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/array-tiling/mbpr4_true-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-7aa59a0 [2019-05-23 11:25:01,769 INFO L146 ILogger]: Resetting all preferences to default values... [2019-05-23 11:25:01,771 INFO L146 ILogger]: Resetting UltimateCore preferences to default values [2019-05-23 11:25:01,783 INFO L146 ILogger]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-05-23 11:25:01,784 INFO L146 ILogger]: Resetting Boogie Preprocessor preferences to default values [2019-05-23 11:25:01,785 INFO L146 ILogger]: Resetting Boogie Procedure Inliner preferences to default values [2019-05-23 11:25:01,786 INFO L146 ILogger]: Resetting Abstract Interpretation preferences to default values [2019-05-23 11:25:01,788 INFO L146 ILogger]: Resetting LassoRanker preferences to default values [2019-05-23 11:25:01,790 INFO L146 ILogger]: Resetting Reaching Definitions preferences to default values [2019-05-23 11:25:01,791 INFO L146 ILogger]: Resetting SyntaxChecker preferences to default values [2019-05-23 11:25:01,792 INFO L146 ILogger]: Büchi Program Product provides no preferences, ignoring... [2019-05-23 11:25:01,792 INFO L146 ILogger]: Resetting LTL2Aut preferences to default values [2019-05-23 11:25:01,793 INFO L146 ILogger]: Resetting PEA to Boogie preferences to default values [2019-05-23 11:25:01,794 INFO L146 ILogger]: Resetting BlockEncodingV2 preferences to default values [2019-05-23 11:25:01,795 INFO L146 ILogger]: Resetting ChcToBoogie preferences to default values [2019-05-23 11:25:01,796 INFO L146 ILogger]: Resetting AutomataScriptInterpreter preferences to default values [2019-05-23 11:25:01,797 INFO L146 ILogger]: Resetting BuchiAutomizer preferences to default values [2019-05-23 11:25:01,799 INFO L146 ILogger]: Resetting CACSL2BoogieTranslator preferences to default values [2019-05-23 11:25:01,801 INFO L146 ILogger]: Resetting CodeCheck preferences to default values [2019-05-23 11:25:01,802 INFO L146 ILogger]: Resetting InvariantSynthesis preferences to default values [2019-05-23 11:25:01,803 INFO L146 ILogger]: Resetting RCFGBuilder preferences to default values [2019-05-23 11:25:01,805 INFO L146 ILogger]: Resetting TraceAbstraction preferences to default values [2019-05-23 11:25:01,807 INFO L146 ILogger]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-05-23 11:25:01,808 INFO L146 ILogger]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-05-23 11:25:01,808 INFO L146 ILogger]: Resetting TreeAutomizer preferences to default values [2019-05-23 11:25:01,809 INFO L146 ILogger]: Resetting IcfgToChc preferences to default values [2019-05-23 11:25:01,809 INFO L146 ILogger]: Resetting IcfgTransformer preferences to default values [2019-05-23 11:25:01,811 INFO L146 ILogger]: ReqToTest provides no preferences, ignoring... [2019-05-23 11:25:01,811 INFO L146 ILogger]: Resetting Boogie Printer preferences to default values [2019-05-23 11:25:01,812 INFO L146 ILogger]: Resetting ChcSmtPrinter preferences to default values [2019-05-23 11:25:01,813 INFO L146 ILogger]: Resetting ReqPrinter preferences to default values [2019-05-23 11:25:01,813 INFO L146 ILogger]: Resetting Witness Printer preferences to default values [2019-05-23 11:25:01,815 INFO L146 ILogger]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-05-23 11:25:01,815 INFO L146 ILogger]: Resetting CDTParser preferences to default values [2019-05-23 11:25:01,815 INFO L146 ILogger]: AutomataScriptParser provides no preferences, ignoring... [2019-05-23 11:25:01,816 INFO L146 ILogger]: ReqParser provides no preferences, ignoring... [2019-05-23 11:25:01,816 INFO L146 ILogger]: Resetting SmtParser preferences to default values [2019-05-23 11:25:01,817 INFO L146 ILogger]: Resetting Witness Parser preferences to default values [2019-05-23 11:25:01,818 INFO L146 ILogger]: Finished resetting all preferences to default values... [2019-05-23 11:25:01,818 INFO L146 ILogger]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-05-23 11:25:01,840 INFO L146 ILogger]: Loading preferences was successful [2019-05-23 11:25:01,840 INFO L146 ILogger]: Preferences different from defaults after loading the file: [2019-05-23 11:25:01,843 INFO L146 ILogger]: Preferences of BlockEncodingV2 differ from their defaults: [2019-05-23 11:25:01,843 INFO L146 ILogger]: * Create parallel compositions if possible=false [2019-05-23 11:25:01,843 INFO L146 ILogger]: * Use SBE=true [2019-05-23 11:25:01,843 INFO L146 ILogger]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-05-23 11:25:01,844 INFO L146 ILogger]: * sizeof long=4 [2019-05-23 11:25:01,844 INFO L146 ILogger]: * Overapproximate operations on floating types=true [2019-05-23 11:25:01,844 INFO L146 ILogger]: * sizeof POINTER=4 [2019-05-23 11:25:01,844 INFO L146 ILogger]: * Check division by zero=IGNORE [2019-05-23 11:25:01,844 INFO L146 ILogger]: * Pointer to allocated memory at dereference=IGNORE [2019-05-23 11:25:01,844 INFO L146 ILogger]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-05-23 11:25:01,846 INFO L146 ILogger]: * Check array bounds for arrays that are off heap=IGNORE [2019-05-23 11:25:01,846 INFO L146 ILogger]: * sizeof long double=12 [2019-05-23 11:25:01,846 INFO L146 ILogger]: * Check if freed pointer was valid=false [2019-05-23 11:25:01,846 INFO L146 ILogger]: * Use constant arrays=true [2019-05-23 11:25:01,846 INFO L146 ILogger]: * Pointer base address is valid at dereference=IGNORE [2019-05-23 11:25:01,847 INFO L146 ILogger]: Preferences of RCFGBuilder differ from their defaults: [2019-05-23 11:25:01,847 INFO L146 ILogger]: * Size of a code block=SequenceOfStatements [2019-05-23 11:25:01,847 INFO L146 ILogger]: * To the following directory=./dump/ [2019-05-23 11:25:01,847 INFO L146 ILogger]: * SMT solver=External_DefaultMode [2019-05-23 11:25:01,847 INFO L146 ILogger]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-05-23 11:25:01,848 INFO L146 ILogger]: Preferences of TraceAbstraction differ from their defaults: [2019-05-23 11:25:01,848 INFO L146 ILogger]: * Compute Interpolants along a Counterexample=FPandBP [2019-05-23 11:25:01,848 INFO L146 ILogger]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-05-23 11:25:01,849 INFO L146 ILogger]: * Trace refinement strategy=CAMEL [2019-05-23 11:25:01,849 