:02,026 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:24:02,027 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:02,084 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:02,084 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:02,085 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:24:02,350 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:24:02,351 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:02,409 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:02,410 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:02,410 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:24:02,678 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:24:02,680 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:02,740 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:02,740 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:02,741 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:24:03,034 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:24:03,035 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:03,100 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:03,100 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:03,100 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:24:03,598 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:24:03,598 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:03,673 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:03,673 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:03,674 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:24:04,026 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-05-23 09:24:04,027 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:04,093 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:04,093 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:04,093 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-05-23 09:24:04,490 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-05-23 09:24:04,491 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:04,569 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:04,570 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:04,570 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-05-23 09:24:04,953 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-05-23 09:24:04,954 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:05,037 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:05,038 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:05,038 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-05-23 09:24:05,957 INFO L146 ILogger]: Checked inductivity of 1247 backedges. 0 proven. 1247 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:24:05,957 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:24:05,957 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2019-05-23 09:24:05,958 INFO L146 ILogger]: Interpolant automaton has 63 states [2019-05-23 09:24:05,958 INFO L146 ILogger]: Constructing interpolant automaton starting with 63 interpolants. [2019-05-23 09:24:05,958 INFO L146 ILogger]: CoverageRelationStatistics Valid=153, Invalid=3753, Unknown=0, NotChecked=0, Total=3906 [2019-05-23 09:24:05,958 INFO L146 ILogger]: Start difference. First operand 93 states and 93 transitions. Second operand 63 states. [2019-05-23 09:24:10,589 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:24:10,589 INFO L146 ILogger]: Finished difference Result 100 states and 100 transitions. [2019-05-23 09:24:10,590 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2019-05-23 09:24:10,590 INFO L146 ILogger]: Start accepts. Automaton has 63 states. Word has length 92 [2019-05-23 09:24:10,591 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:24:10,591 INFO L146 ILogger]: With dead ends: 100 [2019-05-23 09:24:10,591 INFO L146 ILogger]: Without dead ends: 98 [2019-05-23 09:24:10,592 INFO L146 ILogger]: 0 DeclaredPredicates, 93 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 959 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=163, Invalid=3997, Unknown=0, NotChecked=0, Total=4160 [2019-05-23 09:24:10,592 INFO L146 ILogger]: Start minimizeSevpa. Operand 98 states. [2019-05-23 09:24:10,593 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 98 to 96. [2019-05-23 09:24:10,593 INFO L146 ILogger]: Start removeUnreachable. Operand 96 states. [2019-05-23 09:24:10,594 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 96 states to 96 states and 96 transitions. [2019-05-23 09:24:10,594 INFO L146 ILogger]: Start accepts. Automaton has 96 states and 96 transitions. Word has length 92 [2019-05-23 09:24:10,594 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:24:10,594 INFO L146 ILogger]: Abstraction has 96 states and 96 transitions. [2019-05-23 09:24:10,594 INFO L146 ILogger]: Interpolant automaton has 63 states. [2019-05-23 09:24:10,594 INFO L146 ILogger]: Start isEmpty. Operand 96 states and 96 transitions. [2019-05-23 09:24:10,595 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 96 [2019-05-23 09:24:10,595 INFO L146 ILogger]: Found error trace [2019-05-23 09:24:10,595 INFO L146 ILogger]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1] [2019-05-23 09:24:10,595 INFO L146 ILogger]: === Iteration 31 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:24:10,596 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:24:10,596 INFO L146 ILogger]: Analyzing trace with hash -1119855416, now seen corresponding path program 30 times [2019-05-23 09:24:10,596 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:24:10,891 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:24:10,904 WARN L146 ILogger]: Trace formula consists of 130 conjuncts, 95 conjunts are in the unsatisfiable core [2019-05-23 09:24:10,906 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:24:10,999 INFO L146 ILogger]: 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 [2019-05-23 09:24:10,999 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:11,062 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:11,062 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:11,063 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:24:11,328 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:24:11,328 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:11,410 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:11,410 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:11,410 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:24:11,432 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:24:11,432 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:11,459 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:11,460 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:11,460 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:24:11,487 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:24:11,487 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:11,496 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:11,497 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:11,497 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:24:11,526 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:24:11,527 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:11,537 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:11,537 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:11,538 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:24:11,575 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:24:11,575 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:11,608 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:11,609 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:11,609 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:24:11,657 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:24:11,657 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:11,672 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:11,672 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:11,672 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:24:11,726 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:24:11,726 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:11,742 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:11,742 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:11,742 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:24:11,804 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:24:11,804 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:11,823 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:11,823 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:11,823 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:24:11,895 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:24:11,896 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:11,915 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:11,915 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:11,916 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:24:11,998 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:24:11,999 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:12,022 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:12,022 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:12,023 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:24:12,118 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:24:12,119 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:12,144 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:12,144 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:12,144 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:24:12,248 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:24:12,249 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:12,276 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:12,276 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:12,277 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:24:12,442 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:24:12,442 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:12,472 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:12,472 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:12,473 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:24:12,600 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:24:12,601 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:12,633 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:12,633 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:12,634 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:24:12,772 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:24:12,772 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:12,806 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:12,807 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:12,807 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:24:12,965 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:24:12,966 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:12,999 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:13,000 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:13,000 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:24:13,173 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:24:13,174 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:13,216 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:13,216 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:13,216 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:24:13,398 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:24:13,399 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:13,443 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:13,443 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:13,443 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:24:13,793 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:24:13,794 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:13,878 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:13,878 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:13,879 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:24:14,099 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:24:14,100 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:14,153 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:14,154 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:14,154 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:24:14,429 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:24:14,430 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:14,488 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:14,489 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:14,489 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:24:14,759 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:24:14,760 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:14,815 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:14,816 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:14,816 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:24:15,103 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:24:15,104 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:15,169 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:15,169 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:15,169 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:24:15,485 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:24:15,486 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:15,553 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:15,554 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:15,554 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:24:15,900 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:24:15,901 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:15,984 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:15,984 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:15,985 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:24:16,322 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-05-23 09:24:16,322 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:16,396 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:16,396 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:16,396 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-05-23 09:24:16,751 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-05-23 09:24:16,752 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:16,830 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:16,830 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:16,831 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-05-23 09:24:17,207 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-05-23 09:24:17,208 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:17,287 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:17,287 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:17,287 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-05-23 09:24:17,674 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-05-23 09:24:17,675 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:17,759 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:17,760 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:17,760 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-05-23 09:24:18,705 INFO L146 ILogger]: Checked inductivity of 1335 backedges. 0 proven. 1335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:24:18,706 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:24:18,706 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2019-05-23 09:24:18,706 INFO L146 ILogger]: Interpolant automaton has 65 states [2019-05-23 09:24:18,706 INFO L146 ILogger]: Constructing interpolant automaton starting with 65 interpolants. [2019-05-23 09:24:18,707 INFO L146 ILogger]: CoverageRelationStatistics Valid=158, Invalid=4002, Unknown=0, NotChecked=0, Total=4160 [2019-05-23 09:24:18,707 INFO L146 ILogger]: Start difference. First operand 96 states and 96 transitions. Second operand 65 states. [2019-05-23 09:24:23,710 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:24:23,711 INFO L146 ILogger]: Finished difference Result 103 states and 103 transitions. [2019-05-23 09:24:23,712 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2019-05-23 09:24:23,712 INFO L146 ILogger]: Start accepts. Automaton has 65 states. Word has length 95 [2019-05-23 09:24:23,713 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:24:23,714 INFO L146 ILogger]: With dead ends: 103 [2019-05-23 09:24:23,714 INFO L146 ILogger]: Without dead ends: 101 [2019-05-23 09:24:23,715 INFO L146 ILogger]: 0 DeclaredPredicates, 96 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1022 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=168, Invalid=4254, Unknown=0, NotChecked=0, Total=4422 [2019-05-23 09:24:23,715 INFO L146 ILogger]: Start minimizeSevpa. Operand 101 states. [2019-05-23 09:24:23,716 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 101 to 99. [2019-05-23 09:24:23,716 INFO L146 ILogger]: Start removeUnreachable. Operand 99 states. [2019-05-23 09:24:23,716 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2019-05-23 09:24:23,716 INFO L146 ILogger]: Start accepts. Automaton has 99 states and 99 transitions. Word has length 95 [2019-05-23 09:24:23,716 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:24:23,717 INFO L146 ILogger]: Abstraction has 99 states and 99 transitions. [2019-05-23 09:24:23,717 INFO L146 ILogger]: Interpolant automaton has 65 states. [2019-05-23 09:24:23,717 INFO L146 ILogger]: Start isEmpty. Operand 99 states and 99 transitions. [2019-05-23 09:24:23,717 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 99 [2019-05-23 09:24:23,717 INFO L146 ILogger]: Found error trace [2019-05-23 09:24:23,717 INFO L146 ILogger]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1] [2019-05-23 09:24:23,717 INFO L146 ILogger]: === Iteration 32 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:24:23,718 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:24:23,718 INFO L146 ILogger]: Analyzing trace with hash 1574936390, now seen corresponding path program 31 times [2019-05-23 09:24:23,718 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:24:24,012 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:24:24,025 WARN L146 ILogger]: Trace formula consists of 134 conjuncts, 98 conjunts are in the unsatisfiable core [2019-05-23 09:24:24,029 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:24:24,117 INFO L146 ILogger]: 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 [2019-05-23 09:24:24,118 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:24,192 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:24,192 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:24,193 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:24:24,472 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:24:24,472 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:24,574 WARN L146 ILogger]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-05-23 09:24:24,574 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:24,575 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:24,575 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:24:24,767 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:24:24,767 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:24,774 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:24,775 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:24,775 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:24:24,799 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:24:24,800 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:24,813 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:24,813 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:24,814 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:24:24,847 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:24:24,847 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:24,858 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:24,858 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:24,858 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:24:24,900 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:24:24,901 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:24,913 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:24,914 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:24,914 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:24:24,961 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:24:24,961 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:24,975 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:24,976 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:24,976 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:24:25,044 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:24:25,044 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:25,061 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:25,061 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:25,062 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:24:25,162 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:24:25,163 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:25,182 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:25,182 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:25,183 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:24:25,276 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:24:25,277 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:25,296 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:25,296 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:25,297 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:24:25,382 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:24:25,383 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:25,405 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:25,405 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:25,405 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:24:25,501 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:24:25,501 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:25,528 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:25,528 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:25,528 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:24:25,642 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:24:25,642 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:25,670 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:25,670 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:25,670 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:24:25,780 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:24:25,781 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:25,812 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:25,812 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:25,813 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:24:25,943 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:24:25,944 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:25,976 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:25,977 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:25,977 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:24:26,123 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:24:26,123 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:26,158 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:26,159 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:26,159 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:24:26,316 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:24:26,317 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:26,358 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:26,358 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:26,359 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:24:26,529 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:24:26,530 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:26,569 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:26,570 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:26,570 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:24:26,762 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:24:26,764 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:26,830 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:26,830 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:26,830 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:24:27,036 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:24:27,037 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:27,084 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:27,085 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:27,085 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:24:27,313 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:24:27,314 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:27,365 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:27,366 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:27,366 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:24:27,612 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:24:27,613 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:27,665 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:27,665 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:27,666 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:24:27,916 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:24:27,917 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:27,973 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:27,974 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:27,974 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:24:28,247 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:24:28,248 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:28,311 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:28,311 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:28,312 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:24:28,625 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:24:28,627 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:28,709 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:28,710 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:28,710 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:24:29,064 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:24:29,065 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:29,151 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:29,151 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:29,151 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:24:29,508 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-05-23 09:24:29,509 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:29,580 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:29,581 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:29,581 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-05-23 09:24:29,945 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-05-23 09:24:29,946 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:30,020 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:30,020 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:30,020 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-05-23 09:24:30,425 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-05-23 09:24:30,426 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:30,605 WARN L146 ILogger]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-05-23 09:24:30,605 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:30,605 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:30,606 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-05-23 09:24:31,005 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-05-23 09:24:31,006 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:31,087 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:31,088 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:31,088 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-05-23 09:24:31,509 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-05-23 09:24:31,510 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:31,596 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:31,596 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:31,596 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-05-23 09:24:32,612 INFO L146 ILogger]: Checked inductivity of 1426 backedges. 0 proven. 1426 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:24:32,612 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:24:32,612 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2019-05-23 09:24:32,613 INFO L146 ILogger]: Interpolant automaton has 67 states [2019-05-23 09:24:32,613 INFO L146 ILogger]: Constructing interpolant automaton starting with 67 interpolants. [2019-05-23 09:24:32,614 INFO L146 ILogger]: CoverageRelationStatistics Valid=163, Invalid=4259, Unknown=0, NotChecked=0, Total=4422 [2019-05-23 09:24:32,614 INFO L146 ILogger]: Start difference. First operand 99 states and 99 transitions. Second operand 67 states. [2019-05-23 09:24:37,871 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:24:37,871 INFO L146 ILogger]: Finished difference Result 106 states and 106 transitions. [2019-05-23 09:24:37,871 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2019-05-23 09:24:37,872 INFO L146 ILogger]: Start accepts. Automaton has 67 states. Word has length 98 [2019-05-23 09:24:37,872 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:24:37,873 INFO L146 ILogger]: With dead ends: 106 [2019-05-23 09:24:37,873 INFO L146 ILogger]: Without dead ends: 104 [2019-05-23 09:24:37,876 INFO L146 ILogger]: 0 DeclaredPredicates, 99 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1087 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=173, Invalid=4519, Unknown=0, NotChecked=0, Total=4692 [2019-05-23 09:24:37,876 INFO L146 ILogger]: Start minimizeSevpa. Operand 104 states. [2019-05-23 09:24:37,878 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 104 to 102. [2019-05-23 09:24:37,878 INFO L146 ILogger]: Start removeUnreachable. Operand 102 states. [2019-05-23 09:24:37,878 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 102 states to 102 states and 102 transitions. [2019-05-23 09:24:37,879 INFO L146 ILogger]: Start accepts. Automaton has 102 states and 102 transitions. Word has length 98 [2019-05-23 09:24:37,880 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:24:37,881 INFO L146 ILogger]: Abstraction has 102 states and 102 transitions. [2019-05-23 09:24:37,881 INFO L146 ILogger]: Interpolant automaton has 67 states. [2019-05-23 09:24:37,881 INFO L146 ILogger]: Start isEmpty. Operand 102 states and 102 transitions. [2019-05-23 09:24:37,881 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 102 [2019-05-23 09:24:37,882 INFO L146 ILogger]: Found error trace [2019-05-23 09:24:37,882 INFO L146 ILogger]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1] [2019-05-23 09:24:37,882 INFO L146 ILogger]: === Iteration 33 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:24:37,882 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:24:37,882 INFO L146 ILogger]: Analyzing trace with hash 588932104, now seen corresponding path program 32 times [2019-05-23 09:24:37,883 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:24:38,232 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:24:38,245 WARN L146 ILogger]: Trace formula consists of 138 conjuncts, 101 conjunts are in the unsatisfiable core [2019-05-23 09:24:38,248 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:24:38,334 INFO L146 ILogger]: 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 [2019-05-23 09:24:38,335 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:38,408 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:38,408 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:38,409 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:24:38,559 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:24:38,559 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:38,564 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:38,564 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:38,565 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:24:38,583 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:24:38,583 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:38,591 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:38,591 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:38,591 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:24:38,617 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:24:38,617 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:38,626 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:38,626 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:38,626 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:24:38,658 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:24:38,659 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:38,668 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:38,669 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:38,669 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:24:38,708 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:24:38,708 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:38,720 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:38,720 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:38,720 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:24:38,788 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:24:38,788 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:38,802 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:38,803 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:38,803 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:24:38,860 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:24:38,860 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:38,876 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:38,877 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:38,877 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:24:38,940 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:24:38,941 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:38,960 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:38,960 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:38,960 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:24:39,033 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:24:39,033 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:39,084 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:39,084 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:39,084 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:24:39,270 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:24:39,270 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:39,306 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:39,307 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:39,307 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:24:39,444 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:24:39,444 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:39,481 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:39,481 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:39,481 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:24:39,610 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:24:39,611 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:39,638 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:39,638 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:39,638 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:24:39,759 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:24:39,760 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:39,791 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:39,792 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:39,792 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:24:39,932 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:24:39,932 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:39,965 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:39,966 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:39,966 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:24:40,111 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:24:40,111 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:40,145 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:40,146 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:40,146 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:24:40,310 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:24:40,310 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:40,350 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:40,350 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:40,351 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:24:40,512 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:24:40,513 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:40,551 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:40,551 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:40,551 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:24:40,732 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:24:40,734 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:40,776 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:40,776 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:40,776 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:24:40,981 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:24:40,982 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:41,030 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:41,031 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:41,031 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:24:41,255 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:24:41,256 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:41,306 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:41,306 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:41,306 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:24:41,544 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:24:41,545 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:41,601 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:41,602 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:41,602 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:24:41,867 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:24:41,868 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:41,925 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:41,925 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:41,925 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:24:42,198 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:24:42,199 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:42,261 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:42,262 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:42,262 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:24:42,555 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:24:42,556 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:42,621 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:42,621 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:42,622 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:24:42,931 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:24:42,931 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:43,000 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:43,000 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:43,000 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:24:43,334 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-05-23 09:24:43,334 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:43,407 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:43,408 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:43,408 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-05-23 09:24:43,760 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-05-23 09:24:43,761 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:43,838 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:43,838 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:43,838 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-05-23 09:24:44,242 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-05-23 09:24:44,243 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:44,343 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:44,343 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:44,344 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-05-23 09:24:44,794 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-05-23 09:24:44,795 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:44,907 WARN L146 ILogger]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-05-23 09:24:44,907 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:44,908 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:44,908 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-05-23 09:24:45,331 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-05-23 09:24:45,331 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:45,425 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:45,426 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:45,426 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-05-23 09:24:45,678 WARN L146 ILogger]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-05-23 09:24:45,906 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-05-23 09:24:45,908 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:46,020 WARN L146 ILogger]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-05-23 09:24:46,021 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:46,021 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:46,022 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-05-23 09:24:47,089 INFO L146 ILogger]: Checked inductivity of 1520 backedges. 0 proven. 1520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:24:47,089 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:24:47,089 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2019-05-23 09:24:47,089 INFO L146 ILogger]: Interpolant automaton has 69 states [2019-05-23 09:24:47,090 INFO L146 ILogger]: Constructing interpolant automaton starting with 69 interpolants. [2019-05-23 09:24:47,090 INFO L146 ILogger]: CoverageRelationStatistics Valid=168, Invalid=4524, Unknown=0, NotChecked=0, Total=4692 [2019-05-23 09:24:47,091 INFO L146 ILogger]: Start difference. First operand 102 states and 102 transitions. Second operand 69 states. [2019-05-23 09:24:52,646 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:24:52,647 INFO L146 ILogger]: Finished difference Result 109 states and 109 transitions. [2019-05-23 09:24:52,647 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2019-05-23 09:24:52,647 INFO L146 ILogger]: Start accepts. Automaton has 69 states. Word has length 101 [2019-05-23 09:24:52,648 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:24:52,648 INFO L146 ILogger]: With dead ends: 109 [2019-05-23 09:24:52,648 INFO L146 ILogger]: Without dead ends: 107 [2019-05-23 09:24:52,649 INFO L146 ILogger]: 0 DeclaredPredicates, 102 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1154 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=178, Invalid=4792, Unknown=0, NotChecked=0, Total=4970 [2019-05-23 09:24:52,650 INFO L146 ILogger]: Start minimizeSevpa. Operand 107 states. [2019-05-23 09:24:52,651 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 107 to 105. [2019-05-23 09:24:52,651 INFO L146 ILogger]: Start removeUnreachable. Operand 105 states. [2019-05-23 09:24:52,652 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 105 states to 105 states and 105 transitions. [2019-05-23 09:24:52,652 INFO L146 ILogger]: Start accepts. Automaton has 105 states and 105 transitions. Word has length 101 [2019-05-23 09:24:52,652 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:24:52,652 INFO L146 ILogger]: Abstraction has 105 states and 105 transitions. [2019-05-23 09:24:52,653 INFO L146 ILogger]: Interpolant automaton has 69 states. [2019-05-23 09:24:52,653 INFO L146 ILogger]: Start isEmpty. Operand 105 states and 105 transitions. [2019-05-23 09:24:52,653 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 105 [2019-05-23 09:24:52,653 INFO L146 ILogger]: Found error trace [2019-05-23 09:24:52,653 INFO L146 ILogger]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1] [2019-05-23 09:24:52,654 INFO L146 ILogger]: === Iteration 34 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:24:52,654 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:24:52,654 INFO L146 ILogger]: Analyzing trace with hash -183414778, now seen corresponding path program 33 times [2019-05-23 09:24:52,654 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:24:53,069 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:24:53,087 WARN L146 ILogger]: Trace formula consists of 142 conjuncts, 104 conjunts are in the unsatisfiable core [2019-05-23 09:24:53,088 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:24:53,184 INFO L146 ILogger]: 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 [2019-05-23 09:24:53,184 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:53,247 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:53,248 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:53,248 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:24:53,504 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:24:53,504 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:53,512 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:53,512 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:53,512 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:24:53,531 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:24:53,532 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:53,637 WARN L146 ILogger]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-05-23 09:24:53,638 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:53,638 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:53,638 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:24:53,663 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:24:53,663 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:53,672 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:53,672 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:53,672 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:24:53,706 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:24:53,706 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:53,717 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:53,718 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:53,718 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:24:53,756 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:24:53,756 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:53,768 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:53,768 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:53,769 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:24:53,817 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:24:53,818 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:53,832 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:53,832 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:53,832 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:24:53,887 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:24:53,888 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:53,903 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:53,904 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:53,904 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:24:53,967 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:24:53,968 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:53,986 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:53,987 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:53,987 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:24:54,061 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:24:54,062 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:54,082 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:54,082 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:54,082 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:24:54,165 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:24:54,166 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:54,198 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:54,198 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:54,198 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:24:54,308 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:24:54,309 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:54,335 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:54,335 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:54,335 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:24:54,449 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:24:54,450 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:54,487 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:54,487 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:54,487 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:24:54,665 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:24:54,665 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:54,704 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:54,704 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:54,705 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:24:54,928 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:24:54,929 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:54,961 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:54,962 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:54,962 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:24:55,107 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:24:55,108 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:55,143 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:55,144 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:55,144 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:24:55,306 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:24:55,306 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:55,344 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:55,345 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:55,345 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:24:55,524 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:24:55,524 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:55,568 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:55,568 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:55,568 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:24:55,782 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:24:55,783 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:55,831 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:55,831 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:55,831 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:24:56,032 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:24:56,033 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:56,083 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:56,084 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:56,084 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:24:56,315 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:24:56,316 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:56,368 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:56,369 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:56,369 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:24:56,608 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:24:56,609 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:56,667 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:56,668 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:56,668 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:24:56,933 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:24:56,934 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:56,993 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:56,994 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:56,994 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:24:57,277 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:24:57,278 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:57,343 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:57,343 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:57,344 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:24:57,645 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:24:57,646 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:57,713 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:57,714 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:57,714 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:24:58,037 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:24:58,038 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:58,106 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:58,107 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:58,107 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:24:58,440 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-05-23 09:24:58,441 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:58,512 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:58,513 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:58,513 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-05-23 09:24:58,868 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-05-23 09:24:58,869 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:58,947 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:58,948 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:58,948 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-05-23 09:24:59,323 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-05-23 09:24:59,324 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:24:59,421 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:24:59,422 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:24:59,422 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-05-23 09:24:59,656 WARN L146 ILogger]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-05-23 09:24:59,898 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-05-23 09:24:59,899 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:00,006 WARN L146 ILogger]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-05-23 09:25:00,007 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:00,007 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:00,007 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-05-23 09:25:00,447 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-05-23 09:25:00,448 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:00,534 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:00,535 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:00,535 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-05-23 09:25:00,976 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-05-23 09:25:00,976 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:01,067 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:01,067 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:01,068 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-05-23 09:25:01,535 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-05-23 09:25:01,537 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:01,634 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:01,635 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:01,635 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-05-23 09:25:01,874 WARN L146 ILogger]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-05-23 09:25:02,368 WARN L146 ILogger]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-05-23 09:25:02,653 WARN L146 ILogger]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-05-23 09:25:02,827 INFO L146 ILogger]: Checked inductivity of 1617 backedges. 0 proven. 