java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -s config/svcomp-Reach-32bit-Automizer_Default.epf --rcfgbuilder.command.for.external.solver 'z3 SMTLIB2_COMPLIANT=true -memory:4096 -smt2 -in -t:12000' -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --rcfgbuilder.size.of.a.code.block SingleStatement -i /storage/repos/svcomp/c/reducercommutativity/avg_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-7aa59a0 [2019-05-23 11:23:09,094 INFO L146 ILogger]: Resetting all preferences to default values... [2019-05-23 11:23:09,095 INFO L146 ILogger]: Resetting UltimateCore preferences to default values [2019-05-23 11:23:09,111 INFO L146 ILogger]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-05-23 11:23:09,112 INFO L146 ILogger]: Resetting Boogie Preprocessor preferences to default values [2019-05-23 11:23:09,114 INFO L146 ILogger]: Resetting Boogie Procedure Inliner preferences to default values [2019-05-23 11:23:09,116 INFO L146 ILogger]: Resetting Abstract Interpretation preferences to default values [2019-05-23 11:23:09,119 INFO L146 ILogger]: Resetting LassoRanker preferences to default values [2019-05-23 11:23:09,121 INFO L146 ILogger]: Resetting Reaching Definitions preferences to default values [2019-05-23 11:23:09,128 INFO L146 ILogger]: Resetting SyntaxChecker preferences to default values [2019-05-23 11:23:09,129 INFO L146 ILogger]: Büchi Program Product provides no preferences, ignoring... [2019-05-23 11:23:09,129 INFO L146 ILogger]: Resetting LTL2Aut preferences to default values [2019-05-23 11:23:09,131 INFO L146 ILogger]: Resetting PEA to Boogie preferences to default values [2019-05-23 11:23:09,131 INFO L146 ILogger]: Resetting BlockEncodingV2 preferences to default values [2019-05-23 11:23:09,132 INFO L146 ILogger]: Resetting ChcToBoogie preferences to default values [2019-05-23 11:23:09,135 INFO L146 ILogger]: Resetting AutomataScriptInterpreter preferences to default values [2019-05-23 11:23:09,136 INFO L146 ILogger]: Resetting BuchiAutomizer preferences to default values [2019-05-23 11:23:09,137 INFO L146 ILogger]: Resetting CACSL2BoogieTranslator preferences to default values [2019-05-23 11:23:09,142 INFO L146 ILogger]: Resetting CodeCheck preferences to default values [2019-05-23 11:23:09,144 INFO L146 ILogger]: Resetting InvariantSynthesis preferences to default values [2019-05-23 11:23:09,146 INFO L146 ILogger]: Resetting RCFGBuilder preferences to default values [2019-05-23 11:23:09,147 INFO L146 ILogger]: Resetting TraceAbstraction preferences to default values [2019-05-23 11:23:09,150 INFO L146 ILogger]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-05-23 11:23:09,150 INFO L146 ILogger]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-05-23 11:23:09,150 INFO L146 ILogger]: Resetting TreeAutomizer preferences to default values [2019-05-23 11:23:09,151 INFO L146 ILogger]: Resetting IcfgToChc preferences to default values [2019-05-23 11:23:09,152 INFO L146 ILogger]: Resetting IcfgTransformer preferences to default values [2019-05-23 11:23:09,153 INFO L146 ILogger]: ReqToTest provides no preferences, ignoring... [2019-05-23 11:23:09,156 INFO L146 ILogger]: Resetting Boogie Printer preferences to default values [2019-05-23 11:23:09,157 INFO L146 ILogger]: Resetting ChcSmtPrinter preferences to default values [2019-05-23 11:23:09,157 INFO L146 ILogger]: Resetting ReqPrinter preferences to default values [2019-05-23 11:23:09,160 INFO L146 ILogger]: Resetting Witness Printer preferences to default values [2019-05-23 11:23:09,161 INFO L146 ILogger]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-05-23 11:23:09,161 INFO L146 ILogger]: Resetting CDTParser preferences to default values [2019-05-23 11:23:09,163 INFO L146 ILogger]: AutomataScriptParser provides no preferences, ignoring... [2019-05-23 11:23:09,163 INFO L146 ILogger]: ReqParser provides no preferences, ignoring... [2019-05-23 11:23:09,163 INFO L146 ILogger]: Resetting SmtParser preferences to default values [2019-05-23 11:23:09,165 INFO L146 ILogger]: Resetting Witness Parser preferences to default values [2019-05-23 11:23:09,166 INFO L146 ILogger]: Finished resetting all preferences to default values... [2019-05-23 11:23:09,167 INFO L146 ILogger]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-05-23 11:23:09,186 INFO L146 ILogger]: Loading preferences was successful [2019-05-23 11:23:09,186 INFO L146 ILogger]: Preferences different from defaults after loading the file: [2019-05-23 11:23:09,187 INFO L146 ILogger]: Preferences of BlockEncodingV2 differ from their defaults: [2019-05-23 11:23:09,188 INFO L146 ILogger]: * Create parallel compositions if possible=false [2019-05-23 11:23:09,188 INFO L146 ILogger]: * Use SBE=true [2019-05-23 11:23:09,188 INFO L146 ILogger]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-05-23 11:23:09,188 INFO L146 ILogger]: * sizeof long=4 [2019-05-23 11:23:09,188 INFO L146 ILogger]: * Overapproximate operations on floating types=true [2019-05-23 11:23:09,189 INFO L146 ILogger]: * sizeof POINTER=4 [2019-05-23 11:23:09,189 INFO L146 ILogger]: * Check division by zero=IGNORE [2019-05-23 11:23:09,189 INFO L146 ILogger]: * Pointer to allocated memory at dereference=IGNORE [2019-05-23 11:23:09,189 INFO L146 ILogger]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-05-23 11:23:09,189 INFO L146 ILogger]: * Check array bounds for arrays that are off heap=IGNORE [2019-05-23 11:23:09,190 INFO L146 ILogger]: * sizeof long double=12 [2019-05-23 11:23:09,190 INFO L146 ILogger]: * Check if freed pointer was valid=false [2019-05-23 11:23:09,190 INFO L146 ILogger]: * Use constant arrays=true [2019-05-23 11:23:09,190 INFO L146 ILogger]: * Pointer base address is valid at dereference=IGNORE [2019-05-23 11:23:09,190 INFO L146 ILogger]: Preferences of RCFGBuilder differ from their defaults: [2019-05-23 11:23:09,191 INFO L146 ILogger]: * Size of a code block=SequenceOfStatements [2019-05-23 11:23:09,191 INFO L146 ILogger]: * To the following directory=./dump/ [2019-05-23 11:23:09,191 INFO L146 ILogger]: * SMT solver=External_DefaultMode [2019-05-23 11:23:09,191 INFO L146 