INFO L146 ILogger]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-05-23 11:25:01,849 INFO L146 ILogger]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-05-23 11:25:01,849 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 11:25:01,897 INFO L146 ILogger]: Repository-Root is: /tmp [2019-05-23 11:25:01,910 INFO L146 ILogger]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-05-23 11:25:01,913 INFO L146 ILogger]: [Toolchain 1]: Toolchain selected. [2019-05-23 11:25:01,915 INFO L146 ILogger]: Initializing CDTParser... [2019-05-23 11:25:01,915 INFO L146 ILogger]: CDTParser initialized [2019-05-23 11:25:01,916 INFO L146 ILogger]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/array-tiling/mbpr4_true-unreach-call.i [2019-05-23 11:25:01,970 INFO L146 ILogger]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16f609f3d/aaa5e08ea7ad43039f2831c01d40fb8c/FLAGaec80702a [2019-05-23 11:25:02,417 INFO L146 ILogger]: Found 1 translation units. [2019-05-23 11:25:02,417 INFO L146 ILogger]: Scanning /storage/repos/svcomp/c/array-tiling/mbpr4_true-unreach-call.i [2019-05-23 11:25:02,424 INFO L146 ILogger]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16f609f3d/aaa5e08ea7ad43039f2831c01d40fb8c/FLAGaec80702a [2019-05-23 11:25:02,785 INFO L146 ILogger]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16f609f3d/aaa5e08ea7ad43039f2831c01d40fb8c [2019-05-23 11:25:02,794 INFO L146 ILogger]: ####################### [Toolchain 1] ####################### [2019-05-23 11:25:02,796 INFO L146 ILogger]: Walking toolchain with 5 elements. [2019-05-23 11:25:02,797 INFO L146 ILogger]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-05-23 11:25:02,797 INFO L146 ILogger]: Initializing CACSL2BoogieTranslator... [2019-05-23 11:25:02,801 INFO L146 ILogger]: CACSL2BoogieTranslator initialized [2019-05-23 11:25:02,802 INFO L146 ILogger]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.05 11:25:02" (1/1) ... [2019-05-23 11:25:02,805 INFO L146 ILogger]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70b8df23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:25:02, skipping insertion in model container [2019-05-23 11:25:02,805 INFO L146 ILogger]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.05 11:25:02" (1/1) ... [2019-05-23 11:25:02,812 INFO L146 ILogger]: Starting translation in SV-COMP mode [2019-05-23 11:25:02,841 INFO L146 ILogger]: Built tables and reachable declarations [2019-05-23 11:25:03,069 INFO L146 ILogger]: Analyzing one entry point: main [2019-05-23 11:25:03,074 INFO L146 ILogger]: Completed pre-run [2019-05-23 11:25:03,126 INFO L146 ILogger]: Analyzing one entry point: main [2019-05-23 11:25:03,153 INFO L146 ILogger]: Completed translation [2019-05-23 11:25:03,153 INFO L146 ILogger]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:25:03 WrapperNode [2019-05-23 11:25:03,154 INFO L146 ILogger]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-05-23 11:25:03,154 INFO L146 ILogger]: ------------------------Boogie Procedure Inliner---------------------------- [2019-05-23 11:25:03,155 INFO L146 ILogger]: Initializing Boogie Procedure Inliner... [2019-05-23 11:25:03,155 INFO L146 ILogger]: Boogie Procedure Inliner initialized [2019-05-23 11:25:03,164 INFO L146 ILogger]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:25:03" (1/1) ... [2019-05-23 11:25:03,177 INFO L146 ILogger]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:25:03" (1/1) ... [2019-05-23 11:25:03,303 INFO L146 ILogger]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-05-23 11:25:03,303 INFO L146 ILogger]: ------------------------Boogie Preprocessor---------------------------- [2019-05-23 11:25:03,303 INFO L146 ILogger]: Initializing Boogie Preprocessor... [2019-05-23 11:25:03,303 INFO L146 ILogger]: Boogie Preprocessor initialized [2019-05-23 11:25:03,312 INFO L146 ILogger]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:25:03" (1/1) ... [2019-05-23 11:25:03,313 INFO L146 ILogger]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:25:03" (1/1) ... [2019-05-23 11:25:03,316 INFO L146 ILogger]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:25:03" (1/1) ... [2019-05-23 11:25:03,316 INFO L146 ILogger]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:25:03" (1/1) ... [2019-05-23 11:25:03,326 INFO L146 ILogger]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:25:03" (1/1) ... [2019-05-23 11:25:03,331 INFO L146 ILogger]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:25:03" (1/1) ... [2019-05-23 11:25:03,335 INFO L146 ILogger]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:25:03" (1/1) ... [2019-05-23 11:25:03,340 INFO L146 ILogger]: ------------------------ END Boogie Preprocessor---------------------------- [2019-05-23 11:25:03,343 INFO L146 ILogger]: ------------------------RCFGBuilder---------------------------- [2019-05-23 11:25:03,343 INFO L146 ILogger]: Initializing RCFGBuilder... [2019-05-23 11:25:03,344 INFO L146 ILogger]: RCFGBuilder initialized [2019-05-23 11:25:03,344 INFO L146 ILogger]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:25:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory: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 11:25:03,403 INFO L146 ILogger]: Found specification of procedure write~int [2019-05-23 11:25:03,403 INFO L146 ILogger]: Found specification of procedure ULTIMATE.start [2019-05-23 11:25:03,403 INFO L146 ILogger]: Found implementation of procedure ULTIMATE.start [2019-05-23 11:25:03,403 INFO L146 ILogger]: Found specification of procedure read~int [2019-05-23 11:25:03,403 INFO L146 ILogger]: Found specification of procedure #Ultimate.allocOnStack [2019-05-23 11:25:03,403 INFO L146 ILogger]: Found specification of procedure ULTIMATE.dealloc [2019-05-23 11:25:04,207 INFO L146 ILogger]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-05-23 11:25:04,207 INFO L146 ILogger]: Removed 11 assume(true) statements. [2019-05-23 11:25:04,209 INFO L146 ILogger]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 11:25:04 BoogieIcfgContainer [2019-05-23 11:25:04,210 INFO L146 ILogger]: ------------------------ END RCFGBuilder---------------------------- [2019-05-23 11:25:04,211 INFO L146 ILogger]: ------------------------TraceAbstraction---------------------------- [2019-05-23 11:25:04,211 INFO