1617 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:25:02,827 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:25:02,827 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2019-05-23 09:25:02,827 INFO L146 ILogger]: Interpolant automaton has 71 states [2019-05-23 09:25:02,828 INFO L146 ILogger]: Constructing interpolant automaton starting with 71 interpolants. [2019-05-23 09:25:02,828 INFO L146 ILogger]: CoverageRelationStatistics Valid=173, Invalid=4797, Unknown=0, NotChecked=0, Total=4970 [2019-05-23 09:25:02,828 INFO L146 ILogger]: Start difference. First operand 105 states and 105 transitions. Second operand 71 states. [2019-05-23 09:25:08,612 WARN L146 ILogger]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:25:08,931 WARN L146 ILogger]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:25:08,983 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:25:08,983 INFO L146 ILogger]: Finished difference Result 112 states and 112 transitions. [2019-05-23 09:25:08,984 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2019-05-23 09:25:08,984 INFO L146 ILogger]: Start accepts. Automaton has 71 states. Word has length 104 [2019-05-23 09:25:08,984 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:25:08,985 INFO L146 ILogger]: With dead ends: 112 [2019-05-23 09:25:08,985 INFO L146 ILogger]: Without dead ends: 110 [2019-05-23 09:25:08,986 INFO L146 ILogger]: 0 DeclaredPredicates, 105 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1223 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=183, Invalid=5073, Unknown=0, NotChecked=0, Total=5256 [2019-05-23 09:25:08,986 INFO L146 ILogger]: Start minimizeSevpa. Operand 110 states. [2019-05-23 09:25:08,987 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 110 to 108. [2019-05-23 09:25:08,987 INFO L146 ILogger]: Start removeUnreachable. Operand 108 states. [2019-05-23 09:25:08,988 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 108 states to 108 states and 108 transitions. [2019-05-23 09:25:08,988 INFO L146 ILogger]: Start accepts. Automaton has 108 states and 108 transitions. Word has length 104 [2019-05-23 09:25:08,988 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:25:08,988 INFO L146 ILogger]: Abstraction has 108 states and 108 transitions. [2019-05-23 09:25:08,988 INFO L146 ILogger]: Interpolant automaton has 71 states. [2019-05-23 09:25:08,988 INFO L146 ILogger]: Start isEmpty. Operand 108 states and 108 transitions. [2019-05-23 09:25:08,988 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 108 [2019-05-23 09:25:08,989 INFO L146 ILogger]: Found error trace [2019-05-23 09:25:08,989 INFO L146 ILogger]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1] [2019-05-23 09:25:08,989 INFO L146 ILogger]: === Iteration 35 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:25:08,989 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:25:08,989 INFO L146 ILogger]: Analyzing trace with hash -1029571768, now seen corresponding path program 34 times [2019-05-23 09:25:08,990 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:25:09,401 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:25:09,424 WARN L146 ILogger]: Trace formula consists of 146 conjuncts, 107 conjunts are in the unsatisfiable core [2019-05-23 09:25:09,426 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:25:09,516 INFO L146 ILogger]: 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 [2019-05-23 09:25:09,517 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:09,572 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:09,572 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:09,572 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:25:09,667 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:25:09,668 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:09,673 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:09,674 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:09,674 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:25:09,694 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:25:09,694 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:09,702 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:09,702 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:09,702 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:25:09,728 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:25:09,729 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:09,737 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:09,737 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:09,737 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:25:09,769 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:25:09,770 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:09,781 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:09,781 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:09,782 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:25:09,885 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:25:09,886 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:09,904 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:09,904 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:09,904 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:25:10,001 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:25:10,001 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:10,032 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:10,032 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:10,032 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:25:10,124 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:25:10,125 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:10,151 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:10,151 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:10,151 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:25:10,244 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:25:10,244 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:10,263 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:10,263 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:10,263 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:25:10,338 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:25:10,339 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:10,358 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:10,359 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:10,359 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:25:10,438 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:25:10,439 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:10,461 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:10,462 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:10,462 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:25:10,556 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:25:10,556 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:10,581 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:10,581 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:10,582 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:25:10,681 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:25:10,681 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:10,708 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:10,708 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:10,708 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:25:10,827 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:25:10,828 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:10,858 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:10,859 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:10,859 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:25:10,992 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:25:10,993 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:11,028 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:11,029 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:11,029 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:25:11,172 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:25:11,172 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:11,209 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:11,210 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:11,210 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:25:11,357 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:25:11,358 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:11,397 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:11,397 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:11,397 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:25:11,574 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:25:11,575 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:11,617 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:11,618 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:11,618 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:25:11,803 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:25:11,804 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:11,870 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:11,871 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:11,871 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:25:12,074 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:25:12,075 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:12,121 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:12,121 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:12,121 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:25:12,364 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:25:12,365 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:12,416 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:12,417 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:12,417 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:25:12,648 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:25:12,649 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:12,705 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:12,705 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:12,705 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:25:13,015 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:25:13,017 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:13,313 WARN L146 ILogger]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-05-23 09:25:13,313 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:13,314 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:13,314 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:25:13,586 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:25:13,587 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:13,650 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:13,651 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:13,651 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:25:13,946 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:25:13,946 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:14,014 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:14,014 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:14,014 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:25:14,331 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:25:14,332 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:14,418 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:14,418 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:14,418 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:25:14,749 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-05-23 09:25:14,749 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:14,821 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:14,821 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:14,821 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-05-23 09:25:15,240 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-05-23 09:25:15,241 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:15,339 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:15,340 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:15,340 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-05-23 09:25:15,710 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-05-23 09:25:15,711 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:15,796 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:15,796 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:15,797 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-05-23 09:25:16,190 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-05-23 09:25:16,191 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:16,272 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:16,273 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:16,273 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-05-23 09:25:16,691 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-05-23 09:25:16,693 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:16,782 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:16,783 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:16,783 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-05-23 09:25:17,224 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-05-23 09:25:17,225 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:17,318 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:17,319 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:17,319 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-05-23 09:25:17,783 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-05-23 09:25:17,784 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:17,881 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:17,881 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:17,882 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-05-23 09:25:18,381 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-05-23 09:25:18,383 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:18,494 WARN L146 ILogger]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:25:18,495 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:18,495 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:18,496 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-05-23 09:25:19,498 WARN L146 ILogger]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-05-23 09:25:19,674 INFO L146 ILogger]: Checked inductivity of 1717 backedges. 0 proven. 1717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:25:19,675 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:25:19,675 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2019-05-23 09:25:19,675 INFO L146 ILogger]: Interpolant automaton has 73 states [2019-05-23 09:25:19,675 INFO L146 ILogger]: Constructing interpolant automaton starting with 73 interpolants. [2019-05-23 09:25:19,675 INFO L146 ILogger]: CoverageRelationStatistics Valid=178, Invalid=5078, Unknown=0, NotChecked=0, Total=5256 [2019-05-23 09:25:19,676 INFO L146 ILogger]: Start difference. First operand 108 states and 108 transitions. Second operand 73 states. [2019-05-23 09:25:25,718 WARN L146 ILogger]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:25:26,023 WARN L146 ILogger]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:25:26,078 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:25:26,078 INFO L146 ILogger]: Finished difference Result 115 states and 115 transitions. [2019-05-23 09:25:26,079 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2019-05-23 09:25:26,079 INFO L146 ILogger]: Start accepts. Automaton has 73 states. Word has length 107 [2019-05-23 09:25:26,079 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:25:26,080 INFO L146 ILogger]: With dead ends: 115 [2019-05-23 09:25:26,080 INFO L146 ILogger]: Without dead ends: 113 [2019-05-23 09:25:26,081 INFO L146 ILogger]: 0 DeclaredPredicates, 108 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1294 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=188, Invalid=5362, Unknown=0, NotChecked=0, Total=5550 [2019-05-23 09:25:26,081 INFO L146 ILogger]: Start minimizeSevpa. Operand 113 states. [2019-05-23 09:25:26,083 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 113 to 111. [2019-05-23 09:25:26,083 INFO L146 ILogger]: Start removeUnreachable. Operand 111 states. [2019-05-23 09:25:26,083 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 111 states to 111 states and 111 transitions. [2019-05-23 09:25:26,084 INFO L146 ILogger]: Start accepts. Automaton has 111 states and 111 transitions. Word has length 107 [2019-05-23 09:25:26,084 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:25:26,084 INFO L146 ILogger]: Abstraction has 111 states and 111 transitions. [2019-05-23 09:25:26,084 INFO L146 ILogger]: Interpolant automaton has 73 states. [2019-05-23 09:25:26,084 INFO L146 ILogger]: Start isEmpty. Operand 111 states and 111 transitions. [2019-05-23 09:25:26,085 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 111 [2019-05-23 09:25:26,085 INFO L146 ILogger]: Found error trace [2019-05-23 09:25:26,085 INFO L146 ILogger]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1] [2019-05-23 09:25:26,085 INFO L146 ILogger]: === Iteration 36 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:25:26,085 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:25:26,085 INFO L146 ILogger]: Analyzing trace with hash -1729400634, now seen corresponding path program 35 times [2019-05-23 09:25:26,086 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:25:26,424 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:25:26,445 WARN L146 ILogger]: Trace formula consists of 150 conjuncts, 110 conjunts are in the unsatisfiable core [2019-05-23 09:25:26,447 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:25:26,509 INFO L146 ILogger]: 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 [2019-05-23 09:25:26,510 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:26,515 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:26,515 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:26,515 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:25:26,542 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:25:26,543 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:26,546 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:26,546 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:26,547 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:25:26,567 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:25:26,567 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:26,574 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:26,574 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:26,574 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:25:26,599 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:25:26,599 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:26,608 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:26,608 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:26,608 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:25:26,639 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:25:26,639 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:26,649 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:26,650 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:26,650 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:25:26,689 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:25:26,689 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:26,701 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:26,702 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:26,702 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:25:26,750 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:25:26,751 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:26,765 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:26,766 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:26,766 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:25:26,823 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:25:26,823 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:26,839 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:26,840 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:26,840 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:25:26,918 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:25:26,918 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:26,948 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:26,948 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:26,948 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:25:27,025 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:25:27,025 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:27,046 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:27,046 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:27,046 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:25:27,128 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:25:27,129 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:27,152 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:27,152 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:27,153 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:25:27,247 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:25:27,248 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:27,272 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:27,273 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:27,273 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:25:27,373 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:25:27,373 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:27,400 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:27,400 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:27,401 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:25:27,522 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:25:27,523 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:27,555 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:27,555 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:27,556 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:25:27,689 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:25:27,690 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:27,722 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:27,723 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:27,723 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:25:27,864 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:25:27,865 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:27,902 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:27,902 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:27,902 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:25:28,057 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:25:28,057 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:28,096 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:28,096 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:28,097 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:25:28,278 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:25:28,279 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:28,320 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:28,321 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:28,321 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:25:28,520 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:25:28,521 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:28,565 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:28,566 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:28,566 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:25:28,771 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:25:28,772 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:28,819 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:28,819 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:28,819 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:25:29,049 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:25:29,050 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:29,103 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:29,104 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:29,104 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:25:29,284 WARN L146 ILogger]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-05-23 09:25:29,408 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:25:29,409 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:29,461 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:29,462 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:29,462 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:25:29,720 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:25:29,721 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:29,779 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:29,779 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:29,780 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:25:30,051 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:25:30,052 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:30,122 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:30,123 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:30,123 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:25:30,528 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:25:30,529 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:30,605 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:30,605 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:30,605 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:25:30,924 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:25:30,925 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:31,015 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:31,015 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:31,016 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:25:31,351 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-05-23 09:25:31,351 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:31,425 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:31,426 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:31,426 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-05-23 09:25:31,778 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-05-23 09:25:31,779 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:31,854 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:31,855 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:31,855 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-05-23 09:25:32,223 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-05-23 09:25:32,224 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:32,307 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:32,307 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:32,308 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-05-23 09:25:32,717 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-05-23 09:25:32,718 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:32,805 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:32,806 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:32,806 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-05-23 09:25:33,226 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-05-23 09:25:33,227 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:33,320 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:33,320 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:33,320 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-05-23 09:25:33,566 WARN L146 ILogger]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-05-23 09:25:33,793 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-05-23 09:25:33,794 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:33,889 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:33,889 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:33,890 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-05-23 09:25:34,386 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-05-23 09:25:34,387 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:34,488 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:34,488 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:34,488 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-05-23 09:25:34,987 WARN L146 ILogger]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-05-23 09:25:34,995 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-05-23 09:25:34,997 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:35,124 WARN L146 ILogger]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:25:35,125 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:35,125 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:35,125 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-05-23 09:25:35,381 WARN L146 ILogger]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:25:35,679 WARN L146 ILogger]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-05-23 09:25:35,687 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-05-23 09:25:35,688 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:35,805 WARN L146 ILogger]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:25:35,806 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:35,806 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:35,806 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-05-23 09:25:36,073 WARN L146 ILogger]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:25:36,334 WARN L146 ILogger]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-05-23 09:25:36,591 WARN L146 ILogger]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-05-23 09:25:36,863 WARN L146 ILogger]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-05-23 09:25:37,053 INFO L146 ILogger]: Checked inductivity of 1820 backedges. 0 proven. 1820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:25:37,053 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:25:37,053 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2019-05-23 09:25:37,053 INFO L146 ILogger]: Interpolant automaton has 75 states [2019-05-23 09:25:37,054 INFO L146 ILogger]: Constructing interpolant automaton starting with 75 interpolants. [2019-05-23 09:25:37,054 INFO L146 ILogger]: CoverageRelationStatistics Valid=183, Invalid=5367, Unknown=0, NotChecked=0, Total=5550 [2019-05-23 09:25:37,054 INFO L146 ILogger]: Start difference. First operand 111 states and 111 transitions. Second operand 75 states. [2019-05-23 09:25:43,471 WARN L146 ILogger]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:25:43,784 WARN L146 ILogger]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:25:43,840 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:25:43,841 INFO L146 ILogger]: Finished difference Result 118 states and 118 transitions. [2019-05-23 09:25:43,841 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2019-05-23 09:25:43,841 INFO L146 ILogger]: Start accepts. Automaton has 75 states. Word has length 110 [2019-05-23 09:25:43,842 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:25:43,842 INFO L146 ILogger]: With dead ends: 118 [2019-05-23 09:25:43,842 INFO L146 ILogger]: Without dead ends: 116 [2019-05-23 09:25:43,843 INFO L146 ILogger]: 0 DeclaredPredicates, 111 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1367 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=193, Invalid=5659, Unknown=0, NotChecked=0, Total=5852 [2019-05-23 09:25:43,843 INFO L146 ILogger]: Start minimizeSevpa. Operand 116 states. [2019-05-23 09:25:43,846 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 116 to 114. [2019-05-23 09:25:43,846 INFO L146 ILogger]: Start removeUnreachable. Operand 114 states. [2019-05-23 09:25:43,846 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 114 states to 114 states and 114 transitions. [2019-05-23 09:25:43,846 INFO L146 ILogger]: Start accepts. Automaton has 114 states and 114 transitions. Word has length 110 [2019-05-23 09:25:43,847 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:25:43,847 INFO L146 ILogger]: Abstraction has 114 states and 114 transitions. [2019-05-23 09:25:43,847 INFO L146 ILogger]: Interpolant automaton has 75 states. [2019-05-23 09:25:43,847 INFO L146 ILogger]: Start isEmpty. Operand 114 states and 114 transitions. [2019-05-23 09:25:43,847 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 114 [2019-05-23 09:25:43,847 INFO L146 ILogger]: Found error trace [2019-05-23 09:25:43,848 INFO L146 ILogger]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1] [2019-05-23 09:25:43,848 INFO L146 ILogger]: === Iteration 37 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:25:43,848 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:25:43,848 INFO L146 ILogger]: Analyzing trace with hash 1735074440, now seen corresponding path program 36 times [2019-05-23 09:25:43,849 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:25:44,119 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:25:44,135 WARN L146 ILogger]: Trace formula consists of 154 conjuncts, 113 conjunts are in the unsatisfiable core [2019-05-23 09:25:44,137 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:25:44,189 INFO L146 ILogger]: 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 [2019-05-23 09:25:44,190 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:44,195 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:44,195 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:44,195 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:25:44,216 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:25:44,216 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:44,222 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:44,222 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:44,222 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:25:44,243 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:25:44,244 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:44,251 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:44,251 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:44,251 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:25:44,277 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:25:44,278 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:44,287 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:44,288 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:44,288 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:25:44,339 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:25:44,340 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:44,350 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:44,351 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:44,351 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:25:44,391 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:25:44,392 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:44,403 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:44,403 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:44,404 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:25:44,463 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:25:44,464 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:44,477 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:44,477 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:44,477 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:25:44,532 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:25:44,533 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:44,551 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:44,551 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:44,551 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:25:44,614 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:25:44,615 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:44,638 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:44,638 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:44,639 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:25:44,737 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:25:44,738 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:44,770 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:44,771 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:44,771 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:25:44,854 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:25:44,855 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:44,878 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:44,879 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:44,879 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:25:44,977 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:25:44,977 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:45,002 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:45,002 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:45,003 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:25:45,125 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:25:45,126 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:45,153 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:45,153 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:45,153 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:25:45,272 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:25:45,273 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:45,303 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:45,303 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:45,304 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:25:45,434 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:25:45,434 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:45,467 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:45,467 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:45,467 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:25:45,626 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:25:45,626 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:45,675 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:45,675 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:45,675 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:25:45,890 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:25:45,891 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:45,938 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:45,938 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:45,939 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:25:46,149 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:25:46,150 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:46,194 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:46,195 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:46,195 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:25:46,402 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:25:46,402 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:46,450 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:46,450 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:46,450 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:25:46,655 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:25:46,655 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:46,705 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:46,705 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:46,705 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:25:46,933 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:25:46,934 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:46,987 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:46,987 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:46,987 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:25:47,230 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:25:47,230 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:47,286 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:47,287 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:47,287 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:25:47,542 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:25:47,542 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:47,602 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:47,603 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:47,603 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:25:47,908 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:25:47,908 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:47,970 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:47,971 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:47,971 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:25:48,281 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:25:48,282 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:48,345 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:48,345 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:48,346 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:25:48,666 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:25:48,667 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:48,738 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:48,739 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:48,739 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:25:49,110 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-05-23 09:25:49,112 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:49,182 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:49,182 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:49,182 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-05-23 09:25:49,541 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-05-23 09:25:49,542 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:49,615 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:49,616 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:49,616 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-05-23 09:25:49,992 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-05-23 09:25:49,993 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:50,074 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:50,074 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:50,074 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-05-23 09:25:50,484 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-05-23 09:25:50,485 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:50,569 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:50,569 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:50,569 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-05-23 09:25:51,018 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-05-23 09:25:51,019 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:51,106 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:51,107 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:51,107 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-05-23 09:25:51,553 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-05-23 09:25:51,554 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:51,646 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:51,646 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:51,647 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-05-23 09:25:52,116 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-05-23 09:25:52,117 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:52,214 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:52,214 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:52,215 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-05-23 09:25:52,690 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-05-23 09:25:52,691 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:52,791 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:52,791 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:52,792 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-05-23 09:25:53,049 WARN L146 ILogger]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:25:53,317 WARN L146 ILogger]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-05-23 09:25:53,325 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-05-23 09:25:53,326 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:53,432 WARN L146 ILogger]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:25:53,432 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:53,433 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:53,433 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-05-23 09:25:53,693 WARN L146 ILogger]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:25:53,973 WARN L146 ILogger]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-05-23 09:25:53,982 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-05-23 09:25:53,983 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:25:54,091 WARN L146 ILogger]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:25:54,091 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:25:54,091 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:25:54,092 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-05-23 09:25:54,367 WARN L146 ILogger]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:25:54,641 WARN L146 ILogger]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-05-23 09:25:54,908 WARN L146 ILogger]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-05-23 09:25:55,197 WARN L146 ILogger]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-05-23 09:25:55,403 INFO L146 ILogger]: Checked inductivity of 1926 backedges. 0 proven. 1926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:25:55,403 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:25:55,404 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2019-05-23 09:25:55,404 INFO L146 ILogger]: Interpolant automaton has 77 states [2019-05-23 09:25:55,404 INFO L146 ILogger]: Constructing interpolant automaton starting with 77 interpolants. [2019-05-23 09:25:55,404 INFO L146 ILogger]: CoverageRelationStatistics Valid=188, Invalid=5664, Unknown=0, NotChecked=0, Total=5852 [2019-05-23 09:25:55,405 INFO L146 ILogger]: Start difference. First operand 114 states and 114 transitions. Second operand 77 states. [2019-05-23 09:26:02,471 WARN L146 ILogger]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:26:02,804 WARN L146 ILogger]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:26:02,866 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:26:02,867 INFO L146 ILogger]: Finished difference Result 121 states and 121 transitions. [2019-05-23 09:26:02,867 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2019-05-23 09:26:02,867 INFO L146 ILogger]: Start accepts. Automaton has 77 states. Word has length 113 [2019-05-23 09:26:02,868 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:26:02,868 INFO L146 ILogger]: With dead ends: 121 [2019-05-23 09:26:02,869 INFO L146 ILogger]: Without dead ends: 119 [2019-05-23 09:26:02,869 INFO L146 ILogger]: 0 DeclaredPredicates, 114 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1442 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=198, Invalid=5964, Unknown=0, NotChecked=0, Total=6162 [2019-05-23 09:26:02,869 INFO L146 ILogger]: Start minimizeSevpa. Operand 119 states. [2019-05-23 09:26:02,871 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 119 to 117. [2019-05-23 09:26:02,871 INFO L146 ILogger]: Start removeUnreachable. Operand 117 states. [2019-05-23 09:26:02,871 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 117 states to 117 states and 117 transitions. [2019-05-23 09:26:02,871 INFO L146 ILogger]: Start accepts. Automaton has 117 states and 117 transitions. Word has length 113 [2019-05-23 09:26:02,872 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:26:02,872 INFO L146 ILogger]: Abstraction has 117 states and 117 transitions. [2019-05-23 09:26:02,872 INFO L146 ILogger]: Interpolant automaton has 77 states. [2019-05-23 09:26:02,872 INFO L146 ILogger]: Start isEmpty. Operand 117 states and 117 transitions. [2019-05-23 09:26:02,872 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 117 [2019-05-23 09:26:02,872 INFO L146 ILogger]: Found error trace [2019-05-23 09:26:02,873 INFO L146 ILogger]: trace histogram [37, 37, 37, 1, 1, 1, 1, 1] [2019-05-23 09:26:02,873 INFO L146 ILogger]: === Iteration 38 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:26:02,873 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:26:02,873 INFO L146 ILogger]: Analyzing trace with hash -447086202, now seen corresponding path program 37 times [2019-05-23 09:26:02,874 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:26:03,226 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:26:03,241 WARN L146 ILogger]: Trace formula consists of 158 conjuncts, 116 conjunts are in the unsatisfiable core [2019-05-23 09:26:03,243 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:26:03,260 INFO L146 ILogger]: 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 [2019-05-23 09:26:03,260 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:03,271 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:03,271 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:03,271 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:26:03,295 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:26:03,295 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:03,301 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:03,301 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:03,302 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:26:03,321 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:26:03,321 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:03,328 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:03,328 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:03,328 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:26:03,354 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:26:03,354 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:03,361 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:03,361 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:03,361 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:26:03,423 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:26:03,424 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:03,432 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:03,433 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:03,433 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:26:03,472 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:26:03,472 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:03,485 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:03,485 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:03,485 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:26:03,533 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:26:03,533 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:03,547 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:03,547 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:03,547 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:26:03,607 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:26:03,607 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:03,623 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:03,624 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:03,624 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:26:03,687 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:26:03,688 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:03,706 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:03,707 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:03,707 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:26:03,780 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:26:03,780 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:03,801 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:03,801 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:03,801 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:26:03,884 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:26:03,884 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:03,907 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:03,907 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:03,908 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:26:04,037 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:26:04,037 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:04,062 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:04,063 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:04,063 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:26:04,172 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:26:04,173 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:04,199 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:04,200 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:04,200 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:26:04,314 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:26:04,315 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:04,343 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:04,344 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:04,344 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:26:04,476 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:26:04,477 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:04,509 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:04,509 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:04,510 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:26:04,653 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:26:04,654 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:04,691 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:04,692 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:04,692 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:26:04,844 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:26:04,845 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:04,882 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:04,882 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:04,883 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:26:05,048 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:26:05,049 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:05,093 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:05,093 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:05,094 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:26:05,296 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:26:05,297 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:05,342 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:05,342 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:05,342 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:26:05,547 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:26:05,548 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:05,596 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:05,596 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:05,596 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:26:05,814 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:26:05,815 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:05,866 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:05,866 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:05,866 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:26:06,104 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:26:06,105 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:06,184 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:06,184 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:06,185 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:26:06,562 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:26:06,563 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:06,622 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:06,623 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:06,623 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:26:06,886 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:26:06,887 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:06,947 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:06,948 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:06,948 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:26:07,248 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:26:07,249 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:07,314 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:07,314 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:07,315 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:26:07,616 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:26:07,617 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:07,687 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:07,687 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:07,687 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:26:08,016 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-05-23 09:26:08,017 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:08,110 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:08,111 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:08,111 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-05-23 09:26:08,459 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-05-23 09:26:08,460 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:08,539 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:08,539 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:08,539 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-05-23 09:26:08,903 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-05-23 09:26:08,905 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:08,983 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:08,984 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:08,984 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-05-23 09:26:09,387 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-05-23 09:26:09,388 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:09,472 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:09,473 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:09,473 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-05-23 09:26:09,879 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-05-23 09:26:09,881 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:09,966 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:09,967 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:09,967 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-05-23 09:26:10,406 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-05-23 09:26:10,407 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:10,500 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:10,501 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:10,501 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-05-23 09:26:10,968 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-05-23 09:26:10,970 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:11,065 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:11,065 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:11,066 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-05-23 09:26:11,327 WARN L146 ILogger]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-05-23 09:26:11,615 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-05-23 09:26:11,616 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:11,712 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:11,712 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:11,713 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-05-23 09:26:11,961 WARN L146 ILogger]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:26:12,220 WARN L146 ILogger]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-05-23 09:26:12,227 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-05-23 09:26:12,228 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:12,335 WARN L146 ILogger]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:26:12,336 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:12,336 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:12,336 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-05-23 09:26:12,867 WARN L146 ILogger]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-05-23 09:26:12,874 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-05-23 09:26:12,875 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:12,983 WARN L146 ILogger]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:26:12,984 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:12,984 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:12,985 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-05-23 09:26:13,261 WARN L146 ILogger]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:26:13,527 WARN L146 ILogger]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-05-23 09:26:13,533 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 36 select indices, 36 select index equivalence classes, 666 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 294 [2019-05-23 09:26:13,534 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:13,647 WARN L146 ILogger]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:26:13,647 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:13,648 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:13,648 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2019-05-23 09:26:13,941 WARN L146 ILogger]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:26:14,219 WARN L146 ILogger]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-05-23 09:26:14,502 WARN L146 ILogger]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-05-23 09:26:14,813 WARN L146 ILogger]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-05-23 09:26:15,053 INFO L146 ILogger]: Checked inductivity of 2035 backedges. 0 proven. 