ILogger]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-05-23 11:23:09,192 INFO L146 ILogger]: Preferences of TraceAbstraction differ from their defaults: [2019-05-23 11:23:09,192 INFO L146 ILogger]: * Compute Interpolants along a Counterexample=FPandBP [2019-05-23 11:23:09,192 INFO L146 ILogger]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-05-23 11:23:09,192 INFO L146 ILogger]: * Trace refinement strategy=CAMEL [2019-05-23 11:23:09,192 INFO L146 ILogger]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-05-23 11:23:09,193 INFO L146 ILogger]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-05-23 11:23:09,193 INFO L146 ILogger]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 11:23:09,247 INFO L146 ILogger]: Repository-Root is: /tmp [2019-05-23 11:23:09,267 INFO L146 ILogger]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-05-23 11:23:09,273 INFO L146 ILogger]: [Toolchain 1]: Toolchain selected. [2019-05-23 11:23:09,275 INFO L146 ILogger]: Initializing CDTParser... [2019-05-23 11:23:09,275 INFO L146 ILogger]: CDTParser initialized [2019-05-23 11:23:09,276 INFO L146 ILogger]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/reducercommutativity/avg_true-unreach-call_true-termination.i [2019-05-23 11:23:09,340 INFO L146 ILogger]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a664e806f/7c5b13ba838a4750b3843ffb92721d30/FLAGeedd89186 [2019-05-23 11:23:09,764 INFO L146 ILogger]: Found 1 translation units. [2019-05-23 11:23:09,765 INFO L146 ILogger]: Scanning /storage/repos/svcomp/c/reducercommutativity/avg_true-unreach-call_true-termination.i [2019-05-23 11:23:09,770 INFO L146 ILogger]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a664e806f/7c5b13ba838a4750b3843ffb92721d30/FLAGeedd89186 [2019-05-23 11:23:10,137 INFO L146 ILogger]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a664e806f/7c5b13ba838a4750b3843ffb92721d30 [2019-05-23 11:23:10,147 INFO L146 ILogger]: ####################### [Toolchain 1] ####################### [2019-05-23 11:23:10,149 INFO L146 ILogger]: Walking toolchain with 5 elements. [2019-05-23 11:23:10,150 INFO L146 ILogger]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-05-23 11:23:10,150 INFO L146 ILogger]: Initializing CACSL2BoogieTranslator... [2019-05-23 11:23:10,153 INFO L146 ILogger]: CACSL2BoogieTranslator initialized [2019-05-23 11:23:10,154 INFO L146 ILogger]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.05 11:23:10" (1/1) ... [2019-05-23 11:23:10,157 INFO L146 ILogger]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d904b2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:23:10, skipping insertion in model container [2019-05-23 11:23:10,157 INFO L146 ILogger]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.05 11:23:10" (1/1) ... [2019-05-23 11:23:10,165 INFO L146 ILogger]: Starting translation in SV-COMP mode [2019-05-23 11:23:10,186 INFO L146 ILogger]: Built tables and reachable declarations [2019-05-23 11:23:10,383 INFO L146 ILogger]: Analyzing one entry point: main [2019-05-23 11:23:10,398 INFO L146 ILogger]: Completed pre-run [2019-05-23 11:23:10,426 INFO L146 ILogger]: Analyzing one entry point: main [2019-05-23 11:23:10,441 INFO L146 ILogger]: Completed translation [2019-05-23 11:23:10,441 INFO L146 ILogger]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:23:10 WrapperNode [2019-05-23 11:23:10,442 INFO L146 ILogger]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-05-23 11:23:10,442 INFO L146 ILogger]: ------------------------Boogie Procedure Inliner---------------------------- [2019-05-23 11:23:10,443 INFO L146 ILogger]: Initializing Boogie Procedure Inliner... [2019-05-23 11:23:10,443 INFO L146 ILogger]: Boogie Procedure Inliner initialized [2019-05-23 11:23:10,451 INFO L146 ILogger]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:23:10" (1/1) ... [2019-05-23 11:23:10,459 INFO L146 ILogger]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:23:10" (1/1) ... [2019-05-23 11:23:10,490 INFO L146 ILogger]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-05-23 11:23:10,491 INFO L146 ILogger]: ------------------------Boogie Preprocessor---------------------------- [2019-05-23 11:23:10,491 INFO L146 ILogger]: Initializing Boogie Preprocessor... [2019-05-23 11:23:10,491 INFO L146 ILogger]: Boogie Preprocessor initialized [2019-05-23 11:23:10,502 INFO L146 ILogger]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:23:10" (1/1) ... [2019-05-23 11:23:10,502 INFO L146 ILogger]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:23:10" (1/1) ... [2019-05-23 11:23:10,506 INFO L146 ILogger]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:23:10" (1/1) ... [2019-05-23 11:23:10,506 INFO L146 ILogger]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:23:10" (1/1) ... [2019-05-23 11:23:10,610 INFO L146 ILogger]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:23:10" (1/1) ... [2019-05-23 11:23:10,618 INFO L146 ILogger]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:23:10" (1/1) ... [2019-05-23 11:23:10,623 INFO L146 ILogger]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:23:10" (1/1) ... [2019-05-23 11:23:10,628 INFO L146 ILogger]: ------------------------ END Boogie Preprocessor---------------------------- [2019-05-23 11:23:10,629 INFO L146 ILogger]: ------------------------RCFGBuilder---------------------------- [2019-05-23 11:23:10,629 INFO L146 ILogger]: Initializing RCFGBuilder... [2019-05-23 11:23:10,629 INFO L146 ILogger]: RCFGBuilder initialized [2019-05-23 11:23:10,630 INFO L146 ILogger]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:23:10" (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 11:23:10,686 INFO L146 ILogger]: Found specification of procedure write~int [2019-05-23 11:23:10,686 INFO L146 ILogger]: Found specification of procedure ULTIMATE.start [2019-05-23 11:23:10,686 INFO L146 ILogger]: Found implementation of procedure ULTIMATE.start [2019-05-23 11:23:10,687 INFO L146 ILogger]: Found specification of procedure read~int [2019-05-23 11:23:10,687 INFO L146 ILogger]: Found specification of procedure #Ultimate.allocOnStack [2019-05-23 11:23:10,687 INFO L146 ILogger]: Found specification of