L146 ILogger]: Initializing TraceAbstraction... [2019-05-23 11:25:04,215 INFO L146 ILogger]: TraceAbstraction initialized [2019-05-23 11:25:04,215 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.05 11:25:02" (1/3) ... [2019-05-23 11:25:04,216 INFO L146 ILogger]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aaa48a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.05 11:25:04, skipping insertion in model container [2019-05-23 11:25:04,216 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:25:03" (2/3) ... [2019-05-23 11:25:04,217 INFO L146 ILogger]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aaa48a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.05 11:25:04, skipping insertion in model container [2019-05-23 11:25:04,217 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 11:25:04" (3/3) ... [2019-05-23 11:25:04,220 INFO L146 ILogger]: Analyzing ICFG mbpr4_true-unreach-call.i [2019-05-23 11:25:04,231 INFO L146 ILogger]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-05-23 11:25:04,240 INFO L146 ILogger]: Appying trace abstraction to program that has 1 error locations. [2019-05-23 11:25:04,259 INFO L146 ILogger]: Starting to check reachability of 1 error locations. [2019-05-23 11:25:04,291 INFO L146 ILogger]: Using default assertion order modulation [2019-05-23 11:25:04,292 INFO L146 ILogger]: Interprodecural is true [2019-05-23 11:25:04,292 INFO L146 ILogger]: Hoare is true [2019-05-23 11:25:04,292 INFO L146 ILogger]: Compute interpolants for FPandBP [2019-05-23 11:25:04,293 INFO L146 ILogger]: Backedges is STRAIGHT_LINE [2019-05-23 11:25:04,293 INFO L146 ILogger]: Determinization is PREDICATE_ABSTRACTION [2019-05-23 11:25:04,293 INFO L146 ILogger]: Difference is false [2019-05-23 11:25:04,293 INFO L146 ILogger]: Minimize is MINIMIZE_SEVPA [2019-05-23 11:25:04,293 INFO L146 ILogger]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-05-23 11:25:04,311 INFO L146 ILogger]: Start isEmpty. Operand 114 states. [2019-05-23 11:25:04,319 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 37 [2019-05-23 11:25:04,320 INFO L146 ILogger]: Found error trace [2019-05-23 11:25:04,321 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] [2019-05-23 11:25:04,323 INFO L146 ILogger]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:25:04,327 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:25:04,328 INFO L146 ILogger]: Analyzing trace with hash -814722443, now seen corresponding path program 1 times [2019-05-23 11:25:04,330 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:25:04,330 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:25:04,371 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:25:04,372 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:25:04,372 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:25:04,433 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:25:04,621 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 11:25:04,623 INFO L146 ILogger]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-05-23 11:25:04,624 INFO L146 ILogger]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-05-23 11:25:04,627 INFO L146 ILogger]: Interpolant automaton has 5 states [2019-05-23 11:25:04,637 INFO L146 ILogger]: Constructing interpolant automaton starting with 5 interpolants. [2019-05-23 11:25:04,638 INFO L146 ILogger]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-05-23 11:25:04,640 INFO L146 ILogger]: Start difference. First operand 114 states. Second operand 5 states. [2019-05-23 11:25:04,857 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:25:04,858 INFO L146 ILogger]: Finished difference Result 230 states and 264 transitions. [2019-05-23 11:25:04,858 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-05-23 11:25:04,860 INFO L146 ILogger]: Start accepts. Automaton has 5 states. Word has length 36 [2019-05-23 11:25:04,860 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:25:04,871 INFO L146 ILogger]: With dead ends: 230 [2019-05-23 11:25:04,871 INFO L146 ILogger]: Without dead ends: 133 [2019-05-23 11:25:04,874 INFO L146 ILogger]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-05-23 11:25:04,894 INFO L146 ILogger]: Start minimizeSevpa. Operand 133 states. [2019-05-23 11:25:04,925 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 133 to 109. [2019-05-23 11:25:04,927 INFO L146 ILogger]: Start removeUnreachable. Operand 109 states. [2019-05-23 11:25:04,929 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 109 states to 109 states and 118 transitions. [2019-05-23 11:25:04,931 INFO L146 ILogger]: Start accepts. Automaton has 109 states and 118 transitions. Word has length 36 [2019-05-23 11:25:04,932 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:25:04,932 INFO L146 ILogger]: Abstraction has 109 states and 118 transitions. [2019-05-23 11:25:04,932 INFO L146 ILogger]: Interpolant automaton has 5 states. [2019-05-23 11:25:04,932 INFO L146 ILogger]: Start isEmpty. Operand 109 states and 118 transitions. [2019-05-23 11:25:04,934 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 39 [2019-05-23 11:25:04,934 INFO L146 ILogger]: Found error trace [2019-05-23 11:25:04,935 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] [2019-05-23 11:25:04,935 INFO L146 ILogger]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:25:04,935 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:25:04,936 INFO L146 ILogger]: Analyzing trace with hash -528962798, now seen corresponding path program 1 times [2019-05-23 11:25:04,936 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:25:04,936 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:25:04,937 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:25:04,938 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:25:04,938 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:25:04,983 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:25:05,293 WARN L146 ILogger]: Spent 144.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 9 [2019-05-23 11:25:05,491 WARN L146 ILogger]: Spent 136.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 8 [2019-05-23 11:25:05,802 WARN L146 ILogger]: Spent 122.