2035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:26:15,053 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:26:15,053 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [77] total 77 [2019-05-23 09:26:15,053 INFO L146 ILogger]: Interpolant automaton has 79 states [2019-05-23 09:26:15,054 INFO L146 ILogger]: Constructing interpolant automaton starting with 79 interpolants. [2019-05-23 09:26:15,054 INFO L146 ILogger]: CoverageRelationStatistics Valid=193, Invalid=5969, Unknown=0, NotChecked=0, Total=6162 [2019-05-23 09:26:15,054 INFO L146 ILogger]: Start difference. First operand 117 states and 117 transitions. Second operand 79 states. [2019-05-23 09:26:22,614 WARN L146 ILogger]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:26:22,955 WARN L146 ILogger]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:26:23,018 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:26:23,018 INFO L146 ILogger]: Finished difference Result 124 states and 124 transitions. [2019-05-23 09:26:23,019 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2019-05-23 09:26:23,019 INFO L146 ILogger]: Start accepts. Automaton has 79 states. Word has length 116 [2019-05-23 09:26:23,019 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:26:23,020 INFO L146 ILogger]: With dead ends: 124 [2019-05-23 09:26:23,020 INFO L146 ILogger]: Without dead ends: 122 [2019-05-23 09:26:23,020 INFO L146 ILogger]: 0 DeclaredPredicates, 117 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1519 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=203, Invalid=6277, Unknown=0, NotChecked=0, Total=6480 [2019-05-23 09:26:23,021 INFO L146 ILogger]: Start minimizeSevpa. Operand 122 states. [2019-05-23 09:26:23,022 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 122 to 120. [2019-05-23 09:26:23,023 INFO L146 ILogger]: Start removeUnreachable. Operand 120 states. [2019-05-23 09:26:23,023 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 120 states to 120 states and 120 transitions. [2019-05-23 09:26:23,023 INFO L146 ILogger]: Start accepts. Automaton has 120 states and 120 transitions. Word has length 116 [2019-05-23 09:26:23,024 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:26:23,024 INFO L146 ILogger]: Abstraction has 120 states and 120 transitions. [2019-05-23 09:26:23,024 INFO L146 ILogger]: Interpolant automaton has 79 states. [2019-05-23 09:26:23,024 INFO L146 ILogger]: Start isEmpty. Operand 120 states and 120 transitions. [2019-05-23 09:26:23,025 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 120 [2019-05-23 09:26:23,025 INFO L146 ILogger]: Found error trace [2019-05-23 09:26:23,025 INFO L146 ILogger]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1] [2019-05-23 09:26:23,025 INFO L146 ILogger]: === Iteration 39 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:26:23,025 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:26:23,025 INFO L146 ILogger]: Analyzing trace with hash -569779768, now seen corresponding path program 38 times [2019-05-23 09:26:23,026 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:26:23,442 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:26:23,458 WARN L146 ILogger]: Trace formula consists of 162 conjuncts, 119 conjunts are in the unsatisfiable core [2019-05-23 09:26:23,460 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:26:23,470 INFO L146 ILogger]: 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 [2019-05-23 09:26:23,470 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:23,478 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:23,478 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:23,478 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:26:23,504 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:26:23,504 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:23,511 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:23,511 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:23,512 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:26:23,533 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:26:23,533 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:23,540 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:23,541 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:23,541 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:26:23,567 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:26:23,568 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:23,576 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:23,577 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:23,577 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:26:23,610 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:26:23,611 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:23,620 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:23,620 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:23,621 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:26:23,657 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:26:23,658 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:23,669 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:23,669 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:23,669 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:26:23,715 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:26:23,715 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:23,729 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:23,730 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:23,730 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:26:23,785 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:26:23,785 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:23,801 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:23,801 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:23,801 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:26:23,865 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:26:23,866 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:23,884 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:23,884 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:23,885 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:26:23,957 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:26:23,958 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:23,976 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:23,976 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:23,976 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:26:24,060 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:26:24,061 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:24,083 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:24,083 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:24,084 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:26:24,180 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:26:24,180 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:24,206 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:24,206 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:24,206 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:26:24,309 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:26:24,310 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:24,338 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:24,338 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:24,338 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:26:24,459 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:26:24,460 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:24,487 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:24,488 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:24,488 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:26:24,618 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:26:24,619 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:24,653 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:24,654 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:24,654 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:26:24,788 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:26:24,789 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:24,821 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:24,822 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:24,822 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:26:24,970 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:26:24,971 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:25,009 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:25,010 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:25,010 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:26:25,179 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:26:25,180 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:25,223 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:25,223 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:25,223 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:26:25,409 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:26:25,410 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:25,458 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:25,458 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:25,458 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:26:25,671 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:26:25,672 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:25,721 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:25,721 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:25,721 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:26:25,947 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:26:25,948 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:25,997 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:25,998 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:25,998 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:26:26,234 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:26:26,234 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:26,287 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:26,287 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:26,288 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:26:26,539 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:26:26,540 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:26,595 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:26,596 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:26,596 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:26:26,970 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:26:26,971 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:27,052 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:27,053 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:27,053 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:26:27,346 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:26:27,346 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:27,412 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:27,413 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:27,413 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:26:27,739 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:26:27,740 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:27,812 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:27,812 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:27,813 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:26:28,141 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-05-23 09:26:28,142 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:28,210 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:28,210 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:28,211 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-05-23 09:26:28,569 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-05-23 09:26:28,570 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:28,645 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:28,645 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:28,646 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-05-23 09:26:29,018 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-05-23 09:26:29,019 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:29,103 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:29,104 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:29,104 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-05-23 09:26:29,511 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-05-23 09:26:29,512 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:29,595 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:29,596 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:29,596 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-05-23 09:26:30,038 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-05-23 09:26:30,039 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:30,126 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:30,126 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:30,127 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-05-23 09:26:30,583 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-05-23 09:26:30,584 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:30,684 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:30,684 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:30,685 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-05-23 09:26:31,169 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-05-23 09:26:31,170 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:31,270 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:31,271 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:31,271 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-05-23 09:26:31,784 WARN L146 ILogger]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-05-23 09:26:31,793 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-05-23 09:26:31,794 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:31,899 WARN L146 ILogger]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:26:31,900 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:31,900 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:31,901 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-05-23 09:26:32,166 WARN L146 ILogger]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:26:32,452 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-05-23 09:26:32,453 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:32,562 WARN L146 ILogger]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:26:32,562 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:32,563 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:32,563 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-05-23 09:26:32,853 WARN L146 ILogger]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:26:33,123 WARN L146 ILogger]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-05-23 09:26:33,131 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-05-23 09:26:33,132 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:33,246 WARN L146 ILogger]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:26:33,247 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:33,247 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:33,247 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-05-23 09:26:33,528 WARN L146 ILogger]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:26:33,809 WARN L146 ILogger]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-05-23 09:26:33,815 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 36 select indices, 36 select index equivalence classes, 666 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 294 [2019-05-23 09:26:33,816 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:33,926 WARN L146 ILogger]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:26:33,927 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:33,927 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:33,927 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2019-05-23 09:26:34,209 WARN L146 ILogger]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:26:34,494 WARN L146 ILogger]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-05-23 09:26:34,502 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 37 select indices, 37 select index equivalence classes, 703 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 302 [2019-05-23 09:26:34,503 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:34,623 WARN L146 ILogger]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:26:34,623 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:34,624 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:34,624 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:194 [2019-05-23 09:26:34,931 WARN L146 ILogger]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:26:35,231 WARN L146 ILogger]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-05-23 09:26:35,529 WARN L146 ILogger]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-05-23 09:26:35,838 WARN L146 ILogger]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-05-23 09:26:36,079 INFO L146 ILogger]: Checked inductivity of 2147 backedges. 0 proven. 2147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:26:36,079 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:26:36,079 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [79] total 79 [2019-05-23 09:26:36,079 INFO L146 ILogger]: Interpolant automaton has 81 states [2019-05-23 09:26:36,080 INFO L146 ILogger]: Constructing interpolant automaton starting with 81 interpolants. [2019-05-23 09:26:36,080 INFO L146 ILogger]: CoverageRelationStatistics Valid=198, Invalid=6282, Unknown=0, NotChecked=0, Total=6480 [2019-05-23 09:26:36,080 INFO L146 ILogger]: Start difference. First operand 120 states and 120 transitions. Second operand 81 states. [2019-05-23 09:26:44,005 WARN L146 ILogger]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:26:44,365 WARN L146 ILogger]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:26:44,430 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:26:44,430 INFO L146 ILogger]: Finished difference Result 127 states and 127 transitions. [2019-05-23 09:26:44,430 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2019-05-23 09:26:44,430 INFO L146 ILogger]: Start accepts. Automaton has 81 states. Word has length 119 [2019-05-23 09:26:44,431 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:26:44,432 INFO L146 ILogger]: With dead ends: 127 [2019-05-23 09:26:44,432 INFO L146 ILogger]: Without dead ends: 125 [2019-05-23 09:26:44,432 INFO L146 ILogger]: 0 DeclaredPredicates, 120 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1598 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=208, Invalid=6598, Unknown=0, NotChecked=0, Total=6806 [2019-05-23 09:26:44,433 INFO L146 ILogger]: Start minimizeSevpa. Operand 125 states. [2019-05-23 09:26:44,435 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 125 to 123. [2019-05-23 09:26:44,435 INFO L146 ILogger]: Start removeUnreachable. Operand 123 states. [2019-05-23 09:26:44,435 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 123 states to 123 states and 123 transitions. [2019-05-23 09:26:44,435 INFO L146 ILogger]: Start accepts. Automaton has 123 states and 123 transitions. Word has length 119 [2019-05-23 09:26:44,436 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:26:44,436 INFO L146 ILogger]: Abstraction has 123 states and 123 transitions. [2019-05-23 09:26:44,436 INFO L146 ILogger]: Interpolant automaton has 81 states. [2019-05-23 09:26:44,436 INFO L146 ILogger]: Start isEmpty. Operand 123 states and 123 transitions. [2019-05-23 09:26:44,436 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 123 [2019-05-23 09:26:44,436 INFO L146 ILogger]: Found error trace [2019-05-23 09:26:44,437 INFO L146 ILogger]: trace histogram [39, 39, 39, 1, 1, 1, 1, 1] [2019-05-23 09:26:44,437 INFO L146 ILogger]: === Iteration 40 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:26:44,437 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:26:44,437 INFO L146 ILogger]: Analyzing trace with hash -716635578, now seen corresponding path program 39 times [2019-05-23 09:26:44,438 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:26:45,001 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:26:45,019 WARN L146 ILogger]: Trace formula consists of 166 conjuncts, 122 conjunts are in the unsatisfiable core [2019-05-23 09:26:45,020 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:26:45,054 INFO L146 ILogger]: 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 [2019-05-23 09:26:45,054 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:45,062 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:45,062 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:45,062 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:26:45,086 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:26:45,086 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:45,092 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:45,092 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:45,092 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:26:45,113 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:26:45,113 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:45,121 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:45,121 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:45,121 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:26:45,146 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:26:45,147 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:45,155 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:45,156 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:45,156 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:26:45,188 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:26:45,188 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:45,199 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:45,200 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:45,200 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:26:45,238 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:26:45,238 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:45,251 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:45,251 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:45,252 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:26:45,298 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:26:45,299 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:45,313 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:45,313 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:45,314 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:26:45,367 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:26:45,367 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:45,383 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:45,384 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:45,384 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:26:45,445 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:26:45,446 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:45,463 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:45,464 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:45,464 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:26:45,537 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:26:45,538 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:45,557 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:45,558 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:45,558 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:26:45,637 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:26:45,638 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:45,660 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:45,661 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:45,661 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:26:45,753 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:26:45,754 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:45,780 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:45,781 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:45,781 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:26:45,887 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:26:45,888 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:45,918 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:45,918 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:45,918 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:26:46,036 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:26:46,037 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:46,067 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:46,068 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:46,068 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:26:46,203 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:26:46,204 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:46,235 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:46,235 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:46,236 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:26:46,391 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:26:46,391 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:46,429 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:46,429 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:46,430 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:26:46,590 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:26:46,590 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:46,630 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:46,630 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:46,630 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:26:46,805 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:26:46,805 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:46,848 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:46,849 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:46,849 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:26:47,043 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:26:47,044 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:47,093 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:47,094 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:47,094 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:26:47,359 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:26:47,360 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:47,423 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:47,423 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:47,423 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:26:47,680 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:26:47,681 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:47,734 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:47,735 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:47,735 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:26:47,975 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:26:47,976 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:48,032 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:48,033 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:48,033 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:26:48,294 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:26:48,294 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:48,353 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:48,354 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:48,354 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:26:48,637 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:26:48,637 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:48,701 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:48,701 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:48,702 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:26:49,000 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:26:49,001 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:49,070 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:49,070 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:49,071 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:26:49,391 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:26:49,392 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:49,463 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:49,463 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:49,464 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:26:49,801 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-05-23 09:26:49,803 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:49,878 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:49,878 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:49,878 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-05-23 09:26:50,256 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-05-23 09:26:50,257 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:50,348 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:50,349 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:50,349 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-05-23 09:26:50,731 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-05-23 09:26:50,732 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:50,813 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:50,814 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:50,814 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-05-23 09:26:51,236 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-05-23 09:26:51,238 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:51,320 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:51,321 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:51,321 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-05-23 09:26:51,741 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-05-23 09:26:51,742 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:51,828 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:51,828 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:51,829 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-05-23 09:26:52,290 WARN L146 ILogger]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-05-23 09:26:52,298 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-05-23 09:26:52,299 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:52,409 WARN L146 ILogger]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-05-23 09:26:52,409 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:52,410 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:52,410 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-05-23 09:26:52,921 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-05-23 09:26:52,922 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:53,017 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:53,018 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:53,018 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-05-23 09:26:53,507 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-05-23 09:26:53,508 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:53,609 WARN L146 ILogger]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:26:53,609 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:53,610 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:53,610 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-05-23 09:26:54,130 WARN L146 ILogger]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-05-23 09:26:54,138 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-05-23 09:26:54,139 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:54,241 WARN L146 ILogger]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:26:54,242 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:54,242 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:54,242 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-05-23 09:26:54,505 WARN L146 ILogger]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:26:54,772 WARN L146 ILogger]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-05-23 09:26:54,780 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-05-23 09:26:54,781 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:54,884 WARN L146 ILogger]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:26:54,885 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:54,885 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:54,886 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-05-23 09:26:55,167 WARN L146 ILogger]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:26:55,445 WARN L146 ILogger]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-05-23 09:26:55,473 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 36 select indices, 36 select index equivalence classes, 666 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 294 [2019-05-23 09:26:55,474 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:55,609 WARN L146 ILogger]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:26:55,610 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:55,610 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:55,610 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2019-05-23 09:26:55,924 WARN L146 ILogger]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:26:56,228 WARN L146 ILogger]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-05-23 09:26:56,236 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 37 select indices, 37 select index equivalence classes, 703 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 302 [2019-05-23 09:26:56,237 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:56,353 WARN L146 ILogger]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:26:56,353 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:56,354 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:56,354 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:194 [2019-05-23 09:26:56,653 WARN L146 ILogger]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:26:56,959 WARN L146 ILogger]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-05-23 09:26:56,966 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 38 select indices, 38 select index equivalence classes, 741 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 310 [2019-05-23 09:26:56,967 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:26:57,089 WARN L146 ILogger]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:26:57,089 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:26:57,090 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:26:57,090 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:200, output treesize:199 [2019-05-23 09:26:57,430 WARN L146 ILogger]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:26:57,804 WARN L146 ILogger]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-05-23 09:26:58,114 WARN L146 ILogger]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-05-23 09:26:58,428 WARN L146 ILogger]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-05-23 09:26:58,687 INFO L146 ILogger]: Checked inductivity of 2262 backedges. 0 proven. 2262 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:26:58,687 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:26:58,687 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [81] total 81 [2019-05-23 09:26:58,688 INFO L146 ILogger]: Interpolant automaton has 83 states [2019-05-23 09:26:58,688 INFO L146 ILogger]: Constructing interpolant automaton starting with 83 interpolants. [2019-05-23 09:26:58,688 INFO L146 ILogger]: CoverageRelationStatistics Valid=203, Invalid=6603, Unknown=0, NotChecked=0, Total=6806 [2019-05-23 09:26:58,688 INFO L146 ILogger]: Start difference. First operand 123 states and 123 transitions. Second operand 83 states. [2019-05-23 09:27:07,236 WARN L146 ILogger]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:27:07,633 WARN L146 ILogger]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:27:07,713 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:27:07,713 INFO L146 ILogger]: Finished difference Result 130 states and 130 transitions. [2019-05-23 09:27:07,713 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2019-05-23 09:27:07,713 INFO L146 ILogger]: Start accepts. Automaton has 83 states. Word has length 122 [2019-05-23 09:27:07,714 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:27:07,714 INFO L146 ILogger]: With dead ends: 130 [2019-05-23 09:27:07,715 INFO L146 ILogger]: Without dead ends: 128 [2019-05-23 09:27:07,715 INFO L146 ILogger]: 0 DeclaredPredicates, 123 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1679 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=213, Invalid=6927, Unknown=0, NotChecked=0, Total=7140 [2019-05-23 09:27:07,715 INFO L146 ILogger]: Start minimizeSevpa. Operand 128 states. [2019-05-23 09:27:07,717 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 128 to 126. [2019-05-23 09:27:07,717 INFO L146 ILogger]: Start removeUnreachable. Operand 126 states. [2019-05-23 09:27:07,718 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 126 states to 126 states and 126 transitions. [2019-05-23 09:27:07,718 INFO L146 ILogger]: Start accepts. Automaton has 126 states and 126 transitions. Word has length 122 [2019-05-23 09:27:07,718 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:27:07,718 INFO L146 ILogger]: Abstraction has 126 states and 126 transitions. [2019-05-23 09:27:07,718 INFO L146 ILogger]: Interpolant automaton has 83 states. [2019-05-23 09:27:07,718 INFO L146 ILogger]: Start isEmpty. Operand 126 states and 126 transitions. [2019-05-23 09:27:07,719 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 126 [2019-05-23 09:27:07,719 INFO L146 ILogger]: Found error trace [2019-05-23 09:27:07,719 INFO L146 ILogger]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1] [2019-05-23 09:27:07,719 INFO L146 ILogger]: === Iteration 41 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:27:07,720 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:27:07,720 INFO L146 ILogger]: Analyzing trace with hash 873603336, now seen corresponding path program 40 times [2019-05-23 09:27:07,720 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:27:08,192 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:27:08,206 WARN L146 ILogger]: Trace formula consists of 170 conjuncts, 125 conjunts are in the unsatisfiable core [2019-05-23 09:27:08,207 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:27:08,218 INFO L146 ILogger]: 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 [2019-05-23 09:27:08,218 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:08,226 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:08,226 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:08,226 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:27:08,262 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:27:08,263 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:08,270 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:08,270 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:08,270 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:27:08,297 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:27:08,297 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:08,304 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:08,304 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:08,305 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:27:08,328 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:27:08,329 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:08,337 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:08,338 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:08,338 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:27:08,368 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:27:08,369 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:08,379 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:08,379 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:08,380 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:27:08,418 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:27:08,419 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:08,431 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:08,431 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:08,431 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:27:08,479 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:27:08,480 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:08,493 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:08,493 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:08,494 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:27:08,552 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:27:08,552 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:08,569 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:08,570 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:08,570 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:27:08,641 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:27:08,642 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:08,660 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:08,660 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:08,660 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:27:08,733 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:27:08,733 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:08,754 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:08,755 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:08,755 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:27:08,839 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:27:08,839 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:08,938 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:08,939 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:08,939 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:27:09,033 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:27:09,034 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:09,074 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:09,074 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:09,075 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:27:09,182 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:27:09,183 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:09,528 WARN L146 ILogger]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-05-23 09:27:09,528 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:09,529 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:09,529 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:27:10,357 WARN L146 ILogger]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-05-23 09:27:10,487 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:27:10,488 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:10,518 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:10,519 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:10,519 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:27:10,646 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:27:10,646 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:10,678 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:10,678 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:10,678 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:27:10,826 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:27:10,826 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:10,860 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:10,861 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:10,861 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:27:11,014 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:27:11,015 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:11,053 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:11,054 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:11,054 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:27:11,212 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:27:11,213 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:11,256 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:11,256 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:11,256 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:27:11,439 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:27:11,440 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:11,484 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:11,485 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:11,485 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:27:11,684 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:27:11,684 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:11,733 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:11,733 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:11,733 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:27:11,951 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:27:11,952 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:12,004 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:12,004 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:12,005 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:27:12,251 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:27:12,252 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:12,311 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:12,312 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:12,312 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:27:12,567 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:27:12,568 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:12,624 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:12,625 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:12,625 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:27:12,928 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:27:12,929 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:12,988 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:12,989 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:12,989 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:27:13,280 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:27:13,281 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:13,346 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:13,346 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:13,346 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:27:13,650 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:27:13,651 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:13,720 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:13,720 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:13,720 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:27:14,058 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-05-23 09:27:14,059 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:14,133 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:14,134 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:14,134 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-05-23 09:27:14,487 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-05-23 09:27:14,489 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:14,563 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:14,563 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:14,563 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-05-23 09:27:14,979 WARN L146 ILogger]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-05-23 09:27:14,985 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-05-23 09:27:14,986 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:15,068 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:15,069 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:15,069 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-05-23 09:27:15,484 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-05-23 09:27:15,485 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:15,569 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:15,569 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:15,570 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-05-23 09:27:16,017 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-05-23 09:27:16,018 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:16,104 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:16,105 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:16,105 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-05-23 09:27:16,538 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-05-23 09:27:16,539 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:16,626 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:16,626 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:16,627 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-05-23 09:27:17,104 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-05-23 09:27:17,105 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:17,200 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:17,201 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:17,201 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-05-23 09:27:17,694 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-05-23 09:27:17,695 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:17,798 WARN L146 ILogger]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:27:17,798 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:17,798 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:17,799 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-05-23 09:27:18,107 WARN L146 ILogger]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:27:18,411 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-05-23 09:27:18,412 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:18,515 WARN L146 ILogger]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:27:18,515 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:18,516 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:18,516 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-05-23 09:27:18,782 WARN L146 ILogger]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:27:19,052 WARN L146 ILogger]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-05-23 09:27:19,060 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-05-23 09:27:19,061 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:19,174 WARN L146 ILogger]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:27:19,174 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:19,175 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:19,175 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-05-23 09:27:19,449 WARN L146 ILogger]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:27:19,725 WARN L146 ILogger]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-05-23 09:27:19,732 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 36 select indices, 36 select index equivalence classes, 666 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 294 [2019-05-23 09:27:19,733 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:19,852 WARN L146 ILogger]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:27:19,853 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:19,853 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:19,853 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2019-05-23 09:27:20,147 WARN L146 ILogger]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:27:20,436 WARN L146 ILogger]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-05-23 09:27:20,445 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 37 select indices, 37 select index equivalence classes, 703 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 302 [2019-05-23 09:27:20,446 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:20,581 WARN L146 ILogger]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:27:20,581 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:20,581 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:20,581 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:194 [2019-05-23 09:27:20,875 WARN L146 ILogger]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:27:21,182 WARN L146 ILogger]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-05-23 09:27:21,190 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 38 select indices, 38 select index equivalence classes, 741 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 310 [2019-05-23 09:27:21,191 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:21,317 WARN L146 ILogger]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:27:21,317 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:21,317 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:21,318 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:200, output treesize:199 [2019-05-23 09:27:21,652 WARN L146 ILogger]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:27:21,982 WARN L146 ILogger]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-05-23 09:27:21,990 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 39 select indices, 39 select index equivalence classes, 780 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 318 [2019-05-23 09:27:21,991 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:22,118 WARN L146 ILogger]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:27:22,118 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:22,119 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:22,119 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:205, output treesize:204 [2019-05-23 09:27:22,456 WARN L146 ILogger]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:27:22,798 WARN L146 ILogger]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-05-23 09:27:23,164 WARN L146 ILogger]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-05-23 09:27:23,506 WARN L146 ILogger]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-05-23 09:27:23,784 INFO L146 ILogger]: Checked inductivity of 2380 backedges. 0 proven. 2380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:27:23,784 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:27:23,784 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [83] total 83 [2019-05-23 09:27:23,785 INFO L146 ILogger]: Interpolant automaton has 85 states [2019-05-23 09:27:23,785 INFO L146 ILogger]: Constructing interpolant automaton starting with 85 interpolants. [2019-05-23 09:27:23,785 INFO L146 ILogger]: CoverageRelationStatistics Valid=208, Invalid=6932, Unknown=0, NotChecked=0, Total=7140 [2019-05-23 09:27:23,785 INFO L146 ILogger]: Start difference. First operand 126 states and 126 transitions. Second operand 85 states. [2019-05-23 09:27:33,361 WARN L146 ILogger]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:27:33,765 WARN L146 ILogger]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-05-23 09:27:33,829 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:27:33,829 INFO L146 ILogger]: Finished difference Result 133 states and 133 transitions. [2019-05-23 09:27:33,830 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2019-05-23 09:27:33,830 INFO L146 ILogger]: Start accepts. Automaton has 85 states. Word has length 125 [2019-05-23 09:27:33,830 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:27:33,831 INFO L146 ILogger]: With dead ends: 133 [2019-05-23 09:27:33,832 INFO L146 ILogger]: Without dead ends: 131 [2019-05-23 09:27:33,832 INFO L146 ILogger]: 0 DeclaredPredicates, 126 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1762 ImplicationChecksByTransitivity, 12.8s TimeCoverageRelationStatistics Valid=218, Invalid=7264, Unknown=0, NotChecked=0, Total=7482 [2019-05-23 09:27:33,833 INFO L146 ILogger]: Start minimizeSevpa. Operand 131 states. [2019-05-23 09:27:33,834 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 131 to 129. [2019-05-23 09:27:33,834 INFO L146 ILogger]: Start removeUnreachable. Operand 129 states. [2019-05-23 09:27:33,835 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 129 states to 129 states and 129 transitions. [2019-05-23 09:27:33,835 INFO L146 ILogger]: Start accepts. Automaton has 129 states and 129 transitions. Word has length 125 [2019-05-23 09:27:33,835 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:27:33,835 INFO L146 ILogger]: Abstraction has 129 states and 129 transitions. [2019-05-23 09:27:33,836 INFO L146 ILogger]: Interpolant automaton has 85 states. [2019-05-23 09:27:33,836 INFO L146 ILogger]: Start isEmpty. Operand 129 states and 129 transitions. [2019-05-23 09:27:33,836 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 129 [2019-05-23 09:27:33,836 INFO L146 ILogger]: Found error trace [2019-05-23 09:27:33,836 INFO L146 ILogger]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1] [2019-05-23 09:27:33,837 INFO L146 ILogger]: === Iteration 42 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:27:33,837 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:27:33,837 INFO L146 ILogger]: Analyzing trace with hash -2103151866, now seen corresponding path program 41 times [2019-05-23 09:27:33,837 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:27:34,376 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:27:34,391 WARN L146 ILogger]: Trace formula consists of 174 conjuncts, 128 conjunts are in the unsatisfiable core [2019-05-23 09:27:34,393 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:27:34,405 INFO L146 ILogger]: 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 [2019-05-23 09:27:34,405 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:34,414 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:34,414 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:34,414 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:27:34,440 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:27:34,440 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:34,446 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:34,446 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:34,446 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:27:34,465 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:27:34,465 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:34,472 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:34,472 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:34,472 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:27:34,498 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:27:34,499 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:34,507 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:34,508 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:34,508 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:27:34,539 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:27:34,539 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:34,550 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:34,550 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:34,551 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:27:34,589 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:27:34,590 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:34,601 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:34,601 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:34,601 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:27:34,647 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:27:34,647 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:34,660 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:34,660 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:34,660 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:27:34,716 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:27:34,717 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:34,733 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:34,733 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:34,734 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:27:34,797 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:27:34,798 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:34,816 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:34,817 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:34,817 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:27:34,892 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:27:34,893 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:34,913 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:34,914 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:34,914 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:27:35,000 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:27:35,000 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:35,022 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:35,022 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:35,022 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:27:35,118 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:27:35,119 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:35,142 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:35,142 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:35,142 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:27:35,241 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:27:35,241 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:35,268 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:35,269 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:35,269 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:27:35,386 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:27:35,387 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:35,417 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:35,418 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:35,418 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:27:35,545 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:27:35,546 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:35,578 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:35,578 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:35,578 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:27:35,724 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:27:35,724 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:35,760 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:35,760 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:35,760 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:27:35,927 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:27:35,927 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:35,966 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:35,967 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:35,967 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:27:36,144 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:27:36,146 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:36,187 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:36,187 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:36,187 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:27:36,398 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:27:36,399 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:36,443 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:36,443 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:36,444 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:27:36,651 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:27:36,652 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:36,701 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:36,701 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:36,702 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:27:36,925 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:27:36,926 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:36,978 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:36,978 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:36,979 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:27:37,215 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:27:37,216 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:37,270 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:37,271 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:37,271 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:27:37,523 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:27:37,523 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:37,582 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:37,583 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:37,583 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:27:37,864 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:27:37,866 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:38,488 WARN L146 ILogger]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-05-23 09:27:38,488 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:38,489 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:38,489 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:27:40,028 WARN L146 ILogger]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-05-23 09:27:40,323 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:27:40,324 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:40,390 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:40,390 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:40,390 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:27:40,705 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:27:40,707 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:40,778 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:40,778 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:40,778 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:27:41,117 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-05-23 09:27:41,118 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:41,195 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:41,195 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:41,196 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-05-23 09:27:41,559 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-05-23 09:27:41,560 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:41,639 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:41,640 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:41,640 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-05-23 09:27:42,033 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-05-23 09:27:42,033 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:42,112 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:42,113 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:42,113 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-05-23 09:27:42,506 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-05-23 09:27:42,507 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:42,591 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:42,592 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:42,592 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-05-23 09:27:43,001 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-05-23 09:27:43,002 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:43,088 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:43,088 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:43,088 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-05-23 09:27:43,540 WARN L146 ILogger]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-05-23 09:27:43,547 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-05-23 09:27:43,547 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:43,663 WARN L146 ILogger]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-05-23 09:27:43,664 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:43,664 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:43,665 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-05-23 09:27:44,158 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-05-23 09:27:44,159 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:44,260 WARN L146 ILogger]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-05-23 09:27:44,260 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:44,261 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:44,261 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-05-23 09:27:44,537 WARN L146 ILogger]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-05-23 09:27:44,786 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-05-23 09:27:44,788 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:44,891 WARN L146 ILogger]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:27:44,892 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:44,892 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:44,892 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-05-23 09:27:45,404 WARN L146 ILogger]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-05-23 09:27:45,411 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-05-23 09:27:45,412 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:45,515 WARN L146 ILogger]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:27:45,515 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:45,516 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:45,516 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-05-23 09:27:45,778 WARN L146 ILogger]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:27:46,057 WARN L146 ILogger]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-05-23 09:27:46,064 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-05-23 09:27:46,065 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:46,173 WARN L146 ILogger]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:27:46,174 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:46,174 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:46,175 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-05-23 09:27:46,460 WARN L146 ILogger]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:27:46,734 WARN L146 ILogger]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-05-23 09:27:46,742 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 36 select indices, 36 select index equivalence classes, 666 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 294 [2019-05-23 09:27:46,744 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:46,859 WARN L146 ILogger]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:27:46,860 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:46,860 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:46,860 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2019-05-23 09:27:47,155 WARN L146 ILogger]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:27:47,448 WARN L146 ILogger]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-05-23 09:27:47,456 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 37 select indices, 37 select index equivalence classes, 703 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 302 [2019-05-23 09:27:47,457 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:47,579 WARN L146 ILogger]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:27:47,579 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:47,580 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:47,580 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:194 [2019-05-23 09:27:47,888 WARN L146 ILogger]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:27:48,197 WARN L146 ILogger]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-05-23 09:27:48,205 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 38 select indices, 38 select index equivalence classes, 741 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 310 [2019-05-23 09:27:48,206 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:48,329 WARN L146 ILogger]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:27:48,330 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:48,330 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:48,331 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:200, output treesize:199 [2019-05-23 09:27:48,658 WARN L146 ILogger]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:27:49,024 WARN L146 ILogger]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-05-23 09:27:49,032 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 39 select indices, 39 select index equivalence classes, 780 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 318 [2019-05-23 09:27:49,033 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:49,169 WARN L146 ILogger]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:27:49,170 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:49,170 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:49,171 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:205, output treesize:204 [2019-05-23 09:27:49,499 WARN L146 ILogger]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:27:49,833 WARN L146 ILogger]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-05-23 09:27:49,840 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 40 select indices, 40 select index equivalence classes, 820 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 326 [2019-05-23 09:27:49,841 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:27:49,974 WARN L146 ILogger]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:27:49,975 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:27:49,975 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:27:49,975 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:210, output treesize:209 [2019-05-23 09:27:50,309 WARN L146 ILogger]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:27:50,650 WARN L146 ILogger]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-05-23 09:27:50,997 WARN L146 ILogger]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-05-23 09:27:51,355 WARN L146 ILogger]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-05-23 09:27:51,653 INFO L146 ILogger]: Checked inductivity of 2501 backedges. 