procedure ULTIMATE.dealloc [2019-05-23 11:23:11,302 INFO L146 ILogger]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-05-23 11:23:11,303 INFO L146 ILogger]: Removed 14 assume(true) statements. [2019-05-23 11:23:11,304 INFO L146 ILogger]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 11:23:11 BoogieIcfgContainer [2019-05-23 11:23:11,304 INFO L146 ILogger]: ------------------------ END RCFGBuilder---------------------------- [2019-05-23 11:23:11,305 INFO L146 ILogger]: ------------------------TraceAbstraction---------------------------- [2019-05-23 11:23:11,305 INFO L146 ILogger]: Initializing TraceAbstraction... [2019-05-23 11:23:11,308 INFO L146 ILogger]: TraceAbstraction initialized [2019-05-23 11:23:11,308 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.05 11:23:10" (1/3) ... [2019-05-23 11:23:11,309 INFO L146 ILogger]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26838be2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.05 11:23:11, skipping insertion in model container [2019-05-23 11:23:11,309 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:23:10" (2/3) ... [2019-05-23 11:23:11,309 INFO L146 ILogger]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26838be2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.05 11:23:11, skipping insertion in model container [2019-05-23 11:23:11,310 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 11:23:11" (3/3) ... [2019-05-23 11:23:11,311 INFO L146 ILogger]: Analyzing ICFG avg_true-unreach-call_true-termination.i [2019-05-23 11:23:11,320 INFO L146 ILogger]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-05-23 11:23:11,326 INFO L146 ILogger]: Appying trace abstraction to program that has 1 error locations. [2019-05-23 11:23:11,342 INFO L146 ILogger]: Starting to check reachability of 1 error locations. [2019-05-23 11:23:11,371 INFO L146 ILogger]: Using default assertion order modulation [2019-05-23 11:23:11,372 INFO L146 ILogger]: Interprodecural is true [2019-05-23 11:23:11,372 INFO L146 ILogger]: Hoare is true [2019-05-23 11:23:11,372 INFO L146 ILogger]: Compute interpolants for FPandBP [2019-05-23 11:23:11,372 INFO L146 ILogger]: Backedges is STRAIGHT_LINE [2019-05-23 11:23:11,372 INFO L146 ILogger]: Determinization is PREDICATE_ABSTRACTION [2019-05-23 11:23:11,373 INFO L146 ILogger]: Difference is false [2019-05-23 11:23:11,373 INFO L146 ILogger]: Minimize is MINIMIZE_SEVPA [2019-05-23 11:23:11,373 INFO L146 ILogger]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-05-23 11:23:11,391 INFO L146 ILogger]: Start isEmpty. Operand 102 states. [2019-05-23 11:23:11,400 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 72 [2019-05-23 11:23:11,400 INFO L146 ILogger]: Found error trace [2019-05-23 11:23:11,401 INFO L146 ILogger]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-05-23 11:23:11,404 INFO L146 ILogger]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:23:11,409 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:23:11,409 INFO L146 ILogger]: Analyzing trace with hash 2104564739, now seen corresponding path program 1 times [2019-05-23 11:23:11,411 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:23:11,412 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:23:11,455 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:23:11,455 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:23:11,455 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:23:11,499 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:23:11,560 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 11:23:11,563 INFO L146 ILogger]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-05-23 11:23:11,563 INFO L146 ILogger]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-05-23 11:23:11,567 INFO L146 ILogger]: Interpolant automaton has 2 states [2019-05-23 11:23:11,580 INFO L146 ILogger]: Constructing interpolant automaton starting with 2 interpolants. [2019-05-23 11:23:11,581 INFO L146 ILogger]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-05-23 11:23:11,583 INFO L146 ILogger]: Start difference. First operand 102 states. Second operand 2 states. [2019-05-23 11:23:11,608 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:23:11,608 INFO L146 ILogger]: Finished difference Result 175 states and 190 transitions. [2019-05-23 11:23:11,608 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-05-23 11:23:11,610 INFO L146 ILogger]: Start accepts. Automaton has 2 states. Word has length 71 [2019-05-23 11:23:11,610 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:23:11,621 INFO L146 ILogger]: With dead ends: 175 [2019-05-23 11:23:11,621 INFO L146 ILogger]: Without dead ends: 96 [2019-05-23 11:23:11,624 INFO L146 ILogger]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-05-23 11:23:11,637 INFO L146 ILogger]: Start minimizeSevpa. Operand 96 states. [2019-05-23 11:23:11,654 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-05-23 11:23:11,657 INFO L146 ILogger]: Start removeUnreachable. Operand 96 states. [2019-05-23 11:23:11,659 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 96 states to 96 states and 99 transitions. [2019-05-23 11:23:11,663 INFO L146 ILogger]: Start accepts. Automaton has 96 states and 99 transitions. Word has length 71 [2019-05-23 11:23:11,664 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:23:11,664 INFO L146 ILogger]: Abstraction has 96 states and 99 transitions. [2019-05-23 11:23:11,664 INFO L146 ILogger]: Interpolant automaton has 2 states. [2019-05-23 11:23:11,665 INFO L146 ILogger]: Start isEmpty. Operand 96 states and 99 transitions. [2019-05-23 11:23:11,668 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 72 [2019-05-23 11:23:11,668 INFO L146 ILogger]: Found error trace [2019-05-23 11:23:11,669 INFO L146 ILogger]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-05-23 11:23:11,669 INFO L146 ILogger]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:23:11,670 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:23:11,670 INFO L146 ILogger]: Analyzing trace with hash -1293992114, now seen corresponding path program 1 times [2019-05-23 11:23:11,670 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:23:11,670 