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 11 [2019-05-23 11:25:05,822 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 11:25:05,822 INFO L146 ILogger]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-05-23 11:25:05,823 INFO L146 ILogger]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-05-23 11:25:05,824 INFO L146 ILogger]: Interpolant automaton has 5 states [2019-05-23 11:25:05,825 INFO L146 ILogger]: Constructing interpolant automaton starting with 5 interpolants. [2019-05-23 11:25:05,825 INFO L146 ILogger]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-05-23 11:25:05,825 INFO L146 ILogger]: Start difference. First operand 109 states and 118 transitions. Second operand 5 states. [2019-05-23 11:25:06,502 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:25:06,502 INFO L146 ILogger]: Finished difference Result 243 states and 267 transitions. [2019-05-23 11:25:06,503 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-05-23 11:25:06,503 INFO L146 ILogger]: Start accepts. Automaton has 5 states. Word has length 38 [2019-05-23 11:25:06,503 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:25:06,506 INFO L146 ILogger]: With dead ends: 243 [2019-05-23 11:25:06,507 INFO L146 ILogger]: Without dead ends: 169 [2019-05-23 11:25:06,508 INFO L146 ILogger]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-05-23 11:25:06,509 INFO L146 ILogger]: Start minimizeSevpa. Operand 169 states. [2019-05-23 11:25:06,518 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 169 to 113. [2019-05-23 11:25:06,519 INFO L146 ILogger]: Start removeUnreachable. Operand 113 states. [2019-05-23 11:25:06,520 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 113 states to 113 states and 122 transitions. [2019-05-23 11:25:06,520 INFO L146 ILogger]: Start accepts. Automaton has 113 states and 122 transitions. Word has length 38 [2019-05-23 11:25:06,520 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:25:06,521 INFO L146 ILogger]: Abstraction has 113 states and 122 transitions. [2019-05-23 11:25:06,521 INFO L146 ILogger]: Interpolant automaton has 5 states. [2019-05-23 11:25:06,521 INFO L146 ILogger]: Start isEmpty. Operand 113 states and 122 transitions. [2019-05-23 11:25:06,524 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 99 [2019-05-23 11:25:06,524 INFO L146 ILogger]: Found error trace [2019-05-23 11:25:06,525 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, 1, 1, 1, 1, 1, 1] [2019-05-23 11:25:06,525 INFO L146 ILogger]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:25:06,525 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:25:06,525 INFO L146 ILogger]: Analyzing trace with hash 1761890940, now seen corresponding path program 1 times [2019-05-23 11:25:06,526 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:25:06,526 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:25:06,527 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:25:06,527 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:25:06,527 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:25:06,578 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:25:06,703 INFO L146 ILogger]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-05-23 11:25:06,703 INFO L146 ILogger]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-05-23 11:25:06,704 INFO L146 ILogger]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-05-23 11:25:06,704 INFO L146 ILogger]: Interpolant automaton has 4 states [2019-05-23 11:25:06,705 INFO L146 ILogger]: Constructing interpolant automaton starting with 4 interpolants. [2019-05-23 11:25:06,705 INFO L146 ILogger]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-05-23 11:25:06,705 INFO L146 ILogger]: Start difference. First operand 113 states and 122 transitions. Second operand 4 states. [2019-05-23 11:25:06,752 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:25:06,752 INFO L146 ILogger]: Finished difference Result 151 states and 163 transitions. [2019-05-23 11:25:06,752 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-05-23 11:25:06,753 INFO L146 ILogger]: Start accepts. Automaton has 4 states. Word has length 98 [2019-05-23 11:25:06,753 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:25:06,756 INFO L146 ILogger]: With dead ends: 151 [2019-05-23 11:25:06,757 INFO L146 ILogger]: Without dead ends: 112 [2019-05-23 11:25:06,757 INFO L146 ILogger]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 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 11:25:06,758 INFO L146 ILogger]: Start minimizeSevpa. Operand 112 states. [2019-05-23 11:25:06,768 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-05-23 11:25:06,768 INFO L146 ILogger]: Start removeUnreachable. Operand 112 states. [2019-05-23 11:25:06,772 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 112 states to 112 states and 120 transitions. [2019-05-23 11:25:06,772 INFO L146 ILogger]: Start accepts. Automaton has 112 states and 120 transitions. Word has length 98 [2019-05-23 11:25:06,773 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:25:06,773 INFO L146 ILogger]: Abstraction has 112 states and 120 transitions. [2019-05-23 11:25:06,773 INFO L146 ILogger]: Interpolant automaton has 4 states. [2019-05-23 11:25:06,773 INFO L146 ILogger]: Start isEmpty. Operand 112 states and 120 transitions. [2019-05-23 11:25:06,781 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 99 [2019-05-23 11:25:06,781 INFO L146 ILogger]: Found error trace [2019-05-23 11:25:06,782 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, 1, 1, 1, 1, 1, 1] [2019-05-23 11:25:06,782 INFO L146 ILogger]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:25:06,782 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:25:06,783 INFO L146 ILogger]: Analyzing trace with hash 444825116, now seen corresponding path program 1 times [2019-05-23 11:25:06,785 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:25:06,785 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:25:06,786 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:25:06,786 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:25:06,786 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:25:06,893 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:25:07,515 WARN L146 ILogger]: Spent 140.