0 proven. 2501 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:27:51,653 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:27:51,653 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [85] total 85 [2019-05-23 09:27:51,653 INFO L146 ILogger]: Interpolant automaton has 87 states [2019-05-23 09:27:51,654 INFO L146 ILogger]: Constructing interpolant automaton starting with 87 interpolants. [2019-05-23 09:27:51,654 INFO L146 ILogger]: CoverageRelationStatistics Valid=213, Invalid=7269, Unknown=0, NotChecked=0, Total=7482 [2019-05-23 09:27:51,654 INFO L146 ILogger]: Start difference. First operand 129 states and 129 transitions. Second operand 87 states. [2019-05-23 09:28:01,234 WARN L146 ILogger]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-05-23 09:28:01,648 WARN L146 ILogger]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-05-23 09:28:01,714 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:28:01,715 INFO L146 ILogger]: Finished difference Result 136 states and 136 transitions. [2019-05-23 09:28:01,715 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2019-05-23 09:28:01,715 INFO L146 ILogger]: Start accepts. Automaton has 87 states. Word has length 128 [2019-05-23 09:28:01,716 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:28:01,717 INFO L146 ILogger]: With dead ends: 136 [2019-05-23 09:28:01,717 INFO L146 ILogger]: Without dead ends: 134 [2019-05-23 09:28:01,718 INFO L146 ILogger]: 0 DeclaredPredicates, 129 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1847 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=223, Invalid=7609, Unknown=0, NotChecked=0, Total=7832 [2019-05-23 09:28:01,718 INFO L146 ILogger]: Start minimizeSevpa. Operand 134 states. [2019-05-23 09:28:01,720 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 134 to 132. [2019-05-23 09:28:01,720 INFO L146 ILogger]: Start removeUnreachable. Operand 132 states. [2019-05-23 09:28:01,721 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 132 states to 132 states and 132 transitions. [2019-05-23 09:28:01,721 INFO L146 ILogger]: Start accepts. Automaton has 132 states and 132 transitions. Word has length 128 [2019-05-23 09:28:01,721 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:28:01,721 INFO L146 ILogger]: Abstraction has 132 states and 132 transitions. [2019-05-23 09:28:01,721 INFO L146 ILogger]: Interpolant automaton has 87 states. [2019-05-23 09:28:01,721 INFO L146 ILogger]: Start isEmpty. Operand 132 states and 132 transitions. [2019-05-23 09:28:01,722 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 132 [2019-05-23 09:28:01,722 INFO L146 ILogger]: Found error trace [2019-05-23 09:28:01,722 INFO L146 ILogger]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1] [2019-05-23 09:28:01,722 INFO L146 ILogger]: === Iteration 43 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:28:01,723 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:28:01,723 INFO L146 ILogger]: Analyzing trace with hash -132646840, now seen corresponding path program 42 times [2019-05-23 09:28:01,723 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:28:02,249 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:28:02,265 WARN L146 ILogger]: Trace formula consists of 178 conjuncts, 131 conjunts are in the unsatisfiable core [2019-05-23 09:28:02,267 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:28:02,293 INFO L146 ILogger]: 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 [2019-05-23 09:28:02,294 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:02,302 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:02,302 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:02,302 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:28:02,321 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:28:02,322 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:02,327 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:02,328 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:02,328 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:28:02,346 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:28:02,347 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:02,353 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:02,354 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:02,354 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:28:02,380 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:28:02,381 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:02,389 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:02,390 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:02,390 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:28:02,421 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:28:02,421 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:02,432 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:02,432 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:02,433 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:28:02,475 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:28:02,475 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:02,487 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:02,488 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:02,488 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:28:02,534 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:28:02,535 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:02,549 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:02,549 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:02,549 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:28:02,603 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:28:02,604 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:02,620 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:02,620 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:02,620 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:28:02,683 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:28:02,684 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:02,703 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:02,703 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:02,703 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:28:02,774 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:28:02,775 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:02,794 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:02,795 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:02,795 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:28:02,876 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:28:02,877 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:02,900 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:02,901 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:02,901 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:28:02,995 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:28:02,996 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:03,021 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:03,021 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:03,022 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:28:03,125 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:28:03,126 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:03,152 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:03,153 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:03,153 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:28:03,273 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:28:03,274 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:03,304 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:03,305 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:03,305 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:28:03,433 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:28:03,434 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:03,470 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:03,471 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:03,471 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:28:03,608 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:28:03,609 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:03,643 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:03,644 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:03,644 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:28:03,811 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:28:03,812 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:03,849 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:03,849 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:03,849 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:28:04,036 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:28:04,036 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:04,079 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:04,079 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:04,079 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:28:04,274 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:28:04,275 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:04,318 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:04,319 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:04,319 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:28:04,522 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:28:04,522 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:04,569 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:04,569 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:04,570 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:28:04,787 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:28:04,787 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:04,839 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:04,839 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:04,839 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:28:05,098 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:28:05,099 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:05,156 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:05,156 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:05,156 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:28:05,415 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:28:05,415 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:05,470 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:05,471 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:05,471 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:28:05,751 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:28:05,752 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:05,810 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:05,810 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:05,810 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:28:06,102 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:28:06,104 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:06,172 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:06,172 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:06,172 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:28:06,495 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:28:06,497 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:06,567 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:06,567 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:06,568 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:28:06,898 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-05-23 09:28:06,900 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:06,971 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:06,972 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:06,972 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-05-23 09:28:07,333 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-05-23 09:28:07,333 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:07,406 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:07,407 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:07,407 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-05-23 09:28:07,781 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-05-23 09:28:07,782 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:07,864 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:07,865 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:07,865 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-05-23 09:28:08,265 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-05-23 09:28:08,266 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:08,352 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:08,353 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:08,353 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-05-23 09:28:08,782 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-05-23 09:28:08,783 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:08,871 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:08,871 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:08,871 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-05-23 09:28:09,115 WARN L146 ILogger]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-05-23 09:28:09,361 WARN L146 ILogger]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-05-23 09:28:09,370 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-05-23 09:28:09,371 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:09,466 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:09,467 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:09,467 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-05-23 09:28:09,957 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-05-23 09:28:09,959 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:10,053 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:10,053 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:10,054 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-05-23 09:28:10,544 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-05-23 09:28:10,545 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:10,645 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:10,646 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:10,646 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-05-23 09:28:10,896 WARN L146 ILogger]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:28:11,150 WARN L146 ILogger]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-05-23 09:28:11,158 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-05-23 09:28:11,159 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:11,270 WARN L146 ILogger]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:28:11,271 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:11,271 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:11,271 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-05-23 09:28:11,548 WARN L146 ILogger]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:28:11,812 WARN L146 ILogger]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-05-23 09:28:11,819 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-05-23 09:28:11,819 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:11,932 WARN L146 ILogger]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:28:11,933 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:11,933 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:11,934 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-05-23 09:28:12,234 WARN L146 ILogger]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:28:12,518 WARN L146 ILogger]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-05-23 09:28:12,524 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 36 select indices, 36 select index equivalence classes, 666 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 294 [2019-05-23 09:28:12,525 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:12,639 WARN L146 ILogger]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:28:12,640 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:12,640 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:12,641 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2019-05-23 09:28:12,923 WARN L146 ILogger]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:28:13,218 WARN L146 ILogger]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-05-23 09:28:13,226 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 37 select indices, 37 select index equivalence classes, 703 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 302 [2019-05-23 09:28:13,227 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:13,347 WARN L146 ILogger]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:28:13,347 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:13,348 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:13,348 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:194 [2019-05-23 09:28:13,652 WARN L146 ILogger]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:28:13,954 WARN L146 ILogger]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-05-23 09:28:13,962 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 38 select indices, 38 select index equivalence classes, 741 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 310 [2019-05-23 09:28:13,963 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:14,085 WARN L146 ILogger]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:28:14,085 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:14,085 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:14,086 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:200, output treesize:199 [2019-05-23 09:28:14,469 WARN L146 ILogger]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:28:14,792 WARN L146 ILogger]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-05-23 09:28:14,800 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 39 select indices, 39 select index equivalence classes, 780 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 318 [2019-05-23 09:28:14,801 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:14,933 WARN L146 ILogger]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:28:14,933 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:14,933 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:14,934 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:205, output treesize:204 [2019-05-23 09:28:15,263 WARN L146 ILogger]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:28:15,601 WARN L146 ILogger]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-05-23 09:28:15,610 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 40 select indices, 40 select index equivalence classes, 820 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 326 [2019-05-23 09:28:15,611 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:15,739 WARN L146 ILogger]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:28:15,740 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:15,740 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:15,741 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:210, output treesize:209 [2019-05-23 09:28:16,078 WARN L146 ILogger]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:28:16,425 WARN L146 ILogger]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-05-23 09:28:16,434 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 41 select indices, 41 select index equivalence classes, 861 disjoint index pairs (out of 820 index pairs), introduced 41 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 334 [2019-05-23 09:28:16,435 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:16,575 WARN L146 ILogger]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-05-23 09:28:16,575 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:16,576 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:16,576 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:215, output treesize:214 [2019-05-23 09:28:16,935 WARN L146 ILogger]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-05-23 09:28:17,278 WARN L146 ILogger]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-05-23 09:28:17,649 WARN L146 ILogger]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-05-23 09:28:18,024 WARN L146 ILogger]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-05-23 09:28:18,345 INFO L146 ILogger]: Checked inductivity of 2625 backedges. 0 proven. 2625 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:28:18,345 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:28:18,345 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [87] total 87 [2019-05-23 09:28:18,346 INFO L146 ILogger]: Interpolant automaton has 89 states [2019-05-23 09:28:18,346 INFO L146 ILogger]: Constructing interpolant automaton starting with 89 interpolants. [2019-05-23 09:28:18,346 INFO L146 ILogger]: CoverageRelationStatistics Valid=218, Invalid=7614, Unknown=0, NotChecked=0, Total=7832 [2019-05-23 09:28:18,346 INFO L146 ILogger]: Start difference. First operand 132 states and 132 transitions. Second operand 89 states. [2019-05-23 09:28:28,695 WARN L146 ILogger]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-05-23 09:28:29,120 WARN L146 ILogger]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-05-23 09:28:29,189 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:28:29,189 INFO L146 ILogger]: Finished difference Result 139 states and 139 transitions. [2019-05-23 09:28:29,190 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2019-05-23 09:28:29,190 INFO L146 ILogger]: Start accepts. Automaton has 89 states. Word has length 131 [2019-05-23 09:28:29,190 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:28:29,191 INFO L146 ILogger]: With dead ends: 139 [2019-05-23 09:28:29,191 INFO L146 ILogger]: Without dead ends: 137 [2019-05-23 09:28:29,192 INFO L146 ILogger]: 0 DeclaredPredicates, 132 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1934 ImplicationChecksByTransitivity, 13.3s TimeCoverageRelationStatistics Valid=228, Invalid=7962, Unknown=0, NotChecked=0, Total=8190 [2019-05-23 09:28:29,192 INFO L146 ILogger]: Start minimizeSevpa. Operand 137 states. [2019-05-23 09:28:29,194 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 137 to 135. [2019-05-23 09:28:29,194 INFO L146 ILogger]: Start removeUnreachable. Operand 135 states. [2019-05-23 09:28:29,195 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 135 states to 135 states and 135 transitions. [2019-05-23 09:28:29,195 INFO L146 ILogger]: Start accepts. Automaton has 135 states and 135 transitions. Word has length 131 [2019-05-23 09:28:29,195 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:28:29,195 INFO L146 ILogger]: Abstraction has 135 states and 135 transitions. [2019-05-23 09:28:29,195 INFO L146 ILogger]: Interpolant automaton has 89 states. [2019-05-23 09:28:29,196 INFO L146 ILogger]: Start isEmpty. Operand 135 states and 135 transitions. [2019-05-23 09:28:29,196 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 135 [2019-05-23 09:28:29,196 INFO L146 ILogger]: Found error trace [2019-05-23 09:28:29,196 INFO L146 ILogger]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1] [2019-05-23 09:28:29,197 INFO L146 ILogger]: === Iteration 44 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:28:29,197 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:28:29,197 INFO L146 ILogger]: Analyzing trace with hash -430419002, now seen corresponding path program 43 times [2019-05-23 09:28:29,197 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:28:29,757 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:28:29,791 WARN L146 ILogger]: Trace formula consists of 182 conjuncts, 134 conjunts are in the unsatisfiable core [2019-05-23 09:28:29,793 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:28:29,810 INFO L146 ILogger]: 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 [2019-05-23 09:28:29,810 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:29,819 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:29,820 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:29,820 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:28:29,843 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:28:29,844 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:29,851 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:29,851 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:29,851 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:28:29,873 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:28:29,873 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:29,880 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:29,881 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:29,881 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:28:29,908 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:28:29,908 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:29,917 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:29,917 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:29,917 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:28:29,948 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:28:29,948 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:29,957 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:29,958 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:29,958 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:28:29,997 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:28:29,997 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:30,009 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:30,009 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:30,009 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:28:30,055 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:28:30,056 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:30,074 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:30,074 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:30,074 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:28:30,126 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:28:30,127 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:30,143 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:30,143 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:30,144 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:28:30,207 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:28:30,208 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:30,271 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:30,271 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:30,271 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:28:30,346 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:28:30,347 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:30,367 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:30,367 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:30,367 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:28:30,444 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:28:30,445 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:30,468 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:30,468 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:30,469 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:28:30,565 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:28:30,565 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:30,591 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:30,591 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:30,592 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:28:30,694 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:28:30,694 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:30,721 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:30,722 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:30,722 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:28:30,838 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:28:30,839 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:30,868 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:30,869 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:30,869 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:28:31,003 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:28:31,004 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:31,036 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:31,037 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:31,037 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:28:31,201 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:28:31,202 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:31,241 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:31,241 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:31,241 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:28:31,406 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:28:31,406 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:31,445 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:31,446 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:31,446 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:28:31,614 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:28:31,615 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:31,658 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:31,658 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:31,658 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:28:31,845 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:28:31,846 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:31,891 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:31,892 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:31,892 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:28:32,100 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:28:32,101 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:32,149 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:32,149 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:32,149 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:28:32,392 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:28:32,393 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:32,444 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:32,445 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:32,445 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:28:32,684 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:28:32,685 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:32,738 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:32,738 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:32,739 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:28:32,994 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:28:32,994 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:33,053 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:33,053 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:33,054 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:28:33,359 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:28:33,360 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:33,418 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:33,419 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:33,419 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:28:33,711 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:28:33,712 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:33,776 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:33,777 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:33,777 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:28:34,095 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:28:34,096 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:34,162 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:34,163 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:34,163 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:28:34,493 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-05-23 09:28:34,494 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:34,565 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:34,566 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:34,566 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-05-23 09:28:34,980 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-05-23 09:28:34,981 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:35,056 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:35,056 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:35,057 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-05-23 09:28:35,445 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-05-23 09:28:35,446 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:35,526 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:35,526 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:35,527 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-05-23 09:28:35,938 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-05-23 09:28:35,938 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:36,022 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:36,023 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:36,023 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-05-23 09:28:36,455 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-05-23 09:28:36,456 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:36,546 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:36,546 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:36,546 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-05-23 09:28:37,006 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-05-23 09:28:37,007 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:37,102 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:37,103 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:37,103 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-05-23 09:28:37,590 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-05-23 09:28:37,591 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:37,689 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:37,690 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:37,690 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-05-23 09:28:38,188 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-05-23 09:28:38,189 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:38,294 WARN L146 ILogger]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:28:38,295 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:38,295 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:38,295 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-05-23 09:28:38,556 WARN L146 ILogger]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:28:38,820 WARN L146 ILogger]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-05-23 09:28:38,827 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-05-23 09:28:38,828 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:38,933 WARN L146 ILogger]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:28:38,933 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:38,933 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:38,934 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-05-23 09:28:39,200 WARN L146 ILogger]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:28:39,472 WARN L146 ILogger]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-05-23 09:28:39,480 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-05-23 09:28:39,481 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:39,589 WARN L146 ILogger]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:28:39,589 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:39,590 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:39,590 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-05-23 09:28:39,911 WARN L146 ILogger]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:28:40,252 WARN L146 ILogger]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-05-23 09:28:40,260 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 36 select indices, 36 select index equivalence classes, 666 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 294 [2019-05-23 09:28:40,261 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:40,373 WARN L146 ILogger]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:28:40,374 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:40,374 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:40,374 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2019-05-23 09:28:40,677 WARN L146 ILogger]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:28:40,975 WARN L146 ILogger]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-05-23 09:28:40,982 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 37 select indices, 37 select index equivalence classes, 703 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 302 [2019-05-23 09:28:40,983 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:41,100 WARN L146 ILogger]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:28:41,100 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:41,101 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:41,101 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:194 [2019-05-23 09:28:41,394 WARN L146 ILogger]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:28:41,705 WARN L146 ILogger]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-05-23 09:28:41,713 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 38 select indices, 38 select index equivalence classes, 741 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 310 [2019-05-23 09:28:41,714 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:41,840 WARN L146 ILogger]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:28:41,841 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:41,841 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:41,841 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:200, output treesize:199 [2019-05-23 09:28:42,139 WARN L146 ILogger]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:28:42,451 WARN L146 ILogger]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-05-23 09:28:42,459 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 39 select indices, 39 select index equivalence classes, 780 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 318 [2019-05-23 09:28:42,460 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:42,592 WARN L146 ILogger]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:28:42,592 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:42,592 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:42,593 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:205, output treesize:204 [2019-05-23 09:28:42,927 WARN L146 ILogger]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:28:43,259 WARN L146 ILogger]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-05-23 09:28:43,266 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 40 select indices, 40 select index equivalence classes, 820 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 326 [2019-05-23 09:28:43,267 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:43,401 WARN L146 ILogger]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:28:43,401 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:43,402 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:43,402 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:210, output treesize:209 [2019-05-23 09:28:43,741 WARN L146 ILogger]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:28:44,074 WARN L146 ILogger]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-05-23 09:28:44,082 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 41 select indices, 41 select index equivalence classes, 861 disjoint index pairs (out of 820 index pairs), introduced 41 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 334 [2019-05-23 09:28:44,083 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:44,224 WARN L146 ILogger]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-05-23 09:28:44,225 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:44,225 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:44,225 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:215, output treesize:214 [2019-05-23 09:28:44,585 WARN L146 ILogger]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-05-23 09:28:44,969 WARN L146 ILogger]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-05-23 09:28:44,978 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 42 select indices, 42 select index equivalence classes, 903 disjoint index pairs (out of 861 index pairs), introduced 42 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 342 [2019-05-23 09:28:44,979 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:45,150 WARN L146 ILogger]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-05-23 09:28:45,150 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:45,150 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:45,150 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:220, output treesize:219 [2019-05-23 09:28:45,527 WARN L146 ILogger]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-05-23 09:28:45,900 WARN L146 ILogger]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-05-23 09:28:46,272 WARN L146 ILogger]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-05-23 09:28:46,663 WARN L146 ILogger]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-05-23 09:28:47,005 INFO L146 ILogger]: Checked inductivity of 2752 backedges. 0 proven. 2752 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:28:47,005 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:28:47,005 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [89] total 89 [2019-05-23 09:28:47,005 INFO L146 ILogger]: Interpolant automaton has 91 states [2019-05-23 09:28:47,006 INFO L146 ILogger]: Constructing interpolant automaton starting with 91 interpolants. [2019-05-23 09:28:47,006 INFO L146 ILogger]: CoverageRelationStatistics Valid=223, Invalid=7967, Unknown=0, NotChecked=0, Total=8190 [2019-05-23 09:28:47,006 INFO L146 ILogger]: Start difference. First operand 135 states and 135 transitions. Second operand 91 states. [2019-05-23 09:28:57,953 WARN L146 ILogger]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-05-23 09:28:58,426 WARN L146 ILogger]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-05-23 09:28:58,499 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:28:58,500 INFO L146 ILogger]: Finished difference Result 142 states and 142 transitions. [2019-05-23 09:28:58,500 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2019-05-23 09:28:58,500 INFO L146 ILogger]: Start accepts. Automaton has 91 states. Word has length 134 [2019-05-23 09:28:58,500 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:28:58,501 INFO L146 ILogger]: With dead ends: 142 [2019-05-23 09:28:58,501 INFO L146 ILogger]: Without dead ends: 140 [2019-05-23 09:28:58,502 INFO L146 ILogger]: 0 DeclaredPredicates, 135 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2023 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=233, Invalid=8323, Unknown=0, NotChecked=0, Total=8556 [2019-05-23 09:28:58,502 INFO L146 ILogger]: Start minimizeSevpa. Operand 140 states. [2019-05-23 09:28:58,504 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 140 to 138. [2019-05-23 09:28:58,504 INFO L146 ILogger]: Start removeUnreachable. Operand 138 states. [2019-05-23 09:28:58,505 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 138 states to 138 states and 138 transitions. [2019-05-23 09:28:58,505 INFO L146 ILogger]: Start accepts. Automaton has 138 states and 138 transitions. Word has length 134 [2019-05-23 09:28:58,505 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:28:58,505 INFO L146 ILogger]: Abstraction has 138 states and 138 transitions. [2019-05-23 09:28:58,505 INFO L146 ILogger]: Interpolant automaton has 91 states. [2019-05-23 09:28:58,505 INFO L146 ILogger]: Start isEmpty. Operand 138 states and 138 transitions. [2019-05-23 09:28:58,506 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 138 [2019-05-23 09:28:58,506 INFO L146 ILogger]: Found error trace [2019-05-23 09:28:58,506 INFO L146 ILogger]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1] [2019-05-23 09:28:58,506 INFO L146 ILogger]: === Iteration 45 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:28:58,507 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:28:58,507 INFO L146 ILogger]: Analyzing trace with hash 2041536392, now seen corresponding path program 44 times [2019-05-23 09:28:58,507 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:28:59,164 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:28:59,196 WARN L146 ILogger]: Trace formula consists of 186 conjuncts, 137 conjunts are in the unsatisfiable core [2019-05-23 09:28:59,198 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:28:59,215 INFO L146 ILogger]: 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 [2019-05-23 09:28:59,216 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:59,222 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:59,222 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:59,222 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:28:59,254 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:28:59,255 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:59,259 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:59,260 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:59,260 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:28:59,281 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:28:59,281 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:59,289 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:59,289 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:59,289 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:28:59,316 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:28:59,316 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:59,325 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:59,326 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:59,326 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:28:59,357 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:28:59,357 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:59,368 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:59,369 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:59,369 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:28:59,406 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:28:59,407 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:59,418 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:59,419 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:59,419 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:28:59,465 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:28:59,465 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:59,479 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:59,479 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:59,480 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:28:59,536 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:28:59,536 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:59,553 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:59,554 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:59,554 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:28:59,618 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:28:59,618 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:59,637 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:59,637 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:59,637 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:28:59,709 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:28:59,709 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:59,731 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:59,731 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:59,731 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:28:59,815 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:28:59,816 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:59,839 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:59,840 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:59,840 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:28:59,936 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:28:59,936 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:28:59,962 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:28:59,962 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:28:59,962 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:29:00,068 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:29:00,068 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:00,094 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:00,095 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:00,095 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:29:00,230 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:29:00,231 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:00,268 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:00,268 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:00,269 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:29:00,505 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:29:00,506 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:00,552 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:00,552 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:00,553 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:29:00,704 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:29:00,705 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:00,743 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:00,743 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:00,744 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:29:00,965 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:29:00,966 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:01,005 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:01,006 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:01,006 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:29:01,188 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:29:01,188 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:01,230 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:01,230 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:01,231 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:29:01,420 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:29:01,421 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:01,468 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:01,469 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:01,469 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:29:01,669 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:29:01,670 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:01,718 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:01,718 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:01,718 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:29:01,950 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:29:01,950 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:02,003 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:02,003 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:02,004 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:29:02,252 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:29:02,253 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:02,307 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:02,307 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:02,307 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:29:02,557 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:29:02,558 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:02,615 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:02,616 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:02,616 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:29:02,893 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:29:02,894 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:02,954 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:02,955 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:02,955 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:29:03,252 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:29:03,254 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:03,318 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:03,319 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:03,319 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:29:03,646 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:29:03,647 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:03,716 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:03,716 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:03,717 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:29:04,049 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-05-23 09:29:04,050 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:04,124 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:04,125 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:04,125 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-05-23 09:29:04,464 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-05-23 09:29:04,466 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:04,542 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:04,543 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:04,543 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-05-23 09:29:04,925 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-05-23 09:29:04,926 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:05,004 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:05,005 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:05,005 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-05-23 09:29:05,423 WARN L146 ILogger]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-05-23 09:29:05,429 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-05-23 09:29:05,430 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:05,527 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:05,528 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:05,528 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-05-23 09:29:06,011 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-05-23 09:29:06,012 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:06,101 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:06,101 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:06,102 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-05-23 09:29:06,559 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-05-23 09:29:06,560 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:06,655 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:06,655 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:06,655 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-05-23 09:29:07,124 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-05-23 09:29:07,125 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:07,220 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:07,220 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:07,220 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-05-23 09:29:07,716 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-05-23 09:29:07,717 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:07,813 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:07,814 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:07,814 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-05-23 09:29:08,072 WARN L146 ILogger]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:29:08,333 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-05-23 09:29:08,334 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:08,438 WARN L146 ILogger]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:29:08,438 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:08,439 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:08,439 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-05-23 09:29:08,708 WARN L146 ILogger]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:29:08,975 WARN L146 ILogger]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-05-23 09:29:08,982 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-05-23 09:29:08,983 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:09,100 WARN L146 ILogger]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:29:09,100 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:09,101 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:09,101 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-05-23 09:29:09,373 WARN L146 ILogger]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:29:09,651 WARN L146 ILogger]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-05-23 09:29:09,659 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 36 select indices, 36 select index equivalence classes, 666 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 294 [2019-05-23 09:29:09,660 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:09,778 WARN L146 ILogger]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:29:09,778 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:09,778 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:09,779 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2019-05-23 09:29:10,079 WARN L146 ILogger]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:29:10,394 WARN L146 ILogger]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-05-23 09:29:10,401 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 37 select indices, 37 select index equivalence classes, 703 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 302 [2019-05-23 09:29:10,402 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:10,549 WARN L146 ILogger]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:29:10,549 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:10,550 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:10,550 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:194 [2019-05-23 09:29:10,860 WARN L146 ILogger]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:29:11,160 WARN L146 ILogger]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-05-23 09:29:11,168 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 38 select indices, 38 select index equivalence classes, 741 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 310 [2019-05-23 09:29:11,169 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:11,292 WARN L146 ILogger]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:29:11,292 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:11,293 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:11,293 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:200, output treesize:199 [2019-05-23 09:29:11,604 WARN L146 ILogger]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:29:11,919 WARN L146 ILogger]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-05-23 09:29:11,927 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 39 select indices, 39 select index equivalence classes, 780 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 318 [2019-05-23 09:29:11,928 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:12,056 WARN L146 ILogger]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:29:12,056 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:12,056 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:12,057 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:205, output treesize:204 [2019-05-23 09:29:12,395 WARN L146 ILogger]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:29:12,732 WARN L146 ILogger]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-05-23 09:29:12,740 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 40 select indices, 40 select index equivalence classes, 820 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 326 [2019-05-23 09:29:12,741 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:12,877 WARN L146 ILogger]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:29:12,878 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:12,878 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:12,878 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:210, output treesize:209 [2019-05-23 09:29:13,210 WARN L146 ILogger]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:29:13,544 WARN L146 ILogger]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-05-23 09:29:13,552 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 41 select indices, 41 select index equivalence classes, 861 disjoint index pairs (out of 820 index pairs), introduced 41 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 334 [2019-05-23 09:29:13,553 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:13,696 WARN L146 ILogger]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-05-23 09:29:13,696 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:13,697 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:13,697 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:215, output treesize:214 [2019-05-23 09:29:14,054 WARN L146 ILogger]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-05-23 09:29:14,403 WARN L146 ILogger]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-05-23 09:29:14,411 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 42 select indices, 42 select index equivalence classes, 903 disjoint index pairs (out of 861 index pairs), introduced 42 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 342 [2019-05-23 09:29:14,412 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:14,555 WARN L146 ILogger]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-05-23 09:29:14,556 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:14,556 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:14,556 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:220, output treesize:219 [2019-05-23 09:29:14,923 WARN L146 ILogger]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-05-23 09:29:15,285 WARN L146 ILogger]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-05-23 09:29:15,292 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 43 select indices, 43 select index equivalence classes, 946 disjoint index pairs (out of 903 index pairs), introduced 43 new quantified variables, introduced 0 case distinctions, treesize of input 222 treesize of output 350 [2019-05-23 09:29:15,294 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:15,446 WARN L146 ILogger]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-05-23 09:29:15,447 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:15,447 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:15,447 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:225, output treesize:224 [2019-05-23 09:29:15,866 WARN L146 ILogger]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-05-23 09:29:16,265 WARN L146 ILogger]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-05-23 09:29:16,642 WARN L146 ILogger]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-05-23 09:29:17,024 WARN L146 ILogger]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-05-23 09:29:17,406 INFO L146 ILogger]: Checked inductivity of 2882 backedges. 