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:23:11,671 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:23:11,671 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:23:11,671 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:23:11,687 ERROR L146 ILogger]: Caught known exception: Unsupported non-linear arithmetic [2019-05-23 11:23:11,688 INFO L146 ILogger]: Advancing trace checker [2019-05-23 11:23:11,688 INFO L146 ILogger]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-05-23 11:23:11,700 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:23:11,745 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:23:11,747 INFO L146 ILogger]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2019-05-23 11:23:11,756 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 11:23:11,817 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 11:23:11,845 INFO L146 ILogger]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-05-23 11:23:11,846 INFO L146 ILogger]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-05-23 11:23:11,847 INFO L146 ILogger]: Interpolant automaton has 4 states [2019-05-23 11:23:11,850 INFO L146 ILogger]: Constructing interpolant automaton starting with 4 interpolants. [2019-05-23 11:23:11,850 INFO L146 ILogger]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-05-23 11:23:11,851 INFO L146 ILogger]: Start difference. First operand 96 states and 99 transitions. Second operand 4 states. [2019-05-23 11:23:12,404 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:23:12,405 INFO L146 ILogger]: Finished difference Result 181 states and 189 transitions. [2019-05-23 11:23:12,405 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-05-23 11:23:12,405 INFO L146 ILogger]: Start accepts. Automaton has 4 states. Word has length 71 [2019-05-23 11:23:12,406 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:23:12,407 INFO L146 ILogger]: With dead ends: 181 [2019-05-23 11:23:12,407 INFO L146 ILogger]: Without dead ends: 114 [2019-05-23 11:23:12,409 INFO L146 ILogger]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-05-23 11:23:12,409 INFO L146 ILogger]: Start minimizeSevpa. Operand 114 states. [2019-05-23 11:23:12,418 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 114 to 99. [2019-05-23 11:23:12,419 INFO L146 ILogger]: Start removeUnreachable. Operand 99 states. [2019-05-23 11:23:12,420 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 99 states to 99 states and 102 transitions. [2019-05-23 11:23:12,420 INFO L146 ILogger]: Start accepts. Automaton has 99 states and 102 transitions. Word has length 71 [2019-05-23 11:23:12,420 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:23:12,421 INFO L146 ILogger]: Abstraction has 99 states and 102 transitions. [2019-05-23 11:23:12,421 INFO L146 ILogger]: Interpolant automaton has 4 states. [2019-05-23 11:23:12,421 INFO L146 ILogger]: Start isEmpty. Operand 99 states and 102 transitions. [2019-05-23 11:23:12,424 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 93 [2019-05-23 11:23:12,424 INFO L146 ILogger]: Found error trace [2019-05-23 11:23:12,424 INFO L146 ILogger]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-05-23 11:23:12,425 INFO L146 ILogger]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:23:12,425 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:23:12,425 INFO L146 ILogger]: Analyzing trace with hash 1123833431, now seen corresponding path program 1 times [2019-05-23 11:23:12,425 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:23:12,426 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:23:12,427 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:23:12,427 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:23:12,427 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:23:12,443 ERROR L146 ILogger]: Caught known exception: Unsupported non-linear arithmetic [2019-05-23 11:23:12,443 INFO L146 ILogger]: Advancing trace checker [2019-05-23 11:23:12,443 INFO L146 ILogger]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-05-23 11:23:12,459 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:23:12,503 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:23:12,505 INFO L146 ILogger]: Trace formula consists of 161 conjuncts, 5 conjunts are in the unsatisfiable core [2019-05-23 11:23:12,511 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 11:23:12,751 INFO L146 ILogger]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-05-23 11:23:12,777 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 11:23:12,777 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-05-23 11:23:12,778 INFO L146 ILogger]: Interpolant automaton has 6 states [2019-05-23 11:23:12,778 INFO L146 ILogger]: Constructing interpolant automaton starting with 6 interpolants. [2019-05-23 11:23:12,779 INFO L146 ILogger]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-05-23 11:23:12,779 INFO L146 ILogger]: Start difference. First operand 99 states and 102 transitions. Second operand 6 states. [2019-05-23 11:23:13,348 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:23:13,348 INFO L146 ILogger]: Finished difference Result 204 states and 212 transitions. [2019-05-23 11:23:13,349 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-05-23 11:23:13,349 INFO L146 ILogger]: Start accepts. Automaton has 6 states. Word has length 92 [2019-05-23 11:23:13,349 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:23:13,351 INFO L146 ILogger]: With dead ends: 204 [2019-05-23 11:23:13,352 INFO L146 ILogger]: Without dead ends: 135 [2019-05-23 11:23:13,353 INFO L146 ILogger]: 0 DeclaredPredicates, 93 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-05-23 11:23:13,354 INFO L146 ILogger]: Start minimizeSevpa. Operand 135 states. [2019-05-23 11:23:13,372 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 135 to 120. [2019-05-23 11:23:13,373 INFO L146 ILogger]: Start removeUnreachable. Operand 120 states. [2019-05-23 11:23:13,376 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 120 states to 120 states and 123 transitions. [2019-05-23 11:23:13,377 INFO L146 ILogger]: Start accepts. Automaton