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 19 [2019-05-23 11:25:08,185 INFO L146 ILogger]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-05-23 11:25:08,185 INFO L146 ILogger]: The current sequences of interpolants are not accepted, trying to find more. [2019-05-23 11:25:08,185 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 -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-05-23 11:25:08,195 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:25:08,240 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:25:08,243 INFO L146 ILogger]: Trace formula consists of 149 conjuncts, 36 conjunts are in the unsatisfiable core [2019-05-23 11:25:08,252 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 11:25:08,403 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 12 [2019-05-23 11:25:08,404 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:08,421 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:08,422 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:08,422 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:29, output treesize:22 [2019-05-23 11:25:08,508 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:08,509 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2019-05-23 11:25:08,510 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:08,523 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:08,523 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:08,524 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:22 [2019-05-23 11:25:08,535 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:08,536 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2019-05-23 11:25:08,537 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:08,549 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:08,550 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:08,550 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:22 [2019-05-23 11:25:08,580 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:08,581 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 21 treesize of output 20 [2019-05-23 11:25:08,582 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:08,594 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:08,595 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:08,595 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:14 [2019-05-23 11:25:08,675 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:08,676 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2019-05-23 11:25:08,677 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:08,686 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:08,687 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:08,687 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:22 [2019-05-23 11:25:08,735 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2019-05-23 11:25:08,737 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:08,748 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:08,749 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:08,749 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:50, output treesize:22 [2019-05-23 11:25:08,800 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:08,802 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2019-05-23 11:25:08,803 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:08,814 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:08,814 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:08,815 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:22 [2019-05-23 11:25:08,825 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:08,827 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 21 treesize of output 20 [2019-05-23 11:25:08,827 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:08,840 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:08,840 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:08,841 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:14 [2019-05-23 11:25:08,893 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:08,894 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2019-05-23 11:25:08,895 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:08,907 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:08,908 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:08,909 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:22 [2019-05-23 11:25:08,946 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2019-05-23 11:25:08,947 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:08,969 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:08,970 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:08,970 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:50, output treesize:22 [2019-05-23 11:25:08,987 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:08,987 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2019-05-23 11:25:08,988 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:08,998 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:08,999 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:08,999 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:22 [2019-05-23 11:25:09,013 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:09,014 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 21 treesize of output 20 [2019-05-23 11:25:09,014 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:09,048 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:09,049 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:09,049 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:14 [2019-05-23 11:25:09,072 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:09,073 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2019-05-23 11:25:09,074 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:09,089 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:09,089 INFO L146 ILogger]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:09,090 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:34 [2019-05-23 11:25:09,192 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:09,194 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:09,194 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 1 case distinctions, treesize of input 53 treesize of output 34 [2019-05-23 11:25:09,195 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:09,210 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:09,211 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:09,212 