0 proven. 2882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:29:17,407 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:29:17,407 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [91] total 91 [2019-05-23 09:29:17,407 INFO L146 ILogger]: Interpolant automaton has 93 states [2019-05-23 09:29:17,407 INFO L146 ILogger]: Constructing interpolant automaton starting with 93 interpolants. [2019-05-23 09:29:17,408 INFO L146 ILogger]: CoverageRelationStatistics Valid=228, Invalid=8328, Unknown=0, NotChecked=0, Total=8556 [2019-05-23 09:29:17,408 INFO L146 ILogger]: Start difference. First operand 138 states and 138 transitions. Second operand 93 states. [2019-05-23 09:29:29,142 WARN L146 ILogger]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-05-23 09:29:29,589 WARN L146 ILogger]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-05-23 09:29:29,665 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:29:29,665 INFO L146 ILogger]: Finished difference Result 145 states and 145 transitions. [2019-05-23 09:29:29,665 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2019-05-23 09:29:29,665 INFO L146 ILogger]: Start accepts. Automaton has 93 states. Word has length 137 [2019-05-23 09:29:29,666 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:29:29,667 INFO L146 ILogger]: With dead ends: 145 [2019-05-23 09:29:29,667 INFO L146 ILogger]: Without dead ends: 143 [2019-05-23 09:29:29,667 INFO L146 ILogger]: 0 DeclaredPredicates, 138 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2114 ImplicationChecksByTransitivity, 15.1s TimeCoverageRelationStatistics Valid=238, Invalid=8692, Unknown=0, NotChecked=0, Total=8930 [2019-05-23 09:29:29,668 INFO L146 ILogger]: Start minimizeSevpa. Operand 143 states. [2019-05-23 09:29:29,670 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 143 to 141. [2019-05-23 09:29:29,671 INFO L146 ILogger]: Start removeUnreachable. Operand 141 states. [2019-05-23 09:29:29,671 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 141 states to 141 states and 141 transitions. [2019-05-23 09:29:29,671 INFO L146 ILogger]: Start accepts. Automaton has 141 states and 141 transitions. Word has length 137 [2019-05-23 09:29:29,672 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:29:29,672 INFO L146 ILogger]: Abstraction has 141 states and 141 transitions. [2019-05-23 09:29:29,672 INFO L146 ILogger]: Interpolant automaton has 93 states. [2019-05-23 09:29:29,672 INFO L146 ILogger]: Start isEmpty. Operand 141 states and 141 transitions. [2019-05-23 09:29:29,672 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 141 [2019-05-23 09:29:29,673 INFO L146 ILogger]: Found error trace [2019-05-23 09:29:29,673 INFO L146 ILogger]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1] [2019-05-23 09:29:29,673 INFO L146 ILogger]: === Iteration 46 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:29:29,673 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:29:29,673 INFO L146 ILogger]: Analyzing trace with hash -1739545466, now seen corresponding path program 45 times [2019-05-23 09:29:29,674 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:29:30,493 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:29:30,515 WARN L146 ILogger]: Trace formula consists of 190 conjuncts, 140 conjunts are in the unsatisfiable core [2019-05-23 09:29:30,517 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:29:30,536 INFO L146 ILogger]: 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 [2019-05-23 09:29:30,536 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:30,544 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:30,544 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:30,544 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:29:30,574 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:29:30,574 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:30,579 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:30,579 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:30,580 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:29:30,598 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:29:30,599 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:30,606 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:30,606 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:30,606 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:29:30,633 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:29:30,633 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:30,642 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:30,643 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:30,643 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:29:30,673 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:29:30,674 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:30,684 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:30,685 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:30,685 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:29:30,723 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:29:30,724 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:30,736 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:30,736 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:30,737 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:29:30,782 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:29:30,783 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:30,796 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:30,796 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:30,797 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:29:30,853 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:29:30,854 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:30,869 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:30,870 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:30,870 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:29:30,945 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:29:30,945 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:30,974 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:30,974 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:30,974 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:29:31,144 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:29:31,144 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:31,174 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:31,174 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:31,174 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:29:31,334 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:29:31,335 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:31,358 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:31,358 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:31,359 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:29:31,452 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:29:31,453 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:31,478 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:31,478 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:31,478 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:29:31,587 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:29:31,588 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:31,616 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:31,617 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:31,617 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:29:31,733 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:29:31,733 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:31,762 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:31,763 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:31,763 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:29:31,896 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:29:31,897 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:31,931 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:31,931 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:31,932 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:29:32,073 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:29:32,074 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:32,108 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:32,108 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:32,109 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:29:32,272 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:29:32,273 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:32,313 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:32,314 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:32,314 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:29:32,485 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:29:32,486 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:32,525 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:32,525 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:32,526 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:29:32,743 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:29:32,744 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:32,789 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:32,789 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:32,790 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:29:32,997 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:29:32,997 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:33,045 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:33,045 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:33,046 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:29:33,274 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:29:33,275 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:33,325 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:33,326 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:33,326 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:29:33,575 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:29:33,576 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:33,631 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:33,631 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:33,632 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:29:33,889 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:29:33,891 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:33,950 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:33,950 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:33,950 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:29:34,227 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:29:34,227 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:34,288 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:34,289 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:34,289 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:29:34,579 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:29:34,580 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:34,644 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:34,644 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:34,645 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:29:34,961 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:29:34,962 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:35,032 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:35,032 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:35,033 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:29:35,368 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-05-23 09:29:35,369 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:35,460 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:35,461 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:35,461 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-05-23 09:29:35,821 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-05-23 09:29:35,822 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:35,900 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:35,901 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:35,901 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-05-23 09:29:36,340 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-05-23 09:29:36,341 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:36,440 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:36,440 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:36,440 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-05-23 09:29:36,855 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-05-23 09:29:36,856 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:36,942 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:36,943 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:36,943 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-05-23 09:29:37,362 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-05-23 09:29:37,363 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:37,450 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:37,451 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:37,451 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-05-23 09:29:37,898 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-05-23 09:29:37,899 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:37,991 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:37,992 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:37,992 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-05-23 09:29:38,468 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-05-23 09:29:38,468 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:38,562 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:38,562 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:38,562 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-05-23 09:29:39,048 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-05-23 09:29:39,049 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:39,150 WARN L146 ILogger]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:29:39,150 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:39,150 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:39,151 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-05-23 09:29:39,403 WARN L146 ILogger]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:29:39,663 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-05-23 09:29:39,664 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:39,773 WARN L146 ILogger]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:29:39,773 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:39,774 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:39,774 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-05-23 09:29:40,039 WARN L146 ILogger]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:29:40,304 WARN L146 ILogger]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-05-23 09:29:40,313 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-05-23 09:29:40,314 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:40,422 WARN L146 ILogger]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:29:40,422 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:40,423 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:40,423 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-05-23 09:29:40,703 WARN L146 ILogger]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:29:40,975 WARN L146 ILogger]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-05-23 09:29:40,983 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 36 select indices, 36 select index equivalence classes, 666 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 294 [2019-05-23 09:29:40,984 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:41,094 WARN L146 ILogger]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:29:41,094 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:41,095 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:41,095 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2019-05-23 09:29:41,417 WARN L146 ILogger]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:29:41,728 WARN L146 ILogger]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-05-23 09:29:41,734 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 37 select indices, 37 select index equivalence classes, 703 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 302 [2019-05-23 09:29:41,736 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:41,854 WARN L146 ILogger]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:29:41,855 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:41,855 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:41,855 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:194 [2019-05-23 09:29:42,155 WARN L146 ILogger]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:29:42,476 WARN L146 ILogger]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-05-23 09:29:42,485 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 38 select indices, 38 select index equivalence classes, 741 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 310 [2019-05-23 09:29:42,486 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:42,615 WARN L146 ILogger]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:29:42,616 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:42,616 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:42,617 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:200, output treesize:199 [2019-05-23 09:29:42,966 WARN L146 ILogger]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:29:43,290 WARN L146 ILogger]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-05-23 09:29:43,298 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 39 select indices, 39 select index equivalence classes, 780 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 318 [2019-05-23 09:29:43,299 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:43,435 WARN L146 ILogger]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:29:43,436 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:43,436 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:43,436 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:205, output treesize:204 [2019-05-23 09:29:43,779 WARN L146 ILogger]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:29:44,109 WARN L146 ILogger]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-05-23 09:29:44,118 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 40 select indices, 40 select index equivalence classes, 820 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 326 [2019-05-23 09:29:44,119 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:44,263 WARN L146 ILogger]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:29:44,263 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:44,264 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:44,264 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:210, output treesize:209 [2019-05-23 09:29:44,621 WARN L146 ILogger]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:29:44,965 WARN L146 ILogger]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-05-23 09:29:44,974 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 41 select indices, 41 select index equivalence classes, 861 disjoint index pairs (out of 820 index pairs), introduced 41 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 334 [2019-05-23 09:29:44,975 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:45,112 WARN L146 ILogger]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-05-23 09:29:45,112 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:45,113 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:45,113 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:215, output treesize:214 [2019-05-23 09:29:45,467 WARN L146 ILogger]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-05-23 09:29:45,829 WARN L146 ILogger]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-05-23 09:29:45,837 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 42 select indices, 42 select index equivalence classes, 903 disjoint index pairs (out of 861 index pairs), introduced 42 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 342 [2019-05-23 09:29:45,838 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:45,988 WARN L146 ILogger]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-05-23 09:29:45,989 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:45,989 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:45,990 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:220, output treesize:219 [2019-05-23 09:29:46,384 WARN L146 ILogger]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-05-23 09:29:46,794 WARN L146 ILogger]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-05-23 09:29:46,802 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 43 select indices, 43 select index equivalence classes, 946 disjoint index pairs (out of 903 index pairs), introduced 43 new quantified variables, introduced 0 case distinctions, treesize of input 222 treesize of output 350 [2019-05-23 09:29:46,804 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:46,946 WARN L146 ILogger]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-05-23 09:29:46,946 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:46,947 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:46,947 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:225, output treesize:224 [2019-05-23 09:29:47,338 WARN L146 ILogger]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-05-23 09:29:47,729 WARN L146 ILogger]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-05-23 09:29:47,738 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 44 select indices, 44 select index equivalence classes, 990 disjoint index pairs (out of 946 index pairs), introduced 44 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 358 [2019-05-23 09:29:47,739 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:29:47,891 WARN L146 ILogger]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-05-23 09:29:47,892 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:29:47,892 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:29:47,892 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:230, output treesize:229 [2019-05-23 09:29:48,274 WARN L146 ILogger]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-05-23 09:29:48,658 WARN L146 ILogger]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-05-23 09:29:49,046 WARN L146 ILogger]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-05-23 09:29:49,454 WARN L146 ILogger]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-05-23 09:29:49,859 INFO L146 ILogger]: Checked inductivity of 3015 backedges. 0 proven. 3015 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:29:49,859 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:29:49,859 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [93] total 93 [2019-05-23 09:29:49,859 INFO L146 ILogger]: Interpolant automaton has 95 states [2019-05-23 09:29:49,860 INFO L146 ILogger]: Constructing interpolant automaton starting with 95 interpolants. [2019-05-23 09:29:49,860 INFO L146 ILogger]: CoverageRelationStatistics Valid=233, Invalid=8697, Unknown=0, NotChecked=0, Total=8930 [2019-05-23 09:29:49,860 INFO L146 ILogger]: Start difference. First operand 141 states and 141 transitions. Second operand 95 states. [2019-05-23 09:30:02,009 WARN L146 ILogger]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-05-23 09:30:02,486 WARN L146 ILogger]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-05-23 09:30:02,561 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:30:02,561 INFO L146 ILogger]: Finished difference Result 148 states and 148 transitions. [2019-05-23 09:30:02,561 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2019-05-23 09:30:02,562 INFO L146 ILogger]: Start accepts. Automaton has 95 states. Word has length 140 [2019-05-23 09:30:02,562 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:30:02,563 INFO L146 ILogger]: With dead ends: 148 [2019-05-23 09:30:02,563 INFO L146 ILogger]: Without dead ends: 146 [2019-05-23 09:30:02,563 INFO L146 ILogger]: 0 DeclaredPredicates, 141 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2207 ImplicationChecksByTransitivity, 16.1s TimeCoverageRelationStatistics Valid=243, Invalid=9069, Unknown=0, NotChecked=0, Total=9312 [2019-05-23 09:30:02,564 INFO L146 ILogger]: Start minimizeSevpa. Operand 146 states. [2019-05-23 09:30:02,566 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 146 to 144. [2019-05-23 09:30:02,566 INFO L146 ILogger]: Start removeUnreachable. Operand 144 states. [2019-05-23 09:30:02,566 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 144 states to 144 states and 144 transitions. [2019-05-23 09:30:02,566 INFO L146 ILogger]: Start accepts. Automaton has 144 states and 144 transitions. Word has length 140 [2019-05-23 09:30:02,567 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:30:02,567 INFO L146 ILogger]: Abstraction has 144 states and 144 transitions. [2019-05-23 09:30:02,567 INFO L146 ILogger]: Interpolant automaton has 95 states. [2019-05-23 09:30:02,567 INFO L146 ILogger]: Start isEmpty. Operand 144 states and 144 transitions. [2019-05-23 09:30:02,567 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 144 [2019-05-23 09:30:02,567 INFO L146 ILogger]: Found error trace [2019-05-23 09:30:02,568 INFO L146 ILogger]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1] [2019-05-23 09:30:02,568 INFO L146 ILogger]: === Iteration 47 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:30:02,568 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:30:02,568 INFO L146 ILogger]: Analyzing trace with hash 158095048, now seen corresponding path program 46 times [2019-05-23 09:30:02,568 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:30:03,516 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:30:03,537 WARN L146 ILogger]: Trace formula consists of 194 conjuncts, 143 conjunts are in the unsatisfiable core [2019-05-23 09:30:03,539 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:30:03,560 INFO L146 ILogger]: 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 [2019-05-23 09:30:03,561 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:03,567 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:03,567 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:03,567 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:30:03,590 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:30:03,591 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:03,597 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:03,597 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:03,597 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:30:03,615 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:30:03,615 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:03,622 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:03,623 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:03,623 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:30:03,647 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:30:03,647 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:03,656 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:03,656 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:03,656 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:30:03,688 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:30:03,688 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:03,698 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:03,699 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:03,699 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:30:03,737 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:30:03,737 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:03,749 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:03,750 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:03,750 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:30:03,798 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:30:03,798 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:03,812 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:03,813 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:03,813 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:30:03,876 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:30:03,877 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:03,892 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:03,892 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:03,892 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:30:03,953 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:30:03,953 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:03,971 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:03,971 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:03,971 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:30:04,044 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:30:04,045 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:04,065 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:04,066 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:04,066 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:30:04,149 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:30:04,150 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:04,200 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:04,200 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:04,200 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:30:04,291 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:30:04,292 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:04,316 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:04,316 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:04,316 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:30:04,471 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:30:04,472 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:04,834 WARN L146 ILogger]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-05-23 09:30:04,834 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:04,834 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:04,835 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:30:05,678 WARN L146 ILogger]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-05-23 09:30:06,530 WARN L146 ILogger]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-05-23 09:30:06,568 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:30:06,568 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:06,717 WARN L146 ILogger]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-05-23 09:30:06,718 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:06,718 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:06,718 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:30:06,905 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:30:06,905 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:06,944 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:06,944 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:06,944 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:30:07,102 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:30:07,103 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:07,141 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:07,141 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:07,142 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:30:07,301 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:30:07,302 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:07,343 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:07,343 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:07,344 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:30:07,520 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:30:07,521 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:07,562 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:07,562 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:07,563 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:30:07,757 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:30:07,758 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:07,803 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:07,804 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:07,804 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:30:08,011 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:30:08,012 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:08,059 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:08,059 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:08,059 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:30:08,289 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:30:08,289 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:08,339 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:08,339 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:08,340 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:30:08,588 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:30:08,589 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:08,647 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:08,648 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:08,648 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:30:08,923 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:30:08,923 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:08,979 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:08,979 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:08,979 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:30:09,265 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:30:09,266 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:09,331 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:09,331 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:09,332 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:30:09,638 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:30:09,639 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:09,705 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:09,706 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:09,706 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:30:10,025 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:30:10,027 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:10,096 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:10,097 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:10,097 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:30:10,460 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-05-23 09:30:10,461 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:10,531 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:10,531 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:10,531 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-05-23 09:30:10,899 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-05-23 09:30:10,900 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:11,000 WARN L146 ILogger]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-05-23 09:30:11,001 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:11,001 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:11,001 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-05-23 09:30:11,381 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-05-23 09:30:11,382 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:11,461 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:11,461 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:11,462 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-05-23 09:30:11,869 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-05-23 09:30:11,870 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:11,972 WARN L146 ILogger]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-05-23 09:30:11,972 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:11,973 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:11,973 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-05-23 09:30:12,414 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-05-23 09:30:12,415 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:12,506 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:12,507 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:12,507 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-05-23 09:30:12,954 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-05-23 09:30:12,956 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:13,053 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:13,053 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:13,054 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-05-23 09:30:13,509 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-05-23 09:30:13,510 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:13,607 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:13,608 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:13,608 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-05-23 09:30:14,101 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-05-23 09:30:14,102 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:14,201 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:14,201 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:14,201 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-05-23 09:30:14,695 WARN L146 ILogger]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-05-23 09:30:14,701 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-05-23 09:30:14,702 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:14,804 WARN L146 ILogger]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:30:14,804 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:14,805 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:14,805 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-05-23 09:30:15,075 WARN L146 ILogger]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:30:15,335 WARN L146 ILogger]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-05-23 09:30:15,342 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-05-23 09:30:15,343 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:15,456 WARN L146 ILogger]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:30:15,456 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:15,457 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:15,457 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-05-23 09:30:15,745 WARN L146 ILogger]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:30:16,254 WARN L146 ILogger]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-05-23 09:30:16,261 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 36 select indices, 36 select index equivalence classes, 666 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 294 [2019-05-23 09:30:16,262 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:16,377 WARN L146 ILogger]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:30:16,377 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:16,378 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:16,378 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2019-05-23 09:30:16,656 WARN L146 ILogger]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:30:16,947 WARN L146 ILogger]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-05-23 09:30:16,954 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 37 select indices, 37 select index equivalence classes, 703 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 302 [2019-05-23 09:30:16,955 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:17,091 WARN L146 ILogger]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:30:17,092 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:17,092 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:17,092 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:194 [2019-05-23 09:30:17,424 WARN L146 ILogger]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:30:17,732 WARN L146 ILogger]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-05-23 09:30:17,740 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 38 select indices, 38 select index equivalence classes, 741 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 310 [2019-05-23 09:30:17,741 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:17,867 WARN L146 ILogger]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:30:17,867 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:17,868 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:17,868 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:200, output treesize:199 [2019-05-23 09:30:18,179 WARN L146 ILogger]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:30:18,500 WARN L146 ILogger]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-05-23 09:30:18,507 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 39 select indices, 39 select index equivalence classes, 780 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 318 [2019-05-23 09:30:18,508 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:18,639 WARN L146 ILogger]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:30:18,639 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:18,639 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:18,640 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:205, output treesize:204 [2019-05-23 09:30:18,995 WARN L146 ILogger]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:30:19,318 WARN L146 ILogger]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-05-23 09:30:19,327 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 40 select indices, 40 select index equivalence classes, 820 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 326 [2019-05-23 09:30:19,328 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:19,457 WARN L146 ILogger]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:30:19,458 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:19,458 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:19,458 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:210, output treesize:209 [2019-05-23 09:30:19,800 WARN L146 ILogger]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:30:20,150 WARN L146 ILogger]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-05-23 09:30:20,158 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 41 select indices, 41 select index equivalence classes, 861 disjoint index pairs (out of 820 index pairs), introduced 41 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 334 [2019-05-23 09:30:20,159 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:20,299 WARN L146 ILogger]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-05-23 09:30:20,299 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:20,300 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:20,300 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:215, output treesize:214 [2019-05-23 09:30:20,653 WARN L146 ILogger]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-05-23 09:30:21,008 WARN L146 ILogger]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-05-23 09:30:21,016 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 42 select indices, 42 select index equivalence classes, 903 disjoint index pairs (out of 861 index pairs), introduced 42 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 342 [2019-05-23 09:30:21,017 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:21,159 WARN L146 ILogger]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-05-23 09:30:21,159 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:21,160 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:21,160 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:220, output treesize:219 [2019-05-23 09:30:21,535 WARN L146 ILogger]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-05-23 09:30:21,900 WARN L146 ILogger]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-05-23 09:30:21,908 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 43 select indices, 43 select index equivalence classes, 946 disjoint index pairs (out of 903 index pairs), introduced 43 new quantified variables, introduced 0 case distinctions, treesize of input 222 treesize of output 350 [2019-05-23 09:30:21,909 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:22,057 WARN L146 ILogger]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-05-23 09:30:22,058 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:22,058 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:22,059 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:225, output treesize:224 [2019-05-23 09:30:22,477 WARN L146 ILogger]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-05-23 09:30:22,858 WARN L146 ILogger]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-05-23 09:30:22,868 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 44 select indices, 44 select index equivalence classes, 990 disjoint index pairs (out of 946 index pairs), introduced 44 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 358 [2019-05-23 09:30:22,869 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:23,038 WARN L146 ILogger]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-05-23 09:30:23,038 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:23,039 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:23,039 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:230, output treesize:229 [2019-05-23 09:30:23,432 WARN L146 ILogger]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-05-23 09:30:23,829 WARN L146 ILogger]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-05-23 09:30:23,837 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 45 select indices, 45 select index equivalence classes, 1035 disjoint index pairs (out of 990 index pairs), introduced 45 new quantified variables, introduced 0 case distinctions, treesize of input 232 treesize of output 366 [2019-05-23 09:30:23,838 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:23,999 WARN L146 ILogger]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-05-23 09:30:23,999 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:23,999 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:24,000 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:235, output treesize:234 [2019-05-23 09:30:24,407 WARN L146 ILogger]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-05-23 09:30:24,825 WARN L146 ILogger]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-05-23 09:30:25,232 WARN L146 ILogger]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-05-23 09:30:25,654 WARN L146 ILogger]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-05-23 09:30:26,084 INFO L146 ILogger]: Checked inductivity of 3151 backedges. 0 proven. 