has 120 states and 123 transitions. Word has length 92 [2019-05-23 11:23:13,377 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:23:13,377 INFO L146 ILogger]: Abstraction has 120 states and 123 transitions. [2019-05-23 11:23:13,377 INFO L146 ILogger]: Interpolant automaton has 6 states. [2019-05-23 11:23:13,377 INFO L146 ILogger]: Start isEmpty. Operand 120 states and 123 transitions. [2019-05-23 11:23:13,381 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 114 [2019-05-23 11:23:13,381 INFO L146 ILogger]: Found error trace [2019-05-23 11:23:13,382 INFO L146 ILogger]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-05-23 11:23:13,382 INFO L146 ILogger]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:23:13,382 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:23:13,383 INFO L146 ILogger]: Analyzing trace with hash 2035814510, now seen corresponding path program 2 times [2019-05-23 11:23:13,384 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:23:13,384 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:23:13,385 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:23:13,385 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:23:13,387 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:23:13,405 ERROR L146 ILogger]: Caught known exception: Unsupported non-linear arithmetic [2019-05-23 11:23:13,406 INFO L146 ILogger]: Advancing trace checker [2019-05-23 11:23:13,406 INFO L146 ILogger]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-05-23 11:23:13,422 INFO L146 ILogger]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-05-23 11:23:13,460 INFO L146 ILogger]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-05-23 11:23:13,460 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:23:13,461 INFO L146 ILogger]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2019-05-23 11:23:13,473 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 11:23:13,567 INFO L146 ILogger]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-05-23 11:23:13,586 INFO L146 ILogger]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-05-23 11:23:13,586 INFO L146 ILogger]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-05-23 11:23:13,586 INFO L146 ILogger]: Interpolant automaton has 4 states [2019-05-23 11:23:13,587 INFO L146 ILogger]: Constructing interpolant automaton starting with 4 interpolants. [2019-05-23 11:23:13,587 INFO L146 ILogger]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-05-23 11:23:13,587 INFO L146 ILogger]: Start difference. First operand 120 states and 123 transitions. Second operand 4 states. [2019-05-23 11:23:13,694 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:23:13,695 INFO L146 ILogger]: Finished difference Result 158 states and 162 transitions. [2019-05-23 11:23:13,697 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-05-23 11:23:13,697 INFO L146 ILogger]: Start accepts. Automaton has 4 states. Word has length 113 [2019-05-23 11:23:13,698 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:23:13,699 INFO L146 ILogger]: With dead ends: 158 [2019-05-23 11:23:13,700 INFO L146 ILogger]: Without dead ends: 126 [2019-05-23 11:23:13,700 INFO L146 ILogger]: 0 DeclaredPredicates, 112 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-05-23 11:23:13,701 INFO L146 ILogger]: Start minimizeSevpa. Operand 126 states. [2019-05-23 11:23:13,707 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 126 to 121. [2019-05-23 11:23:13,708 INFO L146 ILogger]: Start removeUnreachable. Operand 121 states. [2019-05-23 11:23:13,709 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 121 states to 121 states and 124 transitions. [2019-05-23 11:23:13,709 INFO L146 ILogger]: Start accepts. Automaton has 121 states and 124 transitions. Word has length 113 [2019-05-23 11:23:13,709 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:23:13,709 INFO L146 ILogger]: Abstraction has 121 states and 124 transitions. [2019-05-23 11:23:13,710 INFO L146 ILogger]: Interpolant automaton has 4 states. [2019-05-23 11:23:13,710 INFO L146 ILogger]: Start isEmpty. Operand 121 states and 124 transitions. [2019-05-23 11:23:13,711 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 121 [2019-05-23 11:23:13,712 INFO L146 ILogger]: Found error trace [2019-05-23 11:23:13,712 INFO L146 ILogger]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-05-23 11:23:13,712 INFO L146 ILogger]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:23:13,712 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:23:13,713 INFO L146 ILogger]: Analyzing trace with hash -355157445, now seen corresponding path program 1 times [2019-05-23 11:23:13,713 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:23:13,713 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:23:13,714 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:23:13,714 INFO L146 ILogger]: Changing assertion order to NOT_INCREMENTALLY [2019-05-23 11:23:13,714 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:23:13,736 ERROR L146 ILogger]: Caught known exception: Unsupported non-linear arithmetic [2019-05-23 11:23:13,736 INFO L146 ILogger]: Advancing trace checker [2019-05-23 11:23:13,737 INFO L146 ILogger]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-05-23 11:23:13,753 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:23:13,820 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:23:13,822 WARN L146 ILogger]: Trace formula consists of 204 conjuncts, 116 conjunts are in the unsatisfiable core [2019-05-23 11:23:13,828 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 11:23:14,924 WARN L146 ILogger]: Spent 352.