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:62, output treesize:34 [2019-05-23 11:25:09,221 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:09,223 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:09,235 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:09,236 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:09,237 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 43 [2019-05-23 11:25:09,238 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:09,248 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:09,249 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:09,249 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:50, output treesize:34 [2019-05-23 11:25:09,259 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:09,260 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:09,261 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:09,265 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:09,265 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2019-05-23 11:25:09,266 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:09,281 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:09,282 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:09,282 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:36, output treesize:23 [2019-05-23 11:25:09,366 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:09,367 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 22 treesize of output 10 [2019-05-23 11:25:09,367 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:09,372 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:09,373 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:09,373 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:7 [2019-05-23 11:25:09,452 INFO L146 ILogger]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 11:25:09,471 INFO L146 ILogger]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-05-23 11:25:09,471 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16] total 26 [2019-05-23 11:25:09,472 INFO L146 ILogger]: Interpolant automaton has 26 states [2019-05-23 11:25:09,472 INFO L146 ILogger]: Constructing interpolant automaton starting with 26 interpolants. [2019-05-23 11:25:09,473 INFO L146 ILogger]: CoverageRelationStatistics Valid=117, Invalid=533, Unknown=0, NotChecked=0, Total=650 [2019-05-23 11:25:09,473 INFO L146 ILogger]: Start difference. First operand 112 states and 120 transitions. Second operand 26 states. [2019-05-23 11:25:11,830 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:25:11,830 INFO L146 ILogger]: Finished difference Result 359 states and 387 transitions. [2019-05-23 11:25:11,831 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2019-05-23 11:25:11,831 INFO L146 ILogger]: Start accepts. Automaton has 26 states. Word has length 98 [2019-05-23 11:25:11,832 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:25:11,836 INFO L146 ILogger]: With dead ends: 359 [2019-05-23 11:25:11,836 INFO L146 ILogger]: Without dead ends: 267 [2019-05-23 11:25:11,839 INFO L146 ILogger]: 0 DeclaredPredicates, 164 GetRequests, 99 SyntacticMatches, 16 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 628 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=510, Invalid=2040, Unknown=0, NotChecked=0, Total=2550 [2019-05-23 11:25:11,840 INFO L146 ILogger]: Start minimizeSevpa. Operand 267 states. [2019-05-23 11:25:11,849 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 267 to 115. [2019-05-23 11:25:11,849 INFO L146 ILogger]: Start removeUnreachable. Operand 115 states. [2019-05-23 11:25:11,850 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 115 states to 115 states and 122 transitions. [2019-05-23 11:25:11,850 INFO L146 ILogger]: Start accepts. Automaton has 115 states and 122 transitions. Word has length 98 [2019-05-23 11:25:11,851 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:25:11,851 INFO L146 ILogger]: Abstraction has 115 states and 122 transitions. [2019-05-23 11:25:11,851 INFO L146 ILogger]: Interpolant automaton has 26 states. [2019-05-23 11:25:11,851 INFO L146 ILogger]: Start isEmpty. Operand 115 states and 122 transitions. [2019-05-23 11:25:11,853 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 113 [2019-05-23 11:25:11,853 INFO L146 ILogger]: Found error trace [2019-05-23 11:25:11,853 INFO L146 ILogger]: trace histogram [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, 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 11:25:11,854 INFO L146 ILogger]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:25:11,854 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:25:11,854 INFO L146 ILogger]: Analyzing trace with hash 1698854955, now seen corresponding path program 1 times [2019-05-23 11:25:11,854 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:25:11,854 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:25:11,855 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:25:11,856 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:25:11,856 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:25:11,883 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:25:12,622 INFO L146 ILogger]: Checked inductivity of 12 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-05-23 11:25:12,622 INFO L146 ILogger]: The current sequences of interpolants are not accepted, trying to find more. [2019-05-23 11:25:12,622 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 -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-05-23 11:25:12,632 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:25:12,666 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:25:12,667 INFO L146 ILogger]: Trace formula consists of 168 conjuncts, 35 conjunts are in the unsatisfiable core [2019-05-23 11:25:12,674 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 11:25:12,796 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 12 [2019-05-23 11:25:12,797 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:12,808 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:12,808 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:12,808 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:29, output treesize:22 [2019-05-23 11:25:12,892 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:12,893 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2019-05-23 