3151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:30:26,084 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:30:26,085 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [95] total 95 [2019-05-23 09:30:26,085 INFO L146 ILogger]: Interpolant automaton has 97 states [2019-05-23 09:30:26,085 INFO L146 ILogger]: Constructing interpolant automaton starting with 97 interpolants. [2019-05-23 09:30:26,085 INFO L146 ILogger]: CoverageRelationStatistics Valid=238, Invalid=9074, Unknown=0, NotChecked=0, Total=9312 [2019-05-23 09:30:26,085 INFO L146 ILogger]: Start difference. First operand 144 states and 144 transitions. Second operand 97 states. [2019-05-23 09:30:38,936 WARN L146 ILogger]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-05-23 09:30:39,436 WARN L146 ILogger]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-05-23 09:30:39,507 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:30:39,508 INFO L146 ILogger]: Finished difference Result 151 states and 151 transitions. [2019-05-23 09:30:39,508 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2019-05-23 09:30:39,508 INFO L146 ILogger]: Start accepts. Automaton has 97 states. Word has length 143 [2019-05-23 09:30:39,509 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:30:39,509 INFO L146 ILogger]: With dead ends: 151 [2019-05-23 09:30:39,509 INFO L146 ILogger]: Without dead ends: 149 [2019-05-23 09:30:39,510 INFO L146 ILogger]: 0 DeclaredPredicates, 144 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2302 ImplicationChecksByTransitivity, 18.5s TimeCoverageRelationStatistics Valid=248, Invalid=9454, Unknown=0, NotChecked=0, Total=9702 [2019-05-23 09:30:39,510 INFO L146 ILogger]: Start minimizeSevpa. Operand 149 states. [2019-05-23 09:30:39,512 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 149 to 147. [2019-05-23 09:30:39,512 INFO L146 ILogger]: Start removeUnreachable. Operand 147 states. [2019-05-23 09:30:39,512 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 147 states to 147 states and 147 transitions. [2019-05-23 09:30:39,513 INFO L146 ILogger]: Start accepts. Automaton has 147 states and 147 transitions. Word has length 143 [2019-05-23 09:30:39,513 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:30:39,513 INFO L146 ILogger]: Abstraction has 147 states and 147 transitions. [2019-05-23 09:30:39,513 INFO L146 ILogger]: Interpolant automaton has 97 states. [2019-05-23 09:30:39,513 INFO L146 ILogger]: Start isEmpty. Operand 147 states and 147 transitions. [2019-05-23 09:30:39,513 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 147 [2019-05-23 09:30:39,513 INFO L146 ILogger]: Found error trace [2019-05-23 09:30:39,514 INFO L146 ILogger]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1] [2019-05-23 09:30:39,514 INFO L146 ILogger]: === Iteration 48 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:30:39,514 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:30:39,514 INFO L146 ILogger]: Analyzing trace with hash -1887869626, now seen corresponding path program 47 times [2019-05-23 09:30:39,514 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:30:40,215 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:30:40,238 WARN L146 ILogger]: Trace formula consists of 198 conjuncts, 146 conjunts are in the unsatisfiable core [2019-05-23 09:30:40,240 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:30:40,251 INFO L146 ILogger]: 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 [2019-05-23 09:30:40,251 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:40,260 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:40,260 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:40,260 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:30:40,287 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:30:40,288 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:40,293 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:40,293 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:40,293 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:30:40,314 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:30:40,315 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:40,322 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:40,322 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:40,322 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:30:40,347 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:30:40,347 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:40,355 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:40,355 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:40,355 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:30:40,386 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:30:40,386 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:40,397 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:40,397 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:40,397 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:30:40,437 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:30:40,437 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:40,449 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:40,449 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:40,449 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:30:40,498 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:30:40,499 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:40,512 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:40,512 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:40,513 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:30:40,570 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:30:40,570 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:40,586 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:40,586 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:40,587 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:30:40,651 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:30:40,652 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:40,670 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:40,671 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:40,671 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:30:40,743 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:30:40,743 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:40,763 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:40,764 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:40,764 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:30:40,841 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:30:40,842 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:40,864 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:40,864 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:40,864 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:30:40,956 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:30:40,956 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:40,980 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:40,981 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:40,981 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:30:41,087 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:30:41,088 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:41,114 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:41,115 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:41,115 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:30:41,230 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:30:41,231 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:41,261 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:41,262 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:41,262 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:30:41,397 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:30:41,398 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:41,430 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:41,431 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:41,431 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:30:41,569 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:30:41,570 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:41,605 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:41,605 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:41,605 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:30:41,757 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:30:41,757 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:41,796 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:41,797 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:41,797 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:30:41,970 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:30:41,971 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:42,015 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:42,015 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:42,015 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:30:42,204 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:30:42,205 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:42,250 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:42,251 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:42,251 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:30:42,494 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:30:42,495 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:42,542 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:42,543 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:42,543 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:30:42,816 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:30:42,817 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:42,877 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:42,877 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:42,878 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:30:43,145 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:30:43,146 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:43,200 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:43,200 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:43,200 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:30:43,456 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:30:43,457 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:43,517 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:43,518 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:43,518 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:30:43,792 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:30:43,793 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:43,857 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:43,857 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:43,857 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:30:44,152 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:30:44,153 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:44,219 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:44,220 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:44,220 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:30:44,538 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:30:44,539 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:44,609 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:44,609 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:44,609 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:30:44,935 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-05-23 09:30:44,936 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:45,012 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:45,012 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:45,013 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-05-23 09:30:45,366 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-05-23 09:30:45,368 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:45,446 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:45,446 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:45,447 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-05-23 09:30:45,651 WARN L146 ILogger]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-05-23 09:30:45,834 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-05-23 09:30:45,835 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:45,916 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:45,916 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:45,917 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-05-23 09:30:46,324 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-05-23 09:30:46,325 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:46,410 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:46,411 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:46,411 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-05-23 09:30:46,829 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-05-23 09:30:46,831 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:46,919 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:46,919 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:46,920 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-05-23 09:30:47,368 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-05-23 09:30:47,369 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:47,463 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:47,463 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:47,463 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-05-23 09:30:47,979 WARN L146 ILogger]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-05-23 09:30:47,986 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-05-23 09:30:47,987 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:48,099 WARN L146 ILogger]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-05-23 09:30:48,099 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:48,099 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:48,100 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-05-23 09:30:48,583 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-05-23 09:30:48,584 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:48,686 WARN L146 ILogger]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:30:48,686 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:48,687 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:48,687 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-05-23 09:30:48,937 WARN L146 ILogger]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:30:49,200 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-05-23 09:30:49,201 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:49,309 WARN L146 ILogger]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:30:49,309 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:49,310 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:49,310 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-05-23 09:30:49,572 WARN L146 ILogger]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:30:49,829 WARN L146 ILogger]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-05-23 09:30:49,837 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-05-23 09:30:49,838 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:49,946 WARN L146 ILogger]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:30:49,946 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:49,946 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:49,947 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-05-23 09:30:50,222 WARN L146 ILogger]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:30:50,505 WARN L146 ILogger]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-05-23 09:30:50,512 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 36 select indices, 36 select index equivalence classes, 666 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 294 [2019-05-23 09:30:50,513 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:50,628 WARN L146 ILogger]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:30:50,628 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:50,629 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:50,629 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2019-05-23 09:30:50,924 WARN L146 ILogger]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:30:51,217 WARN L146 ILogger]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-05-23 09:30:51,225 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 37 select indices, 37 select index equivalence classes, 703 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 302 [2019-05-23 09:30:51,226 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:51,349 WARN L146 ILogger]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:30:51,350 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:51,350 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:51,350 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:194 [2019-05-23 09:30:51,669 WARN L146 ILogger]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:30:51,975 WARN L146 ILogger]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-05-23 09:30:51,983 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 38 select indices, 38 select index equivalence classes, 741 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 310 [2019-05-23 09:30:51,984 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:52,111 WARN L146 ILogger]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:30:52,112 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:52,112 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:52,112 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:200, output treesize:199 [2019-05-23 09:30:52,431 WARN L146 ILogger]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:30:52,761 WARN L146 ILogger]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-05-23 09:30:52,769 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 39 select indices, 39 select index equivalence classes, 780 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 318 [2019-05-23 09:30:52,770 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:52,914 WARN L146 ILogger]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:30:52,914 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:52,915 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:52,915 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:205, output treesize:204 [2019-05-23 09:30:53,278 WARN L146 ILogger]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:30:53,612 WARN L146 ILogger]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-05-23 09:30:53,620 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 40 select indices, 40 select index equivalence classes, 820 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 326 [2019-05-23 09:30:53,622 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:53,775 WARN L146 ILogger]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:30:53,775 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:53,776 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:53,776 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:210, output treesize:209 [2019-05-23 09:30:54,117 WARN L146 ILogger]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:30:54,463 WARN L146 ILogger]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-05-23 09:30:54,470 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 41 select indices, 41 select index equivalence classes, 861 disjoint index pairs (out of 820 index pairs), introduced 41 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 334 [2019-05-23 09:30:54,471 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:54,611 WARN L146 ILogger]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-05-23 09:30:54,611 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:54,612 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:54,612 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:215, output treesize:214 [2019-05-23 09:30:54,971 WARN L146 ILogger]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-05-23 09:30:55,332 WARN L146 ILogger]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-05-23 09:30:55,341 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 42 select indices, 42 select index equivalence classes, 903 disjoint index pairs (out of 861 index pairs), introduced 42 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 342 [2019-05-23 09:30:55,342 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:55,485 WARN L146 ILogger]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-05-23 09:30:55,485 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:55,486 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:55,486 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:220, output treesize:219 [2019-05-23 09:30:55,858 WARN L146 ILogger]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-05-23 09:30:56,239 WARN L146 ILogger]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-05-23 09:30:56,248 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 43 select indices, 43 select index equivalence classes, 946 disjoint index pairs (out of 903 index pairs), introduced 43 new quantified variables, introduced 0 case distinctions, treesize of input 222 treesize of output 350 [2019-05-23 09:30:56,249 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:56,396 WARN L146 ILogger]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-05-23 09:30:56,396 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:56,397 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:56,397 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:225, output treesize:224 [2019-05-23 09:30:56,780 WARN L146 ILogger]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-05-23 09:30:57,179 WARN L146 ILogger]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-05-23 09:30:57,187 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 44 select indices, 44 select index equivalence classes, 990 disjoint index pairs (out of 946 index pairs), introduced 44 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 358 [2019-05-23 09:30:57,188 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:57,345 WARN L146 ILogger]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-05-23 09:30:57,345 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:57,346 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:57,346 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:230, output treesize:229 [2019-05-23 09:30:57,746 WARN L146 ILogger]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-05-23 09:30:58,169 WARN L146 ILogger]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-05-23 09:30:58,178 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 45 select indices, 45 select index equivalence classes, 1035 disjoint index pairs (out of 990 index pairs), introduced 45 new quantified variables, introduced 0 case distinctions, treesize of input 232 treesize of output 366 [2019-05-23 09:30:58,179 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:58,343 WARN L146 ILogger]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-05-23 09:30:58,343 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:58,344 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:58,344 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:235, output treesize:234 [2019-05-23 09:30:58,762 WARN L146 ILogger]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-05-23 09:30:59,189 WARN L146 ILogger]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-05-23 09:30:59,198 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 46 select indices, 46 select index equivalence classes, 1081 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 374 [2019-05-23 09:30:59,200 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:30:59,368 WARN L146 ILogger]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-05-23 09:30:59,369 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:30:59,369 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:30:59,369 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:240, output treesize:239 [2019-05-23 09:30:59,789 WARN L146 ILogger]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-05-23 09:31:00,225 WARN L146 ILogger]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-05-23 09:31:00,657 WARN L146 ILogger]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-05-23 09:31:01,105 WARN L146 ILogger]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-05-23 09:31:01,564 INFO L146 ILogger]: Checked inductivity of 3290 backedges. 0 proven. 3290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:31:01,565 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:31:01,565 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [97] total 97 [2019-05-23 09:31:01,565 INFO L146 ILogger]: Interpolant automaton has 99 states [2019-05-23 09:31:01,565 INFO L146 ILogger]: Constructing interpolant automaton starting with 99 interpolants. [2019-05-23 09:31:01,565 INFO L146 ILogger]: CoverageRelationStatistics Valid=243, Invalid=9459, Unknown=0, NotChecked=0, Total=9702 [2019-05-23 09:31:01,565 INFO L146 ILogger]: Start difference. First operand 147 states and 147 transitions. Second operand 99 states. [2019-05-23 09:31:14,375 WARN L146 ILogger]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-05-23 09:31:14,877 WARN L146 ILogger]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-05-23 09:31:14,958 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:31:14,958 INFO L146 ILogger]: Finished difference Result 154 states and 154 transitions. [2019-05-23 09:31:14,958 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2019-05-23 09:31:14,959 INFO L146 ILogger]: Start accepts. Automaton has 99 states. Word has length 146 [2019-05-23 09:31:14,959 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:31:14,960 INFO L146 ILogger]: With dead ends: 154 [2019-05-23 09:31:14,960 INFO L146 ILogger]: Without dead ends: 152 [2019-05-23 09:31:14,961 INFO L146 ILogger]: 0 DeclaredPredicates, 147 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2399 ImplicationChecksByTransitivity, 17.6s TimeCoverageRelationStatistics Valid=253, Invalid=9847, Unknown=0, NotChecked=0, Total=10100 [2019-05-23 09:31:14,961 INFO L146 ILogger]: Start minimizeSevpa. Operand 152 states. [2019-05-23 09:31:14,963 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 152 to 150. [2019-05-23 09:31:14,963 INFO L146 ILogger]: Start removeUnreachable. Operand 150 states. [2019-05-23 09:31:14,963 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 150 states to 150 states and 150 transitions. [2019-05-23 09:31:14,963 INFO L146 ILogger]: Start accepts. Automaton has 150 states and 150 transitions. Word has length 146 [2019-05-23 09:31:14,964 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:31:14,964 INFO L146 ILogger]: Abstraction has 150 states and 150 transitions. [2019-05-23 09:31:14,964 INFO L146 ILogger]: Interpolant automaton has 99 states. [2019-05-23 09:31:14,964 INFO L146 ILogger]: Start isEmpty. Operand 150 states and 150 transitions. [2019-05-23 09:31:14,965 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 150 [2019-05-23 09:31:14,965 INFO L146 ILogger]: Found error trace [2019-05-23 09:31:14,965 INFO L146 ILogger]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1] [2019-05-23 09:31:14,965 INFO L146 ILogger]: === Iteration 49 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:31:14,965 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:31:14,965 INFO L146 ILogger]: Analyzing trace with hash 954392072, now seen corresponding path program 48 times [2019-05-23 09:31:14,966 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:31:15,688 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:31:15,708 WARN L146 ILogger]: Trace formula consists of 202 conjuncts, 149 conjunts are in the unsatisfiable core [2019-05-23 09:31:15,710 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:31:15,724 INFO L146 ILogger]: 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 [2019-05-23 09:31:15,724 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:15,734 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:15,734 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:15,734 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:31:15,755 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:31:15,756 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:15,761 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:15,761 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:15,762 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:31:15,780 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:31:15,781 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:15,788 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:15,788 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:15,788 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:31:15,813 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:31:15,814 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:15,822 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:15,822 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:15,823 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:31:15,854 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:31:15,854 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:15,864 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:15,865 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:15,865 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:31:15,907 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:31:15,907 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:15,919 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:15,920 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:15,920 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:31:15,968 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:31:15,968 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:15,981 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:15,982 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:15,982 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:31:16,038 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:31:16,038 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:16,053 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:16,053 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:16,054 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:31:16,117 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:31:16,118 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:16,135 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:16,136 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:16,136 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:31:16,210 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:31:16,211 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:16,231 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:16,231 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:16,232 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:31:16,319 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:31:16,319 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:16,342 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:16,342 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:16,343 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:31:16,433 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:31:16,433 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:16,458 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:16,458 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:16,458 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:31:16,561 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:31:16,562 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:16,588 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:16,589 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:16,589 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:31:16,710 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:31:16,711 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:16,742 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:16,743 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:16,743 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:31:16,870 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:31:16,871 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:16,903 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:16,903 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:16,904 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:31:17,054 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:31:17,055 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:17,092 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:17,093 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:17,093 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:31:17,242 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:31:17,242 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:17,281 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:17,282 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:17,282 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:31:17,457 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:31:17,458 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:17,497 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:17,497 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:17,497 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:31:17,681 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:31:17,681 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:17,724 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:17,724 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:17,725 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:31:17,929 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:31:17,930 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:17,978 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:17,978 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:17,979 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:31:18,190 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:31:18,191 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:18,243 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:18,243 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:18,244 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:31:18,497 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:31:18,498 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:18,567 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:18,567 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:18,567 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:31:18,890 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:31:18,891 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:18,952 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:18,952 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:18,952 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:31:19,230 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:31:19,231 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:19,290 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:19,291 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:19,291 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:31:19,590 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:31:19,591 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:19,656 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:19,657 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:19,657 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:31:19,974 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:31:19,975 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:20,048 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:20,048 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:20,048 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:31:20,383 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-05-23 09:31:20,385 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:20,460 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:20,461 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:20,461 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-05-23 09:31:20,823 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-05-23 09:31:20,824 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:20,903 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:20,903 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:20,904 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-05-23 09:31:21,300 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-05-23 09:31:21,301 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:21,409 WARN L146 ILogger]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-05-23 09:31:21,409 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:21,410 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:21,410 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-05-23 09:31:21,811 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-05-23 09:31:21,812 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:21,898 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:21,898 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:21,899 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-05-23 09:31:22,342 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-05-23 09:31:22,343 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:22,434 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:22,435 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:22,435 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-05-23 09:31:22,887 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-05-23 09:31:22,888 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:22,985 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:22,985 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:22,986 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-05-23 09:31:23,453 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-05-23 09:31:23,454 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:23,554 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:23,554 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:23,555 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-05-23 09:31:23,848 WARN L146 ILogger]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-05-23 09:31:24,111 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-05-23 09:31:24,112 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:24,214 WARN L146 ILogger]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:31:24,214 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:24,214 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:24,214 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-05-23 09:31:24,482 WARN L146 ILogger]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:31:24,748 WARN L146 ILogger]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-05-23 09:31:24,756 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-05-23 09:31:24,758 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:24,865 WARN L146 ILogger]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:31:24,865 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:24,865 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:24,866 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-05-23 09:31:25,136 WARN L146 ILogger]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:31:25,401 WARN L146 ILogger]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-05-23 09:31:25,408 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-05-23 09:31:25,410 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:25,523 WARN L146 ILogger]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:31:25,524 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:25,524 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:25,524 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-05-23 09:31:25,802 WARN L146 ILogger]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:31:26,079 WARN L146 ILogger]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-05-23 09:31:26,087 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 36 select indices, 36 select index equivalence classes, 666 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 294 [2019-05-23 09:31:26,088 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:26,200 WARN L146 ILogger]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:31:26,200 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:26,201 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:26,201 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2019-05-23 09:31:26,486 WARN L146 ILogger]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:31:26,779 WARN L146 ILogger]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-05-23 09:31:26,786 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 37 select indices, 37 select index equivalence classes, 703 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 302 [2019-05-23 09:31:26,787 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:26,909 WARN L146 ILogger]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:31:26,909 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:26,910 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:26,910 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:194 [2019-05-23 09:31:27,214 WARN L146 ILogger]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:31:27,521 WARN L146 ILogger]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-05-23 09:31:27,528 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 38 select indices, 38 select index equivalence classes, 741 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 310 [2019-05-23 09:31:27,529 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:27,652 WARN L146 ILogger]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:31:27,652 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:27,653 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:27,653 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:200, output treesize:199 [2019-05-23 09:31:27,966 WARN L146 ILogger]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:31:28,287 WARN L146 ILogger]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-05-23 09:31:28,295 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 39 select indices, 39 select index equivalence classes, 780 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 318 [2019-05-23 09:31:28,296 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:28,419 WARN L146 ILogger]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:31:28,419 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:28,420 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:28,420 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:205, output treesize:204 [2019-05-23 09:31:28,755 WARN L146 ILogger]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:31:29,133 WARN L146 ILogger]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-05-23 09:31:29,141 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 40 select indices, 40 select index equivalence classes, 820 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 326 [2019-05-23 09:31:29,142 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:29,277 WARN L146 ILogger]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:31:29,278 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:29,278 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:29,278 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:210, output treesize:209 [2019-05-23 09:31:29,612 WARN L146 ILogger]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:31:29,987 WARN L146 ILogger]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-05-23 09:31:29,995 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 41 select indices, 41 select index equivalence classes, 861 disjoint index pairs (out of 820 index pairs), introduced 41 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 334 [2019-05-23 09:31:29,996 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:30,137 WARN L146 ILogger]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-05-23 09:31:30,137 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:30,138 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:30,138 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:215, output treesize:214 [2019-05-23 09:31:30,483 WARN L146 ILogger]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-05-23 09:31:30,843 WARN L146 ILogger]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-05-23 09:31:30,852 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 42 select indices, 42 select index equivalence classes, 903 disjoint index pairs (out of 861 index pairs), introduced 42 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 342 [2019-05-23 09:31:30,853 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:30,997 WARN L146 ILogger]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-05-23 09:31:30,997 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:30,998 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:30,998 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:220, output treesize:219 [2019-05-23 09:31:31,364 WARN L146 ILogger]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-05-23 09:31:31,744 WARN L146 ILogger]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-05-23 09:31:31,753 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 43 select indices, 43 select index equivalence classes, 946 disjoint index pairs (out of 903 index pairs), introduced 43 new quantified variables, introduced 0 case distinctions, treesize of input 222 treesize of output 350 [2019-05-23 09:31:31,754 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:31,904 WARN L146 ILogger]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-05-23 09:31:31,904 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:31,905 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:31,905 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:225, output treesize:224 [2019-05-23 09:31:32,286 WARN L146 ILogger]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-05-23 09:31:32,672 WARN L146 ILogger]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-05-23 09:31:32,680 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 44 select indices, 44 select index equivalence classes, 990 disjoint index pairs (out of 946 index pairs), introduced 44 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 358 [2019-05-23 09:31:32,681 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:32,831 WARN L146 ILogger]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-05-23 09:31:32,831 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:32,832 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:32,832 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:230, output treesize:229 [2019-05-23 09:31:33,238 WARN L146 ILogger]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-05-23 09:31:33,634 WARN L146 ILogger]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-05-23 09:31:33,642 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 45 select indices, 45 select index equivalence classes, 1035 disjoint index pairs (out of 990 index pairs), introduced 45 new quantified variables, introduced 0 case distinctions, treesize of input 232 treesize of output 366 [2019-05-23 09:31:33,643 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:33,811 WARN L146 ILogger]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-05-23 09:31:33,811 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:33,812 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:33,812 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:235, output treesize:234 [2019-05-23 09:31:34,262 WARN L146 ILogger]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-05-23 09:31:34,679 WARN L146 ILogger]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-05-23 09:31:34,689 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 46 select indices, 46 select index equivalence classes, 1081 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 374 [2019-05-23 09:31:34,690 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:34,856 WARN L146 ILogger]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-05-23 09:31:34,857 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:34,857 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:34,857 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:240, output treesize:239 [2019-05-23 09:31:35,285 WARN L146 ILogger]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-05-23 09:31:35,704 WARN L146 ILogger]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-05-23 09:31:35,713 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 47 select indices, 47 select index equivalence classes, 1128 disjoint index pairs (out of 1081 index pairs), introduced 47 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 382 [2019-05-23 09:31:35,714 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:35,879 WARN L146 ILogger]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-05-23 09:31:35,880 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:35,880 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:35,881 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:245, output treesize:244 [2019-05-23 09:31:36,325 WARN L146 ILogger]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-05-23 09:31:36,776 WARN L146 ILogger]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-05-23 09:31:37,217 WARN L146 ILogger]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-05-23 09:31:37,662 WARN L146 ILogger]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-05-23 09:31:38,148 INFO L146 ILogger]: Checked inductivity of 3432 backedges. 0 proven. 3432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:31:38,148 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:31:38,148 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [99] total 99 [2019-05-23 09:31:38,148 INFO L146 ILogger]: Interpolant automaton has 101 states [2019-05-23 09:31:38,149 INFO L146 ILogger]: Constructing interpolant automaton starting with 101 interpolants. [2019-05-23 09:31:38,149 INFO L146 ILogger]: CoverageRelationStatistics Valid=248, Invalid=9852, Unknown=0, NotChecked=0, Total=10100 [2019-05-23 09:31:38,149 INFO L146 ILogger]: Start difference. First operand 150 states and 150 transitions. Second operand 101 states. [2019-05-23 09:31:52,467 WARN L146 ILogger]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-05-23 09:31:52,982 WARN L146 ILogger]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-05-23 09:31:53,063 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:31:53,064 INFO L146 ILogger]: Finished difference Result 157 states and 157 transitions. [2019-05-23 09:31:53,064 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2019-05-23 09:31:53,064 INFO L146 ILogger]: Start accepts. Automaton has 101 states. Word has length 149 [2019-05-23 09:31:53,064 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:31:53,065 INFO L146 ILogger]: With dead ends: 157 [2019-05-23 09:31:53,065 INFO L146 ILogger]: Without dead ends: 155 [2019-05-23 09:31:53,066 INFO L146 ILogger]: 0 DeclaredPredicates, 150 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2498 ImplicationChecksByTransitivity, 18.6s TimeCoverageRelationStatistics Valid=258, Invalid=10248, Unknown=0, NotChecked=0, Total=10506 [2019-05-23 09:31:53,067 INFO L146 ILogger]: Start minimizeSevpa. Operand 155 states. [2019-05-23 09:31:53,068 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 155 to 153. [2019-05-23 09:31:53,068 INFO L146 ILogger]: Start removeUnreachable. Operand 153 states. [2019-05-23 09:31:53,069 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 153 states to 153 states and 153 transitions. [2019-05-23 09:31:53,069 INFO L146 ILogger]: Start accepts. Automaton has 153 states and 153 transitions. Word has length 149 [2019-05-23 09:31:53,069 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:31:53,069 INFO L146 ILogger]: Abstraction has 153 states and 153 transitions. [2019-05-23 09:31:53,069 INFO L146 ILogger]: Interpolant automaton has 101 states. [2019-05-23 09:31:53,069 INFO L146 ILogger]: Start isEmpty. Operand 153 states and 153 transitions. [2019-05-23 09:31:53,070 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 153 [2019-05-23 09:31:53,070 INFO L146 ILogger]: Found error trace [2019-05-23 09:31:53,070 INFO L146 ILogger]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1] [2019-05-23 09:31:53,071 INFO L146 ILogger]: === Iteration 50 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:31:53,071 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:31:53,071 INFO L146 ILogger]: Analyzing trace with hash -507603450, now seen corresponding path program 49 times [2019-05-23 09:31:53,071 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:31:53,930 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:31:53,958 WARN L146 ILogger]: Trace formula consists of 206 conjuncts, 152 conjunts are in the unsatisfiable core [2019-05-23 09:31:53,959 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:31:53,973 INFO L146 ILogger]: 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 [2019-05-23 09:31:53,973 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:53,983 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:53,983 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:53,983 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:31:54,004 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:31:54,005 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:54,010 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:54,010 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:54,010 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:31:54,029 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:31:54,030 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:54,036 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:54,037 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:54,037 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:31:54,061 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:31:54,062 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:54,070 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:54,071 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:54,071 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:31:54,102 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:31:54,102 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:54,111 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:54,112 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:54,112 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:31:54,149 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:31:54,150 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:54,162 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:54,163 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:54,163 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:31:54,210 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:31:54,210 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:54,224 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:54,225 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:54,225 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:31:54,291 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:31:54,291 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:54,315 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:54,316 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:54,316 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:31:54,443 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:31:54,443 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:54,464 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:54,464 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:54,465 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:31:54,563 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:31:54,563 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:54,592 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:54,592 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:54,593 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:31:54,706 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:31:54,707 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:54,729 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:54,729 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:54,729 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:31:54,823 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:31:54,823 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:54,849 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:54,849 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:54,849 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:31:54,952 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:31:54,953 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:54,981 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:54,981 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:54,982 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:31:55,095 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:31:55,096 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:55,126 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:55,127 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:55,127 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:31:55,251 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:31:55,251 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:55,284 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:55,285 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:55,285 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:31:55,434 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:31:55,435 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:55,471 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:55,471 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:55,471 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:31:55,624 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:31:55,625 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:55,664 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:55,664 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:55,664 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:31:55,838 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:31:55,839 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:55,879 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:55,880 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:55,880 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:31:56,065 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:31:56,066 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:56,110 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:56,110 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:56,110 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:31:56,316 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:31:56,317 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:56,365 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:56,366 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:56,366 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:31:56,587 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:31:56,588 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:56,637 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:56,638 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:56,638 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:31:56,877 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:31:56,878 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:56,934 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:56,934 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:56,934 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:31:57,190 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:31:57,192 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:57,251 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:57,252 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:57,252 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:31:57,548 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:31:57,549 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:57,613 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:57,613 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:57,613 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:31:57,916 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:31:57,917 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:57,985 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:57,985 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:57,985 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:31:58,294 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:31:58,296 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:58,366 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:58,367 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:58,367 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:31:58,692 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-05-23 09:31:58,692 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:58,765 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:58,766 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:58,766 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-05-23 09:31:59,132 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-05-23 09:31:59,133 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:59,210 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:59,210 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:59,210 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-05-23 09:31:59,657 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-05-23 09:31:59,659 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:31:59,776 WARN L146 ILogger]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-05-23 09:31:59,776 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:31:59,776 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:31:59,776 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-05-23 09:32:00,178 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-05-23 09:32:00,179 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:00,262 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:00,263 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:00,263 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-05-23 09:32:00,684 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-05-23 09:32:00,685 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:00,769 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:00,770 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:00,770 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-05-23 09:32:01,209 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-05-23 09:32:01,210 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:01,301 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:01,302 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:01,302 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-05-23 09:32:01,767 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-05-23 09:32:01,768 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:01,869 WARN L146 ILogger]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-05-23 09:32:01,869 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:01,870 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:01,870 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-05-23 09:32:02,360 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-05-23 09:32:02,361 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:02,463 WARN L146 ILogger]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:32:02,463 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:02,464 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:02,464 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-05-23 09:32:02,716 WARN L146 ILogger]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:32:02,971 WARN L146 ILogger]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-05-23 09:32:02,978 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-05-23 09:32:02,979 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:03,083 WARN L146 ILogger]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:32:03,083 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:03,084 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:03,084 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-05-23 09:32:03,351 WARN L146 ILogger]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:32:03,619 WARN L146 ILogger]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-05-23 09:32:03,628 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-05-23 09:32:03,628 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:03,737 WARN L146 ILogger]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:32:03,737 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:03,737 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:03,737 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-05-23 09:32:04,011 WARN L146 ILogger]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:32:04,291 WARN L146 ILogger]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-05-23 09:32:04,298 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 36 select indices, 36 select index equivalence classes, 666 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 294 [2019-05-23 09:32:04,299 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:04,413 WARN L146 ILogger]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:32:04,414 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:04,414 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:04,414 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2019-05-23 09:32:04,712 WARN L146 ILogger]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:32:05,003 WARN L146 ILogger]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-05-23 09:32:05,010 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 37 select indices, 37 select index equivalence classes, 703 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 302 [2019-05-23 09:32:05,011 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:05,129 WARN L146 ILogger]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:32:05,130 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:05,130 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:05,130 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:194 [2019-05-23 09:32:05,439 WARN L146 ILogger]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:32:05,752 WARN L146 ILogger]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-05-23 09:32:05,759 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 38 select indices, 38 select index equivalence classes, 741 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 310 [2019-05-23 09:32:05,760 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:05,882 WARN L146 ILogger]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:32:05,882 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:05,883 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:05,883 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:200, output treesize:199 [2019-05-23 09:32:06,198 WARN L146 ILogger]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:32:06,523 WARN L146 ILogger]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-05-23 09:32:06,531 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 39 select indices, 39 select index equivalence classes, 780 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 318 [2019-05-23 09:32:06,532 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:06,664 WARN L146 ILogger]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:32:06,665 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:06,665 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:06,665 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:205, output treesize:204 [2019-05-23 09:32:06,990 WARN L146 ILogger]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:32:07,330 WARN L146 ILogger]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-05-23 09:32:07,338 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 40 select indices, 40 select index equivalence classes, 820 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 326 [2019-05-23 09:32:07,339 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:07,477 WARN L146 ILogger]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:32:07,478 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:07,478 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:07,479 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:210, output treesize:209 [2019-05-23 09:32:07,820 WARN L146 ILogger]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:32:08,167 WARN L146 ILogger]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-05-23 09:32:08,176 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 41 select indices, 41 select index equivalence classes, 861 disjoint index pairs (out of 820 index pairs), introduced 41 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 334 [2019-05-23 09:32:08,177 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:08,312 WARN L146 ILogger]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-05-23 09:32:08,313 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:08,313 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:08,313 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:215, output treesize:214 [2019-05-23 09:32:08,702 WARN L146 ILogger]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-05-23 09:32:09,045 WARN L146 ILogger]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-05-23 09:32:09,051 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 42 select indices, 42 select index equivalence classes, 903 disjoint index pairs (out of 861 index pairs), introduced 42 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 342 [2019-05-23 09:32:09,052 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:09,196 WARN L146 ILogger]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-05-23 09:32:09,197 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:09,197 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:09,197 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:220, output treesize:219 [2019-05-23 09:32:09,566 WARN L146 ILogger]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-05-23 09:32:09,971 WARN L146 ILogger]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-05-23 09:32:09,980 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 43 select indices, 43 select index equivalence classes, 946 disjoint index pairs (out of 903 index pairs), introduced 43 new quantified variables, introduced 0 case distinctions, treesize of input 222 treesize of output 350 [2019-05-23 09:32:09,981 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:10,135 WARN L146 ILogger]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-05-23 09:32:10,136 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:10,136 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:10,136 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:225, output treesize:224 [2019-05-23 09:32:10,522 WARN L146 ILogger]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-05-23 09:32:10,904 WARN L146 ILogger]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-05-23 09:32:10,912 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 44 select indices, 44 select index equivalence classes, 990 disjoint index pairs (out of 946 index pairs), introduced 44 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 358 [2019-05-23 09:32:10,913 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:11,067 WARN L146 ILogger]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-05-23 09:32:11,068 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:11,068 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:11,069 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:230, output treesize:229 [2019-05-23 09:32:11,478 WARN L146 ILogger]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-05-23 09:32:11,870 WARN L146 ILogger]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-05-23 09:32:11,879 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 45 select indices, 45 select index equivalence classes, 1035 disjoint index pairs (out of 990 index pairs), introduced 45 new quantified variables, introduced 0 case distinctions, treesize of input 232 treesize of output 366 [2019-05-23 09:32:11,880 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:12,033 WARN L146 ILogger]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-05-23 09:32:12,034 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:12,034 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:12,034 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:235, output treesize:234 [2019-05-23 09:32:12,452 WARN L146 ILogger]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-05-23 09:32:12,862 WARN L146 ILogger]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-05-23 09:32:12,884 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 46 select indices, 46 select index equivalence classes, 1081 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 374 [2019-05-23 09:32:12,885 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:13,051 WARN L146 ILogger]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-05-23 09:32:13,051 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:13,052 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:13,052 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:240, output treesize:239 [2019-05-23 09:32:13,468 WARN L146 ILogger]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-05-23 09:32:13,909 WARN L146 ILogger]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-05-23 09:32:13,918 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 47 select indices, 47 select index equivalence classes, 1128 disjoint index pairs (out of 1081 index pairs), introduced 47 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 382 [2019-05-23 09:32:13,919 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:14,092 WARN L146 ILogger]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-05-23 09:32:14,093 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:14,093 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:14,093 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:245, output treesize:244 [2019-05-23 09:32:14,545 WARN L146 ILogger]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-05-23 09:32:15,022 WARN L146 ILogger]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-05-23 09:32:15,032 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 48 select indices, 48 select index equivalence classes, 1176 disjoint index pairs (out of 1128 index pairs), introduced 48 new quantified variables, introduced 0 case distinctions, treesize of input 247 treesize of output 390 [2019-05-23 09:32:15,033 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:15,234 WARN L146 ILogger]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-05-23 09:32:15,235 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:15,235 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:15,235 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:250, output treesize:249 [2019-05-23 09:32:15,713 WARN L146 ILogger]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-05-23 09:32:16,178 WARN L146 ILogger]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-05-23 09:32:16,648 WARN L146 ILogger]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-05-23 09:32:17,128 WARN L146 ILogger]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-05-23 09:32:17,643 INFO L146 ILogger]: Checked inductivity of 3577 backedges. 