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 48 [2019-05-23 11:23:15,596 WARN L146 ILogger]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-05-23 11:23:15,761 WARN L146 ILogger]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-05-23 11:23:16,046 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:16,085 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 56 [2019-05-23 11:23:16,086 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:16,139 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:16,166 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 54 [2019-05-23 11:23:16,167 INFO L146 ILogger]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:16,220 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:16,244 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 64 [2019-05-23 11:23:16,246 INFO L146 ILogger]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:16,267 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:16,275 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 66 [2019-05-23 11:23:16,278 INFO L146 ILogger]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:16,313 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:16,322 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 54 [2019-05-23 11:23:16,323 INFO L146 ILogger]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:16,335 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:16,337 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 52 [2019-05-23 11:23:16,339 INFO L146 ILogger]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:16,720 WARN L146 ILogger]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-05-23 11:23:16,721 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:23:16,721 INFO L146 ILogger]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2019-05-23 11:23:16,722 INFO L146 ILogger]: Needed 7 recursive calls to eliminate 1 variables, input treesize:577, output treesize:417 [2019-05-23 11:23:17,966 WARN L146 ILogger]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-05-23 11:23:18,016 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:18,055 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 54 [2019-05-23 11:23:18,056 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:18,068 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:18,143 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 64 [2019-05-23 11:23:18,144 INFO L146 ILogger]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:18,162 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:18,195 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 52 [2019-05-23 11:23:18,196 INFO L146 ILogger]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:18,211 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:18,273 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 66 [2019-05-23 11:23:18,275 INFO L146 ILogger]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:18,287 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:18,382 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 54 [2019-05-23 11:23:18,383 INFO L146 ILogger]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:18,414 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:18,431 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 56 [2019-05-23 11:23:18,432 INFO L146 ILogger]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:18,760 WARN L146 ILogger]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-05-23 11:23:18,761 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:23:18,764 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2019-05-23 11:23:18,765 INFO L146 ILogger]: Needed 7 recursive calls to eliminate 2 variables, input treesize:495, output treesize:433 [2019-05-23 11:23:21,068 WARN L146 ILogger]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-05-23 11:23:21,527 WARN L146 ILogger]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-05-23 11:23:22,694 WARN L146 ILogger]: Spent 290.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2019-05-23 11:23:23,109 WARN L146 ILogger]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-05-23 11:23:23,738 WARN L146 ILogger]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-05-23 11:23:24,194 WARN L146 ILogger]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-05-23 11:23:24,547 WARN L146 ILogger]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-05-23 11:23:24,891 WARN L146 ILogger]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-05-23 11:23:25,233 WARN L146 ILogger]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-05-23 11:23:25,329 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:25,356 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 79 [2019-05-23 11:23:25,357 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:25,411 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:25,439 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 65 [2019-05-23 11:23:25,441 INFO L146 ILogger]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:25,457 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:25,466 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 68 [2019-05-23 11:23:25,467 INFO L146 ILogger]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:25,498 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:25,518 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 72 [2019-05-23 11:23:25,519 INFO L146 ILogger]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:25,573 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:25,585 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 79 [2019-05-23 11:23:25,586 INFO L146 ILogger]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:25,638 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:25,653 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 72 [2019-05-23 11:23:25,654 INFO L146 ILogger]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:25,718 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:25,744 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 91 [2019-05-23 11:23:25,746 INFO L146 ILogger]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:25,791 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:25,808 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 89 [2019-05-23 11:23:25,809 INFO L146 ILogger]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:25,869 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:25,900 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 89 [2019-05-23 11:23:25,901 INFO L146 ILogger]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:25,953 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:25,983 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 87 [2019-05-23 