11:25:12,893 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:12,904 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:12,904 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:12,905 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:22 [2019-05-23 11:25:12,911 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:12,912 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2019-05-23 11:25:12,913 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:12,942 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:12,943 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:12,943 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:22 [2019-05-23 11:25:12,949 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:12,950 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 22 [2019-05-23 11:25:12,951 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:12,958 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:12,959 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:12,959 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:29, output treesize:16 [2019-05-23 11:25:13,094 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:13,095 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2019-05-23 11:25:13,096 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:13,105 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:13,106 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:13,106 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:22 [2019-05-23 11:25:13,111 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:13,112 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2019-05-23 11:25:13,112 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:13,123 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:13,124 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:13,124 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:22 [2019-05-23 11:25:13,172 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2019-05-23 11:25:13,172 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:13,210 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:13,211 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:13,211 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:50, output treesize:22 [2019-05-23 11:25:13,220 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:13,220 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 22 [2019-05-23 11:25:13,221 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:13,228 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:13,229 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:13,229 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:29, output treesize:16 [2019-05-23 11:25:13,270 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:13,271 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2019-05-23 11:25:13,271 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:13,284 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:13,284 INFO L146 ILogger]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:13,284 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:34 [2019-05-23 11:25:13,317 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:13,331 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:13,332 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:13,335 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:13,335 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 43 [2019-05-23 11:25:13,336 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:13,346 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:13,347 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:13,347 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:50, output treesize:34 [2019-05-23 11:25:13,385 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:13,386 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:13,386 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 1 case distinctions, treesize of input 53 treesize of output 34 [2019-05-23 11:25:13,387 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:13,398 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:13,399 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:13,399 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:62, output treesize:34 [2019-05-23 11:25:13,440 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:13,441 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:13,442 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:13,442 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:13,443 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2019-05-23 11:25:13,443 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:13,456 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:13,457 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:13,457 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:25 [2019-05-23 11:25:13,573 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:13,573 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 1 case distinctions, treesize of input 22 treesize of output 10 [2019-05-23 11:25:13,574 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:13,580 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:13,581 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:13,581 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:7 [2019-05-23 11:25:13,653 INFO L146 ILogger]: Checked inductivity of 12 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-05-23 11:25:13,673 INFO L146 ILogger]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-05-23 11:25:13,673 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16] total 26 [2019-05-23 11:25:13,674 INFO L146 ILogger]: Interpolant automaton has 26 states [2019-05-23 11:25:13,674 INFO L146 ILogger]: Constructing interpolant automaton starting with 26 interpolants. [2019-05-23 11:25:13,675 INFO L146 ILogger]: CoverageRelationStatistics Valid=118, Invalid=532, Unknown=0, NotChecked=0, Total=650 [2019-05-23 11:25:13,676 INFO L146 ILogger]: Start difference. First operand 115 states and 122 transitions. Second operand 26 states. [2019-05-23 11:25:15,728 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:25:15,729 INFO L146 ILogger]: Finished difference Result 397 states and 420 transitions. [2019-05-23 11:25:15,729 