0 proven. 3577 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:32:17,644 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:32:17,644 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [101] total 101 [2019-05-23 09:32:17,644 INFO L146 ILogger]: Interpolant automaton has 103 states [2019-05-23 09:32:17,644 INFO L146 ILogger]: Constructing interpolant automaton starting with 103 interpolants. [2019-05-23 09:32:17,645 INFO L146 ILogger]: CoverageRelationStatistics Valid=253, Invalid=10253, Unknown=0, NotChecked=0, Total=10506 [2019-05-23 09:32:17,645 INFO L146 ILogger]: Start difference. First operand 153 states and 153 transitions. Second operand 103 states. [2019-05-23 09:32:32,296 WARN L146 ILogger]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-05-23 09:32:32,823 WARN L146 ILogger]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-05-23 09:32:32,909 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:32:32,909 INFO L146 ILogger]: Finished difference Result 160 states and 160 transitions. [2019-05-23 09:32:32,909 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2019-05-23 09:32:32,910 INFO L146 ILogger]: Start accepts. Automaton has 103 states. Word has length 152 [2019-05-23 09:32:32,910 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:32:32,911 INFO L146 ILogger]: With dead ends: 160 [2019-05-23 09:32:32,911 INFO L146 ILogger]: Without dead ends: 158 [2019-05-23 09:32:32,911 INFO L146 ILogger]: 0 DeclaredPredicates, 153 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2599 ImplicationChecksByTransitivity, 19.6s TimeCoverageRelationStatistics Valid=263, Invalid=10657, Unknown=0, NotChecked=0, Total=10920 [2019-05-23 09:32:32,912 INFO L146 ILogger]: Start minimizeSevpa. Operand 158 states. [2019-05-23 09:32:32,913 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 158 to 156. [2019-05-23 09:32:32,914 INFO L146 ILogger]: Start removeUnreachable. Operand 156 states. [2019-05-23 09:32:32,914 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 156 states to 156 states and 156 transitions. [2019-05-23 09:32:32,914 INFO L146 ILogger]: Start accepts. Automaton has 156 states and 156 transitions. Word has length 152 [2019-05-23 09:32:32,914 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:32:32,914 INFO L146 ILogger]: Abstraction has 156 states and 156 transitions. [2019-05-23 09:32:32,914 INFO L146 ILogger]: Interpolant automaton has 103 states. [2019-05-23 09:32:32,914 INFO L146 ILogger]: Start isEmpty. Operand 156 states and 156 transitions. [2019-05-23 09:32:32,915 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 156 [2019-05-23 09:32:32,915 INFO L146 ILogger]: Found error trace [2019-05-23 09:32:32,915 INFO L146 ILogger]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1] [2019-05-23 09:32:32,915 INFO L146 ILogger]: === Iteration 51 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:32:32,915 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:32:32,916 INFO L146 ILogger]: Analyzing trace with hash 447149384, now seen corresponding path program 50 times [2019-05-23 09:32:32,916 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:32:33,766 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:32:33,790 WARN L146 ILogger]: Trace formula consists of 210 conjuncts, 155 conjunts are in the unsatisfiable core [2019-05-23 09:32:33,793 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:32:33,808 INFO L146 ILogger]: 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 [2019-05-23 09:32:33,808 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:33,816 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:33,816 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:33,816 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:32:33,837 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:32:33,838 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:33,843 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:33,843 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:33,843 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:32:33,863 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:32:33,863 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:33,870 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:33,870 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:33,870 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:32:33,895 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:32:33,895 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:33,904 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:33,905 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:33,905 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:32:33,935 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:32:33,936 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:33,946 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:33,946 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:33,946 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:32:33,986 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:32:33,987 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:33,999 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:33,999 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:34,000 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:32:34,048 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:32:34,049 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:34,063 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:34,063 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:34,063 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:32:34,117 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:32:34,118 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:34,134 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:34,134 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:34,134 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:32:34,199 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:32:34,200 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:34,218 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:34,219 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:34,219 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:32:34,290 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:32:34,291 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:34,311 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:34,311 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:34,312 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:32:34,393 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:32:34,394 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:34,418 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:34,418 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:34,418 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:32:34,509 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:32:34,509 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:34,534 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:34,534 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:34,534 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:32:34,640 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:32:34,641 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:34,669 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:34,669 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:34,669 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:32:34,791 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:32:34,792 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:34,822 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:34,823 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:34,823 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:32:34,947 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:32:34,947 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:34,982 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:34,983 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:34,983 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:32:35,121 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:32:35,122 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:35,156 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:35,157 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:35,157 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:32:35,357 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:32:35,357 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:35,407 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:35,407 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:35,407 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:32:35,582 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:32:35,583 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:35,624 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:35,625 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:35,625 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:32:35,826 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:32:35,827 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:35,874 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:35,874 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:35,875 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:32:36,077 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:32:36,078 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:36,122 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:36,122 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:36,122 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:32:36,341 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:32:36,342 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:36,393 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:36,393 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:36,394 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:32:36,635 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:32:36,636 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:36,691 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:36,691 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:36,691 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:32:36,940 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:32:36,941 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:36,998 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:36,999 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:36,999 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:32:37,275 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:32:37,276 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:37,340 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:37,341 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:37,341 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:32:37,632 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:32:37,633 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:37,701 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:37,701 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:37,701 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:32:38,016 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:32:38,018 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:38,084 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:38,085 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:38,085 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:32:38,418 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-05-23 09:32:38,419 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:38,492 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:38,493 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:38,493 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-05-23 09:32:38,851 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-05-23 09:32:38,852 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:38,930 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:38,931 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:38,931 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-05-23 09:32:39,318 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-05-23 09:32:39,319 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:39,402 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:39,402 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:39,403 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-05-23 09:32:39,826 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-05-23 09:32:39,827 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:39,910 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:39,910 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:39,910 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-05-23 09:32:40,335 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-05-23 09:32:40,336 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:40,447 WARN L146 ILogger]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-05-23 09:32:40,447 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:40,448 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:40,448 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-05-23 09:32:40,918 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-05-23 09:32:40,920 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:41,011 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:41,012 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:41,012 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-05-23 09:32:41,473 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-05-23 09:32:41,474 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:41,569 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:41,569 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:41,569 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-05-23 09:32:42,058 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-05-23 09:32:42,059 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:42,155 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:42,156 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:42,156 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-05-23 09:32:42,413 WARN L146 ILogger]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:32:42,673 WARN L146 ILogger]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-05-23 09:32:42,680 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-05-23 09:32:42,681 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:42,787 WARN L146 ILogger]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:32:42,788 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:42,788 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:42,788 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-05-23 09:32:43,059 WARN L146 ILogger]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:32:43,338 WARN L146 ILogger]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-05-23 09:32:43,345 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-05-23 09:32:43,346 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:43,456 WARN L146 ILogger]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:32:43,456 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:43,457 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:43,457 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-05-23 09:32:43,748 WARN L146 ILogger]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:32:44,021 WARN L146 ILogger]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-05-23 09:32:44,030 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 36 select indices, 36 select index equivalence classes, 666 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 294 [2019-05-23 09:32:44,031 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:44,145 WARN L146 ILogger]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:32:44,146 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:44,146 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:44,147 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2019-05-23 09:32:44,442 WARN L146 ILogger]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:32:44,751 WARN L146 ILogger]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-05-23 09:32:44,758 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 37 select indices, 37 select index equivalence classes, 703 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 302 [2019-05-23 09:32:44,759 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:44,885 WARN L146 ILogger]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:32:44,885 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:44,886 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:44,886 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:194 [2019-05-23 09:32:45,203 WARN L146 ILogger]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:32:45,515 WARN L146 ILogger]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-05-23 09:32:45,523 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 38 select indices, 38 select index equivalence classes, 741 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 310 [2019-05-23 09:32:45,524 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:45,655 WARN L146 ILogger]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:32:45,655 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:45,655 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:45,656 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:200, output treesize:199 [2019-05-23 09:32:45,976 WARN L146 ILogger]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:32:46,309 WARN L146 ILogger]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-05-23 09:32:46,318 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 39 select indices, 39 select index equivalence classes, 780 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 318 [2019-05-23 09:32:46,319 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:46,451 WARN L146 ILogger]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:32:46,452 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:46,452 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:46,453 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:205, output treesize:204 [2019-05-23 09:32:46,786 WARN L146 ILogger]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:32:47,121 WARN L146 ILogger]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-05-23 09:32:47,130 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 40 select indices, 40 select index equivalence classes, 820 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 326 [2019-05-23 09:32:47,131 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:47,273 WARN L146 ILogger]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:32:47,274 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:47,274 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:47,274 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:210, output treesize:209 [2019-05-23 09:32:47,619 WARN L146 ILogger]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:32:47,976 WARN L146 ILogger]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-05-23 09:32:47,984 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 41 select indices, 41 select index equivalence classes, 861 disjoint index pairs (out of 820 index pairs), introduced 41 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 334 [2019-05-23 09:32:47,985 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:48,126 WARN L146 ILogger]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-05-23 09:32:48,127 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:48,127 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:48,127 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:215, output treesize:214 [2019-05-23 09:32:48,490 WARN L146 ILogger]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-05-23 09:32:48,863 WARN L146 ILogger]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-05-23 09:32:48,871 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 42 select indices, 42 select index equivalence classes, 903 disjoint index pairs (out of 861 index pairs), introduced 42 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 342 [2019-05-23 09:32:48,872 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:49,043 WARN L146 ILogger]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-05-23 09:32:49,043 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:49,043 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:49,044 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:220, output treesize:219 [2019-05-23 09:32:49,416 WARN L146 ILogger]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-05-23 09:32:49,780 WARN L146 ILogger]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-05-23 09:32:49,788 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 43 select indices, 43 select index equivalence classes, 946 disjoint index pairs (out of 903 index pairs), introduced 43 new quantified variables, introduced 0 case distinctions, treesize of input 222 treesize of output 350 [2019-05-23 09:32:49,789 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:49,938 WARN L146 ILogger]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-05-23 09:32:49,938 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:49,939 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:49,939 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:225, output treesize:224 [2019-05-23 09:32:50,306 WARN L146 ILogger]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-05-23 09:32:50,719 WARN L146 ILogger]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-05-23 09:32:50,728 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 44 select indices, 44 select index equivalence classes, 990 disjoint index pairs (out of 946 index pairs), introduced 44 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 358 [2019-05-23 09:32:50,729 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:50,912 WARN L146 ILogger]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-05-23 09:32:50,913 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:50,913 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:50,913 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:230, output treesize:229 [2019-05-23 09:32:51,322 WARN L146 ILogger]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-05-23 09:32:51,721 WARN L146 ILogger]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-05-23 09:32:51,729 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 45 select indices, 45 select index equivalence classes, 1035 disjoint index pairs (out of 990 index pairs), introduced 45 new quantified variables, introduced 0 case distinctions, treesize of input 232 treesize of output 366 [2019-05-23 09:32:51,730 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:51,895 WARN L146 ILogger]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-05-23 09:32:51,895 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:51,896 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:51,896 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:235, output treesize:234 [2019-05-23 09:32:52,298 WARN L146 ILogger]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-05-23 09:32:52,715 WARN L146 ILogger]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-05-23 09:32:52,723 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 46 select indices, 46 select index equivalence classes, 1081 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 374 [2019-05-23 09:32:52,725 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:52,889 WARN L146 ILogger]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-05-23 09:32:52,889 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:52,890 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:52,890 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:240, output treesize:239 [2019-05-23 09:32:53,321 WARN L146 ILogger]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-05-23 09:32:53,748 WARN L146 ILogger]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-05-23 09:32:53,759 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 47 select indices, 47 select index equivalence classes, 1128 disjoint index pairs (out of 1081 index pairs), introduced 47 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 382 [2019-05-23 09:32:53,760 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:53,931 WARN L146 ILogger]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-05-23 09:32:53,932 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:53,932 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:53,932 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:245, output treesize:244 [2019-05-23 09:32:54,377 WARN L146 ILogger]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-05-23 09:32:54,813 WARN L146 ILogger]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-05-23 09:32:54,823 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 48 select indices, 48 select index equivalence classes, 1176 disjoint index pairs (out of 1128 index pairs), introduced 48 new quantified variables, introduced 0 case distinctions, treesize of input 247 treesize of output 390 [2019-05-23 09:32:54,824 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:54,999 WARN L146 ILogger]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-05-23 09:32:55,000 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:55,000 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:55,001 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:250, output treesize:249 [2019-05-23 09:32:55,465 WARN L146 ILogger]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-05-23 09:32:55,960 WARN L146 ILogger]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-05-23 09:32:55,970 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 49 select indices, 49 select index equivalence classes, 1225 disjoint index pairs (out of 1176 index pairs), introduced 49 new quantified variables, introduced 0 case distinctions, treesize of input 252 treesize of output 398 [2019-05-23 09:32:55,971 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:32:56,170 WARN L146 ILogger]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-05-23 09:32:56,171 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:32:56,171 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:32:56,171 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:255, output treesize:254 [2019-05-23 09:32:56,644 WARN L146 ILogger]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-05-23 09:32:57,108 WARN L146 ILogger]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-05-23 09:32:57,587 WARN L146 ILogger]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-05-23 09:32:58,074 WARN L146 ILogger]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-05-23 09:32:58,618 INFO L146 ILogger]: Checked inductivity of 3725 backedges. 0 proven. 3725 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:32:58,618 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:32:58,618 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [103] total 103 [2019-05-23 09:32:58,619 INFO L146 ILogger]: Interpolant automaton has 105 states [2019-05-23 09:32:58,619 INFO L146 ILogger]: Constructing interpolant automaton starting with 105 interpolants. [2019-05-23 09:32:58,619 INFO L146 ILogger]: CoverageRelationStatistics Valid=258, Invalid=10662, Unknown=0, NotChecked=0, Total=10920 [2019-05-23 09:32:58,620 INFO L146 ILogger]: Start difference. First operand 156 states and 156 transitions. Second operand 105 states. [2019-05-23 09:33:14,213 WARN L146 ILogger]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-05-23 09:33:14,780 WARN L146 ILogger]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-05-23 09:33:14,862 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:33:14,862 INFO L146 ILogger]: Finished difference Result 163 states and 163 transitions. [2019-05-23 09:33:14,863 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2019-05-23 09:33:14,863 INFO L146 ILogger]: Start accepts. Automaton has 105 states. Word has length 155 [2019-05-23 09:33:14,863 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:33:14,864 INFO L146 ILogger]: With dead ends: 163 [2019-05-23 09:33:14,864 INFO L146 ILogger]: Without dead ends: 161 [2019-05-23 09:33:14,865 INFO L146 ILogger]: 0 DeclaredPredicates, 156 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2702 ImplicationChecksByTransitivity, 20.5s TimeCoverageRelationStatistics Valid=268, Invalid=11074, Unknown=0, NotChecked=0, Total=11342 [2019-05-23 09:33:14,865 INFO L146 ILogger]: Start minimizeSevpa. Operand 161 states. [2019-05-23 09:33:14,866 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 161 to 159. [2019-05-23 09:33:14,867 INFO L146 ILogger]: Start removeUnreachable. Operand 159 states. [2019-05-23 09:33:14,867 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 159 states to 159 states and 159 transitions. [2019-05-23 09:33:14,867 INFO L146 ILogger]: Start accepts. Automaton has 159 states and 159 transitions. Word has length 155 [2019-05-23 09:33:14,867 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:33:14,867 INFO L146 ILogger]: Abstraction has 159 states and 159 transitions. [2019-05-23 09:33:14,868 INFO L146 ILogger]: Interpolant automaton has 105 states. [2019-05-23 09:33:14,868 INFO L146 ILogger]: Start isEmpty. Operand 159 states and 159 transitions. [2019-05-23 09:33:14,868 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 159 [2019-05-23 09:33:14,868 INFO L146 ILogger]: Found error trace [2019-05-23 09:33:14,869 INFO L146 ILogger]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1] [2019-05-23 09:33:14,869 INFO L146 ILogger]: === Iteration 52 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:33:14,869 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:33:14,869 INFO L146 ILogger]: Analyzing trace with hash -2079574330, now seen corresponding path program 51 times [2019-05-23 09:33:14,870 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:33:15,773 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:33:15,804 WARN L146 ILogger]: Trace formula consists of 214 conjuncts, 158 conjunts are in the unsatisfiable core [2019-05-23 09:33:15,807 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:33:15,837 INFO L146 ILogger]: 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 [2019-05-23 09:33:15,837 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:15,844 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:15,844 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:15,844 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:33:15,866 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:33:15,866 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:15,872 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:15,872 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:15,872 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:33:15,891 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:33:15,891 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:15,898 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:15,899 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:15,899 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:33:15,925 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:33:15,925 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:15,934 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:15,934 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:15,935 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:33:15,967 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:33:15,967 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:15,978 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:15,978 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:15,979 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:33:16,037 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:33:16,037 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:16,048 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:16,049 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:16,049 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:33:16,096 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:33:16,097 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:16,112 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:16,112 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:16,112 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:33:16,169 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:33:16,170 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:16,185 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:16,186 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:16,186 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:33:16,302 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:33:16,303 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:16,326 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:16,326 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:16,327 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:33:16,469 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:33:16,470 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:16,497 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:16,498 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:16,498 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:33:16,608 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:33:16,608 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:16,631 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:16,632 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:16,632 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:33:16,748 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:33:16,749 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:16,773 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:16,773 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:16,774 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:33:16,879 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:33:16,880 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:16,908 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:16,909 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:16,909 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:33:17,034 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:33:17,035 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:17,066 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:17,067 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:17,067 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:33:17,195 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:33:17,195 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:17,225 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:17,225 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:17,226 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:33:17,371 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:33:17,371 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:17,406 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:17,407 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:17,407 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:33:17,571 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:33:17,571 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:17,610 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:17,611 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:17,611 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:33:17,788 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:33:17,789 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:17,832 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:17,832 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:17,832 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:33:18,022 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:33:18,023 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:18,068 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:18,069 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:18,069 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:33:18,269 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:33:18,270 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:18,319 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:18,320 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:18,320 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:33:18,539 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:33:18,540 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:18,590 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:18,590 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:18,590 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:33:18,830 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:33:18,830 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:18,883 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:18,884 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:18,884 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:33:19,134 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:33:19,135 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:19,195 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:19,195 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:19,196 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:33:19,475 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:33:19,476 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:19,538 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:19,538 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:19,538 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:33:19,841 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:33:19,842 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:19,909 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:19,909 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:19,909 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:33:20,247 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:33:20,248 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:20,316 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:20,316 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:20,316 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:33:20,662 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-05-23 09:33:20,663 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:20,732 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:20,733 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:20,733 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-05-23 09:33:21,082 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-05-23 09:33:21,083 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:21,158 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:21,159 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:21,159 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-05-23 09:33:21,584 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-05-23 09:33:21,585 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:21,672 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:21,673 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:21,673 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-05-23 09:33:22,076 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-05-23 09:33:22,077 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:22,160 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:22,160 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:22,161 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-05-23 09:33:22,568 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-05-23 09:33:22,569 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:22,659 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:22,660 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:22,660 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-05-23 09:33:23,102 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-05-23 09:33:23,104 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:23,198 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:23,198 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:23,199 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-05-23 09:33:23,665 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-05-23 09:33:23,666 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:23,759 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:23,760 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:23,760 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-05-23 09:33:24,239 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-05-23 09:33:24,240 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:24,343 WARN L146 ILogger]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:33:24,344 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:24,344 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:24,344 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-05-23 09:33:24,856 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-05-23 09:33:24,857 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:24,962 WARN L146 ILogger]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:33:24,962 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:24,963 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:24,963 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-05-23 09:33:25,230 WARN L146 ILogger]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:33:25,501 WARN L146 ILogger]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-05-23 09:33:25,508 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-05-23 09:33:25,510 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:25,623 WARN L146 ILogger]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:33:25,624 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:25,624 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:25,625 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-05-23 09:33:25,904 WARN L146 ILogger]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:33:26,181 WARN L146 ILogger]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-05-23 09:33:26,189 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 36 select indices, 36 select index equivalence classes, 666 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 294 [2019-05-23 09:33:26,190 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:26,305 WARN L146 ILogger]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:33:26,306 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:26,306 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:26,306 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2019-05-23 09:33:26,620 WARN L146 ILogger]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:33:26,939 WARN L146 ILogger]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-05-23 09:33:26,947 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 37 select indices, 37 select index equivalence classes, 703 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 302 [2019-05-23 09:33:26,948 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:27,072 WARN L146 ILogger]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:33:27,072 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:27,073 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:27,073 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:194 [2019-05-23 09:33:27,375 WARN L146 ILogger]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:33:27,679 WARN L146 ILogger]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-05-23 09:33:27,687 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 38 select indices, 38 select index equivalence classes, 741 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 310 [2019-05-23 09:33:27,688 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:27,813 WARN L146 ILogger]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:33:27,814 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:27,814 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:27,814 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:200, output treesize:199 [2019-05-23 09:33:28,148 WARN L146 ILogger]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:33:28,466 WARN L146 ILogger]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-05-23 09:33:28,475 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 39 select indices, 39 select index equivalence classes, 780 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 318 [2019-05-23 09:33:28,476 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:28,604 WARN L146 ILogger]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:33:28,604 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:28,605 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:28,605 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:205, output treesize:204 [2019-05-23 09:33:28,928 WARN L146 ILogger]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:33:29,251 WARN L146 ILogger]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-05-23 09:33:29,259 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 40 select indices, 40 select index equivalence classes, 820 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 326 [2019-05-23 09:33:29,260 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:29,392 WARN L146 ILogger]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:33:29,393 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:29,393 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:29,394 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:210, output treesize:209 [2019-05-23 09:33:29,737 WARN L146 ILogger]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:33:30,082 WARN L146 ILogger]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-05-23 09:33:30,091 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 41 select indices, 41 select index equivalence classes, 861 disjoint index pairs (out of 820 index pairs), introduced 41 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 334 [2019-05-23 09:33:30,092 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:30,234 WARN L146 ILogger]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-05-23 09:33:30,234 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:30,235 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:30,235 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:215, output treesize:214 [2019-05-23 09:33:30,591 WARN L146 ILogger]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-05-23 09:33:30,947 WARN L146 ILogger]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-05-23 09:33:30,955 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 42 select indices, 42 select index equivalence classes, 903 disjoint index pairs (out of 861 index pairs), introduced 42 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 342 [2019-05-23 09:33:30,957 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:31,104 WARN L146 ILogger]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-05-23 09:33:31,104 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:31,105 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:31,105 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:220, output treesize:219 [2019-05-23 09:33:31,480 WARN L146 ILogger]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-05-23 09:33:31,887 WARN L146 ILogger]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-05-23 09:33:31,898 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 43 select indices, 43 select index equivalence classes, 946 disjoint index pairs (out of 903 index pairs), introduced 43 new quantified variables, introduced 0 case distinctions, treesize of input 222 treesize of output 350 [2019-05-23 09:33:31,899 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:32,051 WARN L146 ILogger]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-05-23 09:33:32,051 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:32,052 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:32,052 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:225, output treesize:224 [2019-05-23 09:33:32,447 WARN L146 ILogger]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-05-23 09:33:32,831 WARN L146 ILogger]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-05-23 09:33:32,839 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 44 select indices, 44 select index equivalence classes, 990 disjoint index pairs (out of 946 index pairs), introduced 44 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 358 [2019-05-23 09:33:32,840 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:32,991 WARN L146 ILogger]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-05-23 09:33:32,991 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:32,991 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:32,991 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:230, output treesize:229 [2019-05-23 09:33:33,387 WARN L146 ILogger]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-05-23 09:33:33,791 WARN L146 ILogger]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-05-23 09:33:33,799 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 45 select indices, 45 select index equivalence classes, 1035 disjoint index pairs (out of 990 index pairs), introduced 45 new quantified variables, introduced 0 case distinctions, treesize of input 232 treesize of output 366 [2019-05-23 09:33:33,800 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:33,965 WARN L146 ILogger]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-05-23 09:33:33,965 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:33,965 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:33,965 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:235, output treesize:234 [2019-05-23 09:33:34,375 WARN L146 ILogger]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-05-23 09:33:34,798 WARN L146 ILogger]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-05-23 09:33:34,807 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 46 select indices, 46 select index equivalence classes, 1081 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 374 [2019-05-23 09:33:34,808 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:34,977 WARN L146 ILogger]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-05-23 09:33:34,977 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:34,978 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:34,978 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:240, output treesize:239 [2019-05-23 09:33:35,395 WARN L146 ILogger]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-05-23 09:33:35,846 WARN L146 ILogger]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-05-23 09:33:35,855 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 47 select indices, 47 select index equivalence classes, 1128 disjoint index pairs (out of 1081 index pairs), introduced 47 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 382 [2019-05-23 09:33:35,856 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:36,024 WARN L146 ILogger]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-05-23 09:33:36,025 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:36,025 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:36,026 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:245, output treesize:244 [2019-05-23 09:33:36,462 WARN L146 ILogger]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-05-23 09:33:36,934 WARN L146 ILogger]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-05-23 09:33:36,971 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 48 select indices, 48 select index equivalence classes, 1176 disjoint index pairs (out of 1128 index pairs), introduced 48 new quantified variables, introduced 0 case distinctions, treesize of input 247 treesize of output 390 [2019-05-23 09:33:36,972 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:37,167 WARN L146 ILogger]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-05-23 09:33:37,167 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:37,168 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:37,168 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:250, output treesize:249 [2019-05-23 09:33:37,635 WARN L146 ILogger]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-05-23 09:33:38,095 WARN L146 ILogger]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-05-23 09:33:38,103 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 49 select indices, 49 select index equivalence classes, 1225 disjoint index pairs (out of 1176 index pairs), introduced 49 new quantified variables, introduced 0 case distinctions, treesize of input 252 treesize of output 398 [2019-05-23 09:33:38,104 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:38,283 WARN L146 ILogger]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-05-23 09:33:38,283 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:38,283 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:38,284 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:255, output treesize:254 [2019-05-23 09:33:38,772 WARN L146 ILogger]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-05-23 09:33:39,244 WARN L146 ILogger]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-05-23 09:33:39,255 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 50 select indices, 50 select index equivalence classes, 1275 disjoint index pairs (out of 1225 index pairs), introduced 50 new quantified variables, introduced 0 case distinctions, treesize of input 257 treesize of output 406 [2019-05-23 09:33:39,256 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:33:39,445 WARN L146 ILogger]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-05-23 09:33:39,445 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:33:39,446 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:33:39,446 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:260, output treesize:259 [2019-05-23 09:33:39,938 WARN L146 ILogger]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-05-23 09:33:40,440 WARN L146 ILogger]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-05-23 09:33:40,936 WARN L146 ILogger]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-05-23 09:33:41,442 WARN L146 ILogger]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-05-23 09:33:42,019 INFO L146 ILogger]: Checked inductivity of 3876 backedges. 