11:23:25,985 INFO L146 ILogger]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:26,037 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:26,064 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 63 [2019-05-23 11:23:26,065 INFO L146 ILogger]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:26,120 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:26,136 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 74 [2019-05-23 11:23:26,137 INFO L146 ILogger]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:26,159 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:26,175 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 79 [2019-05-23 11:23:26,176 INFO L146 ILogger]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:26,221 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:26,240 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 74 [2019-05-23 11:23:26,241 INFO L146 ILogger]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:26,261 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:26,290 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 72 [2019-05-23 11:23:26,291 INFO L146 ILogger]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:26,320 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:26,334 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 67 [2019-05-23 11:23:26,335 INFO L146 ILogger]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:26,353 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:26,371 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 88 [2019-05-23 11:23:26,372 INFO L146 ILogger]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:26,394 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:26,409 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 72 [2019-05-23 11:23:26,410 INFO L146 ILogger]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:26,479 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:26,504 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 61 [2019-05-23 11:23:26,505 INFO L146 ILogger]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:26,561 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:26,585 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 75 [2019-05-23 11:23:26,586 INFO L146 ILogger]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:26,645 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:26,677 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 89 [2019-05-23 11:23:26,678 INFO L146 ILogger]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:26,736 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:26,759 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 87 [2019-05-23 11:23:26,760 INFO L146 ILogger]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:26,787 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:26,795 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 91 [2019-05-23 11:23:26,796 INFO L146 ILogger]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:26,850 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:26,856 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 79 [2019-05-23 11:23:26,857 INFO L146 ILogger]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:26,889 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:26,903 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 89 [2019-05-23 11:23:26,904 INFO L146 ILogger]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:26,921 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:26,922 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 88 [2019-05-23 11:23:26,924 INFO L146 ILogger]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:40,081 WARN L146 ILogger]: Spent 13.16 s on a formula simplification. DAG size of input: 93 DAG size of output: 52 [2019-05-23 11:23:40,081 INFO L146 ILogger]: treesize reduction 2099, result has 18.6 percent of original size [2019-05-23 11:23:40,082 INFO L146 ILogger]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2019-05-23 11:23:40,082 INFO L146 ILogger]: Needed 27 recursive calls to eliminate 1 variables, input treesize:3640, output treesize:479 [2019-05-23 11:23:40,816 WARN L146 ILogger]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-05-23 11:23:40,840 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:40,841 INFO L146 ILogger]: detected equality via solver [2019-05-23 11:23:40,865 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 78 [2019-05-23 11:23:40,866 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:40,877 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:40,877 INFO L146 ILogger]: detected equality via solver [2019-05-23 11:23:40,903 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2019-05-23 11:23:40,904 INFO L146 ILogger]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:40,914 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:40,915 INFO L146 ILogger]: detected equality via solver [2019-05-23 11:23:40,947 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 66 [2019-05-23 11:23:40,948 INFO L146 ILogger]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:40,961 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:40,962 INFO L146 ILogger]: detected equality via solver [2019-05-23 11:23:41,004 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 68 [2019-05-23 11:23:41,005 INFO L146 ILogger]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:41,016 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:41,017 INFO L146 ILogger]: detected equality via solver [2019-05-23 11:23:41,049 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 70 [2019-05-23 11:23:41,050 INFO L146 ILogger]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:41,063 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:23:41,063 INFO L146 ILogger]: detected equality via solver [2019-05-23 11:23:41,071 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 64 [2019-05-23 11:23:41,072 INFO L146 ILogger]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:41,285 WARN L146 ILogger]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-05-23 11:23:41,285 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:23:41,288 