0 proven. 3876 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:33:42,020 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:33:42,020 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [105] total 105 [2019-05-23 09:33:42,020 INFO L146 ILogger]: Interpolant automaton has 107 states [2019-05-23 09:33:42,020 INFO L146 ILogger]: Constructing interpolant automaton starting with 107 interpolants. [2019-05-23 09:33:42,021 INFO L146 ILogger]: CoverageRelationStatistics Valid=263, Invalid=11079, Unknown=0, NotChecked=0, Total=11342 [2019-05-23 09:33:42,021 INFO L146 ILogger]: Start difference. First operand 159 states and 159 transitions. Second operand 107 states. [2019-05-23 09:33:58,452 WARN L146 ILogger]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-05-23 09:33:59,024 WARN L146 ILogger]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-05-23 09:33:59,113 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:33:59,113 INFO L146 ILogger]: Finished difference Result 166 states and 166 transitions. [2019-05-23 09:33:59,113 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2019-05-23 09:33:59,114 INFO L146 ILogger]: Start accepts. Automaton has 107 states. Word has length 158 [2019-05-23 09:33:59,114 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:33:59,115 INFO L146 ILogger]: With dead ends: 166 [2019-05-23 09:33:59,115 INFO L146 ILogger]: Without dead ends: 164 [2019-05-23 09:33:59,116 INFO L146 ILogger]: 0 DeclaredPredicates, 159 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2807 ImplicationChecksByTransitivity, 21.7s TimeCoverageRelationStatistics Valid=273, Invalid=11499, Unknown=0, NotChecked=0, Total=11772 [2019-05-23 09:33:59,116 INFO L146 ILogger]: Start minimizeSevpa. Operand 164 states. [2019-05-23 09:33:59,118 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 164 to 162. [2019-05-23 09:33:59,118 INFO L146 ILogger]: Start removeUnreachable. Operand 162 states. [2019-05-23 09:33:59,119 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 162 states to 162 states and 162 transitions. [2019-05-23 09:33:59,119 INFO L146 ILogger]: Start accepts. Automaton has 162 states and 162 transitions. Word has length 158 [2019-05-23 09:33:59,119 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:33:59,119 INFO L146 ILogger]: Abstraction has 162 states and 162 transitions. [2019-05-23 09:33:59,119 INFO L146 ILogger]: Interpolant automaton has 107 states. [2019-05-23 09:33:59,119 INFO L146 ILogger]: Start isEmpty. Operand 162 states and 162 transitions. [2019-05-23 09:33:59,120 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 162 [2019-05-23 09:33:59,120 INFO L146 ILogger]: Found error trace [2019-05-23 09:33:59,120 INFO L146 ILogger]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1] [2019-05-23 09:33:59,120 INFO L146 ILogger]: === Iteration 53 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:33:59,121 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:33:59,121 INFO L146 ILogger]: Analyzing trace with hash -2108908408, now seen corresponding path program 52 times [2019-05-23 09:33:59,121 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:34:00,097 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:34:00,126 WARN L146 ILogger]: Trace formula consists of 218 conjuncts, 161 conjunts are in the unsatisfiable core [2019-05-23 09:34:00,129 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:34:00,148 INFO L146 ILogger]: 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 [2019-05-23 09:34:00,148 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:00,158 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:00,158 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:00,158 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:34:00,173 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:34:00,174 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:00,179 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:00,179 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:00,179 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:34:00,199 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:34:00,199 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:00,206 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:00,207 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:00,207 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:34:00,231 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:34:00,232 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:00,240 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:00,241 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:00,241 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:34:00,273 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:34:00,274 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:00,284 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:00,284 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:00,284 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:34:00,324 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:34:00,324 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:00,337 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:00,338 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:00,338 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:34:00,384 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:34:00,385 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:00,399 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:00,399 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:00,399 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:34:00,453 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:34:00,453 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:00,469 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:00,469 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:00,469 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:34:00,533 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:34:00,534 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:00,551 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:00,551 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:00,551 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:34:00,623 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:34:00,624 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:00,644 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:00,644 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:00,644 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:34:00,745 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:34:00,745 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:00,768 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:00,768 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:00,768 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:34:00,893 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:34:00,894 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:00,918 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:00,918 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:00,919 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:34:01,020 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:34:01,021 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:01,048 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:01,048 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:01,048 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:34:01,171 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:34:01,171 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:01,201 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:01,202 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:01,202 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:34:01,340 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:34:01,341 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:01,373 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:01,373 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:01,374 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:34:01,516 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:34:01,517 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:01,552 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:01,553 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:01,553 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:34:01,709 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:34:01,710 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:01,748 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:01,748 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:01,749 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:34:01,924 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:34:01,925 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:01,966 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:01,967 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:01,967 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:34:02,220 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:34:02,220 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:02,263 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:02,264 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:02,264 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:34:02,513 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:34:02,514 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:02,561 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:02,562 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:02,562 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:34:02,781 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:34:02,782 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:02,833 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:02,833 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:02,834 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:34:03,069 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:34:03,070 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:03,123 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:03,124 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:03,124 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:34:03,392 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:34:03,393 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:03,453 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:03,454 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:03,454 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:34:03,725 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:34:03,725 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:03,787 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:03,787 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:03,787 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:34:04,092 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:34:04,093 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:04,160 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:04,160 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:04,161 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:34:04,479 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:34:04,480 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:04,550 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:04,551 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:04,551 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:34:04,911 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-05-23 09:34:04,912 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:04,985 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:04,985 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:04,985 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-05-23 09:34:05,343 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-05-23 09:34:05,343 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:05,420 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:05,421 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:05,421 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-05-23 09:34:05,806 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-05-23 09:34:05,807 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:05,890 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:05,891 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:05,891 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-05-23 09:34:06,294 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-05-23 09:34:06,295 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:06,380 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:06,380 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:06,381 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-05-23 09:34:06,828 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-05-23 09:34:06,829 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:06,916 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:06,917 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:06,917 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-05-23 09:34:07,388 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-05-23 09:34:07,389 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:07,508 WARN L146 ILogger]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-05-23 09:34:07,509 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:07,509 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:07,509 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-05-23 09:34:07,763 WARN L146 ILogger]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-05-23 09:34:08,004 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-05-23 09:34:08,006 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:08,101 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:08,101 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:08,101 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-05-23 09:34:08,602 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-05-23 09:34:08,603 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:08,705 WARN L146 ILogger]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:34:08,705 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:08,706 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:08,706 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-05-23 09:34:08,973 WARN L146 ILogger]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:34:09,234 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-05-23 09:34:09,235 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:09,342 WARN L146 ILogger]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:34:09,343 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:09,343 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:09,343 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-05-23 09:34:09,609 WARN L146 ILogger]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:34:09,879 WARN L146 ILogger]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-05-23 09:34:09,886 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-05-23 09:34:09,887 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:09,993 WARN L146 ILogger]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:34:09,994 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:09,994 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:09,994 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-05-23 09:34:10,273 WARN L146 ILogger]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:34:10,557 WARN L146 ILogger]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-05-23 09:34:10,563 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 36 select indices, 36 select index equivalence classes, 666 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 294 [2019-05-23 09:34:10,565 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:10,674 WARN L146 ILogger]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:34:10,675 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:10,675 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:10,675 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2019-05-23 09:34:10,967 WARN L146 ILogger]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:34:11,253 WARN L146 ILogger]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-05-23 09:34:11,261 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 37 select indices, 37 select index equivalence classes, 703 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 302 [2019-05-23 09:34:11,262 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:11,380 WARN L146 ILogger]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:34:11,381 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:11,381 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:11,381 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:194 [2019-05-23 09:34:11,672 WARN L146 ILogger]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:34:11,990 WARN L146 ILogger]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-05-23 09:34:11,997 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 38 select indices, 38 select index equivalence classes, 741 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 310 [2019-05-23 09:34:11,998 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:12,125 WARN L146 ILogger]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:34:12,126 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:12,126 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:12,126 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:200, output treesize:199 [2019-05-23 09:34:12,439 WARN L146 ILogger]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:34:12,795 WARN L146 ILogger]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-05-23 09:34:12,802 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 39 select indices, 39 select index equivalence classes, 780 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 318 [2019-05-23 09:34:12,803 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:12,947 WARN L146 ILogger]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:34:12,948 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:12,948 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:12,948 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:205, output treesize:204 [2019-05-23 09:34:13,307 WARN L146 ILogger]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:34:13,632 WARN L146 ILogger]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-05-23 09:34:13,640 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 40 select indices, 40 select index equivalence classes, 820 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 326 [2019-05-23 09:34:13,641 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:13,777 WARN L146 ILogger]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:34:13,778 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:13,778 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:13,778 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:210, output treesize:209 [2019-05-23 09:34:14,124 WARN L146 ILogger]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:34:14,473 WARN L146 ILogger]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-05-23 09:34:14,481 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 41 select indices, 41 select index equivalence classes, 861 disjoint index pairs (out of 820 index pairs), introduced 41 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 334 [2019-05-23 09:34:14,482 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:14,625 WARN L146 ILogger]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-05-23 09:34:14,626 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:14,626 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:14,626 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:215, output treesize:214 [2019-05-23 09:34:14,989 WARN L146 ILogger]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-05-23 09:34:15,352 WARN L146 ILogger]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-05-23 09:34:15,360 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 42 select indices, 42 select index equivalence classes, 903 disjoint index pairs (out of 861 index pairs), introduced 42 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 342 [2019-05-23 09:34:15,361 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:15,503 WARN L146 ILogger]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-05-23 09:34:15,504 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:15,504 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:15,504 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:220, output treesize:219 [2019-05-23 09:34:15,875 WARN L146 ILogger]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-05-23 09:34:16,255 WARN L146 ILogger]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-05-23 09:34:16,263 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 43 select indices, 43 select index equivalence classes, 946 disjoint index pairs (out of 903 index pairs), introduced 43 new quantified variables, introduced 0 case distinctions, treesize of input 222 treesize of output 350 [2019-05-23 09:34:16,264 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:16,424 WARN L146 ILogger]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-05-23 09:34:16,424 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:16,424 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:16,424 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:225, output treesize:224 [2019-05-23 09:34:16,818 WARN L146 ILogger]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-05-23 09:34:17,214 WARN L146 ILogger]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-05-23 09:34:17,224 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 44 select indices, 44 select index equivalence classes, 990 disjoint index pairs (out of 946 index pairs), introduced 44 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 358 [2019-05-23 09:34:17,225 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:17,379 WARN L146 ILogger]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-05-23 09:34:17,380 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:17,380 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:17,381 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:230, output treesize:229 [2019-05-23 09:34:17,809 WARN L146 ILogger]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-05-23 09:34:18,232 WARN L146 ILogger]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-05-23 09:34:18,243 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 45 select indices, 45 select index equivalence classes, 1035 disjoint index pairs (out of 990 index pairs), introduced 45 new quantified variables, introduced 0 case distinctions, treesize of input 232 treesize of output 366 [2019-05-23 09:34:18,244 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:18,405 WARN L146 ILogger]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-05-23 09:34:18,405 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:18,406 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:18,406 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:235, output treesize:234 [2019-05-23 09:34:18,831 WARN L146 ILogger]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-05-23 09:34:19,269 WARN L146 ILogger]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-05-23 09:34:19,278 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 46 select indices, 46 select index equivalence classes, 1081 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 374 [2019-05-23 09:34:19,279 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:19,450 WARN L146 ILogger]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-05-23 09:34:19,451 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:19,451 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:19,451 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:240, output treesize:239 [2019-05-23 09:34:19,886 WARN L146 ILogger]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-05-23 09:34:20,321 WARN L146 ILogger]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-05-23 09:34:20,330 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 47 select indices, 47 select index equivalence classes, 1128 disjoint index pairs (out of 1081 index pairs), introduced 47 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 382 [2019-05-23 09:34:20,331 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:20,497 WARN L146 ILogger]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-05-23 09:34:20,498 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:20,498 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:20,498 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:245, output treesize:244 [2019-05-23 09:34:20,941 WARN L146 ILogger]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-05-23 09:34:21,384 WARN L146 ILogger]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-05-23 09:34:21,392 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 48 select indices, 48 select index equivalence classes, 1176 disjoint index pairs (out of 1128 index pairs), introduced 48 new quantified variables, introduced 0 case distinctions, treesize of input 247 treesize of output 390 [2019-05-23 09:34:21,393 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:21,565 WARN L146 ILogger]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-05-23 09:34:21,565 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:21,566 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:21,566 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:250, output treesize:249 [2019-05-23 09:34:22,021 WARN L146 ILogger]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-05-23 09:34:22,482 WARN L146 ILogger]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-05-23 09:34:22,492 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 49 select indices, 49 select index equivalence classes, 1225 disjoint index pairs (out of 1176 index pairs), introduced 49 new quantified variables, introduced 0 case distinctions, treesize of input 252 treesize of output 398 [2019-05-23 09:34:22,493 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:22,676 WARN L146 ILogger]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-05-23 09:34:22,676 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:22,677 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:22,677 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:255, output treesize:254 [2019-05-23 09:34:23,186 WARN L146 ILogger]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-05-23 09:34:23,664 WARN L146 ILogger]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-05-23 09:34:23,673 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 50 select indices, 50 select index equivalence classes, 1275 disjoint index pairs (out of 1225 index pairs), introduced 50 new quantified variables, introduced 0 case distinctions, treesize of input 257 treesize of output 406 [2019-05-23 09:34:23,675 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:23,859 WARN L146 ILogger]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-05-23 09:34:23,860 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:23,860 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:23,860 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:260, output treesize:259 [2019-05-23 09:34:24,335 WARN L146 ILogger]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-05-23 09:34:24,845 WARN L146 ILogger]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-05-23 09:34:24,854 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 51 select indices, 51 select index equivalence classes, 1326 disjoint index pairs (out of 1275 index pairs), introduced 51 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 414 [2019-05-23 09:34:24,855 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:25,046 WARN L146 ILogger]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-05-23 09:34:25,047 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:25,047 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:25,048 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:265, output treesize:264 [2019-05-23 09:34:25,546 WARN L146 ILogger]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-05-23 09:34:26,035 WARN L146 ILogger]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-05-23 09:34:26,557 WARN L146 ILogger]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-05-23 09:34:27,089 WARN L146 ILogger]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-05-23 09:34:27,688 INFO L146 ILogger]: Checked inductivity of 4030 backedges. 0 proven. 4030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:34:27,689 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:34:27,689 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [107] total 107 [2019-05-23 09:34:27,689 INFO L146 ILogger]: Interpolant automaton has 109 states [2019-05-23 09:34:27,689 INFO L146 ILogger]: Constructing interpolant automaton starting with 109 interpolants. [2019-05-23 09:34:27,690 INFO L146 ILogger]: CoverageRelationStatistics Valid=268, Invalid=11504, Unknown=0, NotChecked=0, Total=11772 [2019-05-23 09:34:27,690 INFO L146 ILogger]: Start difference. First operand 162 states and 162 transitions. Second operand 109 states. [2019-05-23 09:34:44,699 WARN L146 ILogger]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-05-23 09:34:45,304 WARN L146 ILogger]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-05-23 09:34:45,399 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:34:45,400 INFO L146 ILogger]: Finished difference Result 169 states and 169 transitions. [2019-05-23 09:34:45,400 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2019-05-23 09:34:45,400 INFO L146 ILogger]: Start accepts. Automaton has 109 states. Word has length 161 [2019-05-23 09:34:45,400 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:34:45,401 INFO L146 ILogger]: With dead ends: 169 [2019-05-23 09:34:45,401 INFO L146 ILogger]: Without dead ends: 167 [2019-05-23 09:34:45,402 INFO L146 ILogger]: 0 DeclaredPredicates, 162 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2914 ImplicationChecksByTransitivity, 22.9s TimeCoverageRelationStatistics Valid=278, Invalid=11932, Unknown=0, NotChecked=0, Total=12210 [2019-05-23 09:34:45,402 INFO L146 ILogger]: Start minimizeSevpa. Operand 167 states. [2019-05-23 09:34:45,404 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 167 to 165. [2019-05-23 09:34:45,404 INFO L146 ILogger]: Start removeUnreachable. Operand 165 states. [2019-05-23 09:34:45,404 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 165 states to 165 states and 165 transitions. [2019-05-23 09:34:45,404 INFO L146 ILogger]: Start accepts. Automaton has 165 states and 165 transitions. Word has length 161 [2019-05-23 09:34:45,404 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:34:45,405 INFO L146 ILogger]: Abstraction has 165 states and 165 transitions. [2019-05-23 09:34:45,405 INFO L146 ILogger]: Interpolant automaton has 109 states. [2019-05-23 09:34:45,405 INFO L146 ILogger]: Start isEmpty. Operand 165 states and 165 transitions. [2019-05-23 09:34:45,405 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 165 [2019-05-23 09:34:45,405 INFO L146 ILogger]: Found error trace [2019-05-23 09:34:45,406 INFO L146 ILogger]: trace histogram [53, 53, 53, 1, 1, 1, 1, 1] [2019-05-23 09:34:45,406 INFO L146 ILogger]: === Iteration 54 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:34:45,406 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:34:45,406 INFO L146 ILogger]: Analyzing trace with hash 172902278, now seen corresponding path program 53 times [2019-05-23 09:34:45,407 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:34:46,461 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:34:46,492 WARN L146 ILogger]: Trace formula consists of 222 conjuncts, 164 conjunts are in the unsatisfiable core [2019-05-23 09:34:46,495 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:34:46,512 INFO L146 ILogger]: 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 [2019-05-23 09:34:46,513 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:46,521 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:46,521 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:46,521 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-05-23 09:34:46,550 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-05-23 09:34:46,550 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:46,555 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:46,555 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:46,555 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-05-23 09:34:46,574 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-05-23 09:34:46,575 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:46,582 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:46,582 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:46,582 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-05-23 09:34:46,610 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2019-05-23 09:34:46,610 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:46,618 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:46,618 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:46,619 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-05-23 09:34:46,653 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-05-23 09:34:46,653 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:46,664 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:46,664 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:46,664 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-05-23 09:34:46,703 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-05-23 09:34:46,703 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:46,716 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:46,716 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:46,716 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-05-23 09:34:46,763 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-05-23 09:34:46,763 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:46,777 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:46,777 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:46,778 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-05-23 09:34:46,837 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-05-23 09:34:46,837 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:46,854 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:46,855 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:46,855 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-05-23 09:34:46,919 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-05-23 09:34:46,920 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:46,937 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:46,938 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:46,938 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-05-23 09:34:47,012 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-05-23 09:34:47,013 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:47,034 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:47,035 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:47,035 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-05-23 09:34:47,124 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-05-23 09:34:47,124 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:47,147 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:47,148 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:47,148 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-05-23 09:34:47,240 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-05-23 09:34:47,240 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:47,266 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:47,267 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:47,267 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-05-23 09:34:47,371 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-05-23 09:34:47,372 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:47,401 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:47,402 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:47,402 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-05-23 09:34:47,524 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-05-23 09:34:47,524 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:47,554 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:47,555 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:47,555 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-05-23 09:34:47,687 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-05-23 09:34:47,688 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:47,719 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:47,720 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:47,720 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-05-23 09:34:47,856 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-05-23 09:34:47,857 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:47,893 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:47,893 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:47,894 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-05-23 09:34:48,053 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-05-23 09:34:48,054 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:48,094 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:48,095 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:48,095 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-05-23 09:34:48,286 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-05-23 09:34:48,287 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:48,329 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:48,329 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:48,329 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-05-23 09:34:48,524 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-05-23 09:34:48,525 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:48,570 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:48,570 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:48,570 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-05-23 09:34:48,778 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-05-23 09:34:48,779 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:48,827 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:48,827 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:48,828 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-05-23 09:34:49,050 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-05-23 09:34:49,051 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:49,101 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:49,101 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:49,102 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-05-23 09:34:49,342 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-05-23 09:34:49,342 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:49,394 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:49,394 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:49,394 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-05-23 09:34:49,647 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-05-23 09:34:49,648 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:49,706 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:49,707 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:49,707 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-05-23 09:34:49,979 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-05-23 09:34:49,980 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:50,042 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:50,042 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:50,042 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-05-23 09:34:50,330 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-05-23 09:34:50,330 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:50,394 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:50,395 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:50,395 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-05-23 09:34:50,703 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-05-23 09:34:50,703 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:50,772 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:50,772 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:50,772 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-05-23 09:34:51,103 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-05-23 09:34:51,104 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:51,176 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:51,177 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:51,177 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-05-23 09:34:51,527 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-05-23 09:34:51,528 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:51,603 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:51,603 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:51,604 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-05-23 09:34:51,988 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-05-23 09:34:51,989 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:52,069 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:52,069 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:52,070 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-05-23 09:34:52,480 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-05-23 09:34:52,481 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:52,567 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:52,567 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:52,567 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-05-23 09:34:52,786 WARN L146 ILogger]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-05-23 09:34:53,013 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-05-23 09:34:53,014 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:53,098 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:53,098 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:53,098 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-05-23 09:34:53,531 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-05-23 09:34:53,532 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:53,624 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:53,624 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:53,624 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-05-23 09:34:54,107 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-05-23 09:34:54,108 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:54,204 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:54,205 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:54,205 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-05-23 09:34:54,693 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-05-23 09:34:54,694 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:54,796 WARN L146 ILogger]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-05-23 09:34:54,797 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:54,797 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:54,797 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-05-23 09:34:55,307 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-05-23 09:34:55,308 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:55,411 WARN L146 ILogger]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:34:55,411 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:55,412 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:55,412 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-05-23 09:34:55,674 WARN L146 ILogger]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-05-23 09:34:55,944 WARN L146 ILogger]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-05-23 09:34:55,951 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-05-23 09:34:55,952 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:56,061 WARN L146 ILogger]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:34:56,061 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:56,062 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:56,062 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-05-23 09:34:56,346 WARN L146 ILogger]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-05-23 09:34:56,621 WARN L146 ILogger]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-05-23 09:34:56,628 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 36 select indices, 36 select index equivalence classes, 666 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 294 [2019-05-23 09:34:56,629 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:56,742 WARN L146 ILogger]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:34:56,743 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:56,743 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:56,743 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2019-05-23 09:34:57,032 WARN L146 ILogger]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-05-23 09:34:57,315 WARN L146 ILogger]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-05-23 09:34:57,323 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 37 select indices, 37 select index equivalence classes, 703 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 302 [2019-05-23 09:34:57,324 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:57,441 WARN L146 ILogger]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:34:57,442 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:57,442 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:57,442 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:194 [2019-05-23 09:34:57,768 WARN L146 ILogger]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-05-23 09:34:58,080 WARN L146 ILogger]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-05-23 09:34:58,088 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 38 select indices, 38 select index equivalence classes, 741 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 310 [2019-05-23 09:34:58,089 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:58,212 WARN L146 ILogger]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:34:58,212 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:58,213 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:58,213 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:200, output treesize:199 [2019-05-23 09:34:58,529 WARN L146 ILogger]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-05-23 09:34:58,845 WARN L146 ILogger]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-05-23 09:34:58,852 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 39 select indices, 39 select index equivalence classes, 780 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 318 [2019-05-23 09:34:58,853 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:58,978 WARN L146 ILogger]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:34:58,978 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:58,979 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:58,979 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:205, output treesize:204 [2019-05-23 09:34:59,298 WARN L146 ILogger]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-05-23 09:34:59,623 WARN L146 ILogger]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-05-23 09:34:59,632 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 40 select indices, 40 select index equivalence classes, 820 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 326 [2019-05-23 09:34:59,633 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:34:59,766 WARN L146 ILogger]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:34:59,767 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:34:59,767 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:34:59,767 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:210, output treesize:209 [2019-05-23 09:35:00,103 WARN L146 ILogger]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-05-23 09:35:00,445 WARN L146 ILogger]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-05-23 09:35:00,454 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 41 select indices, 41 select index equivalence classes, 861 disjoint index pairs (out of 820 index pairs), introduced 41 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 334 [2019-05-23 09:35:00,456 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:35:00,608 WARN L146 ILogger]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-05-23 09:35:00,608 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:35:00,609 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:35:00,609 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:215, output treesize:214 [2019-05-23 09:35:00,952 WARN L146 ILogger]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-05-23 09:35:01,308 WARN L146 ILogger]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-05-23 09:35:01,316 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 42 select indices, 42 select index equivalence classes, 903 disjoint index pairs (out of 861 index pairs), introduced 42 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 342 [2019-05-23 09:35:01,317 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:35:01,457 WARN L146 ILogger]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-05-23 09:35:01,457 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:35:01,458 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:35:01,458 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:220, output treesize:219 [2019-05-23 09:35:01,821 WARN L146 ILogger]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-05-23 09:35:02,187 WARN L146 ILogger]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-05-23 09:35:02,197 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 43 select indices, 43 select index equivalence classes, 946 disjoint index pairs (out of 903 index pairs), introduced 43 new quantified variables, introduced 0 case distinctions, treesize of input 222 treesize of output 350 [2019-05-23 09:35:02,198 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:35:02,343 WARN L146 ILogger]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-05-23 09:35:02,344 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:35:02,344 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:35:02,344 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:225, output treesize:224 [2019-05-23 09:35:02,739 WARN L146 ILogger]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-05-23 09:35:03,124 WARN L146 ILogger]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-05-23 09:35:03,149 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 44 select indices, 44 select index equivalence classes, 990 disjoint index pairs (out of 946 index pairs), introduced 44 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 358 [2019-05-23 09:35:03,150 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:35:03,300 WARN L146 ILogger]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-05-23 09:35:03,300 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:35:03,300 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:35:03,301 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:230, output treesize:229 [2019-05-23 09:35:03,686 WARN L146 ILogger]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-05-23 09:35:04,077 WARN L146 ILogger]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-05-23 09:35:04,086 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 45 select indices, 45 select index equivalence classes, 1035 disjoint index pairs (out of 990 index pairs), introduced 45 new quantified variables, introduced 0 case distinctions, treesize of input 232 treesize of output 366 [2019-05-23 09:35:04,087 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:35:04,246 WARN L146 ILogger]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-05-23 09:35:04,247 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:35:04,247 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:35:04,248 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:235, output treesize:234 [2019-05-23 09:35:04,655 WARN L146 ILogger]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-05-23 09:35:05,066 WARN L146 ILogger]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-05-23 09:35:05,075 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 46 select indices, 46 select index equivalence classes, 1081 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 374 [2019-05-23 09:35:05,076 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:35:05,244 WARN L146 ILogger]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-05-23 09:35:05,244 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:35:05,245 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:35:05,245 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:240, output treesize:239 [2019-05-23 09:35:05,656 WARN L146 ILogger]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-05-23 09:35:06,088 WARN L146 ILogger]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-05-23 09:35:06,097 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 47 select indices, 47 select index equivalence classes, 1128 disjoint index pairs (out of 1081 index pairs), introduced 47 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 382 [2019-05-23 09:35:06,098 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:35:06,268 WARN L146 ILogger]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-05-23 09:35:06,268 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:35:06,268 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:35:06,269 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:245, output treesize:244 [2019-05-23 09:35:06,702 WARN L146 ILogger]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-05-23 09:35:07,145 WARN L146 ILogger]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-05-23 09:35:07,154 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 48 select indices, 48 select index equivalence classes, 1176 disjoint index pairs (out of 1128 index pairs), introduced 48 new quantified variables, introduced 0 case distinctions, treesize of input 247 treesize of output 390 [2019-05-23 09:35:07,155 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:35:07,342 WARN L146 ILogger]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-05-23 09:35:07,343 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:35:07,343 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:35:07,343 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:250, output treesize:249 [2019-05-23 09:35:07,807 WARN L146 ILogger]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-05-23 09:35:08,260 WARN L146 ILogger]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-05-23 09:35:08,269 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 49 select indices, 49 select index equivalence classes, 1225 disjoint index pairs (out of 1176 index pairs), introduced 49 new quantified variables, introduced 0 case distinctions, treesize of input 252 treesize of output 398 [2019-05-23 09:35:08,270 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:35:08,451 WARN L146 ILogger]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-05-23 09:35:08,452 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:35:08,452 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:35:08,452 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:255, output treesize:254 [2019-05-23 09:35:08,930 WARN L146 ILogger]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-05-23 09:35:09,411 WARN L146 ILogger]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-05-23 09:35:09,421 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 50 select indices, 50 select index equivalence classes, 1275 disjoint index pairs (out of 1225 index pairs), introduced 50 new quantified variables, introduced 0 case distinctions, treesize of input 257 treesize of output 406 [2019-05-23 09:35:09,422 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:35:09,604 WARN L146 ILogger]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-05-23 09:35:09,604 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:35:09,605 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:35:09,605 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:260, output treesize:259 [2019-05-23 09:35:10,087 WARN L146 ILogger]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-05-23 09:35:10,570 WARN L146 ILogger]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-05-23 09:35:10,580 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 51 select indices, 51 select index equivalence classes, 1326 disjoint index pairs (out of 1275 index pairs), introduced 51 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 414 [2019-05-23 09:35:10,581 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:35:10,772 WARN L146 ILogger]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-05-23 09:35:10,773 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:35:10,773 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:35:10,773 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:265, output treesize:264 [2019-05-23 09:35:11,265 WARN L146 ILogger]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-05-23 09:35:11,790 WARN L146 ILogger]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-05-23 09:35:11,800 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 52 select indices, 52 select index equivalence classes, 1378 disjoint index pairs (out of 1326 index pairs), introduced 52 new quantified variables, introduced 0 case distinctions, treesize of input 267 treesize of output 422 [2019-05-23 09:35:11,815 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 09:35:12,008 WARN L146 ILogger]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-05-23 09:35:12,008 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 09:35:12,009 INFO L146 ILogger]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-05-23 09:35:12,009 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:270, output treesize:269 [2019-05-23 09:35:12,522 WARN L146 ILogger]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-05-23 09:35:13,036 WARN L146 ILogger]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-05-23 09:35:13,558 WARN L146 ILogger]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-05-23 09:35:14,096 WARN L146 ILogger]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-05-23 09:35:14,724 INFO L146 ILogger]: Checked inductivity of 4187 backedges. 0 proven. 4187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:35:14,724 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:35:14,724 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [109] total 109 [2019-05-23 09:35:14,725 INFO L146 ILogger]: Interpolant automaton has 111 states [2019-05-23 09:35:14,725 INFO L146 ILogger]: Constructing interpolant automaton starting with 111 interpolants. [2019-05-23 09:35:14,725 INFO L146 ILogger]: CoverageRelationStatistics Valid=273, Invalid=11937, Unknown=0, NotChecked=0, Total=12210 [2019-05-23 09:35:14,725 INFO L146 ILogger]: Start difference. First operand 165 states and 165 transitions. Second operand 111 states.