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2019-05-23 11:23:41,289 INFO L146 ILogger]: Needed 7 recursive calls to eliminate 2 variables, input treesize:575, output treesize:635 [2019-05-23 11:23:42,523 WARN L146 ILogger]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-05-23 11:23:43,219 WARN L146 ILogger]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-05-23 11:23:43,542 WARN L146 ILogger]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-05-23 11:23:43,928 WARN L146 ILogger]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-05-23 11:23:44,194 WARN L146 ILogger]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-05-23 11:23:44,537 WARN L146 ILogger]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-05-23 11:23:44,983 WARN L146 ILogger]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-05-23 11:23:45,397 WARN L146 ILogger]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-05-23 11:23:45,469 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 56 [2019-05-23 11:23:45,470 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:45,476 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 63 [2019-05-23 11:23:45,477 INFO L146 ILogger]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:45,493 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 59 [2019-05-23 11:23:45,494 INFO L146 ILogger]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:45,509 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 73 [2019-05-23 11:23:45,511 INFO L146 ILogger]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:45,547 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 73 [2019-05-23 11:23:45,548 INFO L146 ILogger]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:45,558 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 75 [2019-05-23 11:23:45,559 INFO L146 ILogger]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:45,573 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 45 [2019-05-23 11:23:45,574 INFO L146 ILogger]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:45,585 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 56 [2019-05-23 11:23:45,586 INFO L146 ILogger]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:45,597 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 63 [2019-05-23 11:23:45,598 INFO L146 ILogger]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:45,611 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 72 [2019-05-23 11:23:45,612 INFO L146 ILogger]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:45,624 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 52 [2019-05-23 11:23:45,625 INFO L146 ILogger]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:45,640 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 52 [2019-05-23 11:23:45,641 INFO L146 ILogger]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:45,653 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 56 [2019-05-23 11:23:45,653 INFO L146 ILogger]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:45,666 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 73 [2019-05-23 11:23:45,667 INFO L146 ILogger]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:45,680 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 63 [2019-05-23 11:23:45,682 INFO L146 ILogger]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:45,694 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 49 [2019-05-23 11:23:45,695 INFO L146 ILogger]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:45,713 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 47 [2019-05-23 11:23:45,714 INFO L146 ILogger]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:45,730 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 75 [2019-05-23 11:23:45,731 INFO L146 ILogger]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:45,751 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 63 [2019-05-23 11:23:45,752 INFO L146 ILogger]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:45,769 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 71 [2019-05-23 11:23:45,769 INFO L146 ILogger]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:45,784 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 58 [2019-05-23 11:23:45,785 INFO L146 ILogger]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:45,801 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 63 [2019-05-23 11:23:45,802 INFO L146 ILogger]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:45,817 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 72 [2019-05-23 11:23:45,817 INFO L146 ILogger]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:45,835 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 58 [2019-05-23 11:23:45,836 INFO L146 ILogger]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:45,852 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 51 [2019-05-23 11:23:45,853 INFO L146 ILogger]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:45,866 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 73 [2019-05-23 11:23:45,867 INFO L146 ILogger]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:45,926 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 71 [2019-05-23 11:23:45,927 INFO L146 ILogger]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:45,977 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:23:45,978 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 104 treesize of output 56 [2019-05-23 11:23:45,979 INFO L146 ILogger]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2019-05-23 11:23:48,659 WARN L146 ILogger]: Spent 2.68 s on a formula simplification. DAG size of input: 63 DAG size of output: 43 [2019-05-23 11:23:48,660 INFO L146 ILogger]: treesize reduction 1196, result has 18.9 percent of original size [2019-05-23 11:23:48,661 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2019-05-23 11:23:48,661 INFO L146 ILogger]: Needed 29 recursive calls to eliminate 2 variables, input treesize:3227, output treesize:279 [2019-05-23 11:23:49,864 WARN L146 ILogger]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-05-23 11:23:50,357 WARN L146 ILogger]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 41