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2019-05-23 11:25:15,729 INFO L146 ILogger]: Start accepts. Automaton has 26 states. Word has length 112 [2019-05-23 11:25:15,730 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:25:15,732 INFO L146 ILogger]: With dead ends: 397 [2019-05-23 11:25:15,732 INFO L146 ILogger]: Without dead ends: 319 [2019-05-23 11:25:15,734 INFO L146 ILogger]: 0 DeclaredPredicates, 173 GetRequests, 111 SyntacticMatches, 13 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 652 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=519, Invalid=2031, Unknown=0, NotChecked=0, Total=2550 [2019-05-23 11:25:15,734 INFO L146 ILogger]: Start minimizeSevpa. Operand 319 states. [2019-05-23 11:25:15,745 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 319 to 162. [2019-05-23 11:25:15,745 INFO L146 ILogger]: Start removeUnreachable. Operand 162 states. [2019-05-23 11:25:15,746 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 162 states to 162 states and 171 transitions. [2019-05-23 11:25:15,746 INFO L146 ILogger]: Start accepts. Automaton has 162 states and 171 transitions. Word has length 112 [2019-05-23 11:25:15,746 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:25:15,746 INFO L146 ILogger]: Abstraction has 162 states and 171 transitions. [2019-05-23 11:25:15,747 INFO L146 ILogger]: Interpolant automaton has 26 states. [2019-05-23 11:25:15,747 INFO L146 ILogger]: Start isEmpty. Operand 162 states and 171 transitions. [2019-05-23 11:25:15,748 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 127 [2019-05-23 11:25:15,749 INFO L146 ILogger]: Found error trace [2019-05-23 11:25:15,749 INFO L146 ILogger]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-05-23 11:25:15,749 INFO L146 ILogger]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:25:15,749 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:25:15,749 INFO L146 ILogger]: Analyzing trace with hash -1793119238, now seen corresponding path program 2 times [2019-05-23 11:25:15,750 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:25:15,750 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:25:15,750 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:25:15,751 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:25:15,751 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:25:15,773 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:25:16,462 WARN L146 ILogger]: Spent 135.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 16 [2019-05-23 11:25:16,629 INFO L146 ILogger]: Checked inductivity of 34 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-05-23 11:25:16,629 INFO L146 ILogger]: The current sequences of interpolants are not accepted, trying to find more. [2019-05-23 11:25:16,629 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 -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-05-23 11:25:16,637 INFO L146 ILogger]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-05-23 11:25:16,674 INFO L146 ILogger]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-05-23 11:25:16,674 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:25:16,675 INFO L146 ILogger]: Trace formula consists of 187 conjuncts, 34 conjunts are in the unsatisfiable core [2019-05-23 11:25:16,680 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 11:25:16,765 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 12 [2019-05-23 11:25:16,765 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:16,776 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:16,776 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:16,777 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:29, output treesize:22 [2019-05-23 11:25:16,802 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:16,803 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2019-05-23 11:25:16,804 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:16,812 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:16,813 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:16,813 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:22 [2019-05-23 11:25:16,821 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:16,821 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2019-05-23 11:25:16,822 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:16,830 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:16,831 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:16,831 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:22 [2019-05-23 11:25:16,837 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:16,838 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 22 [2019-05-23 11:25:16,838 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:16,850 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:16,850 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:16,851 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:29, output treesize:16 [2019-05-23 11:25:16,893 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:16,894 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2019-05-23 11:25:16,895 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:16,905 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:16,906 INFO L146 ILogger]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:16,906 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:34 [2019-05-23 11:25:16,936 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:16,938 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:16,939 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:16,940 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:16,940 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 43 [2019-05-23 11:25:16,941 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:16,954 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:16,955 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:16,955 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:50, output treesize:34 [2019-05-23 11:25:16,960 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:16,962 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:16,962 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:16,963 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:16,963 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 43 [2019-05-23 11:25:16,964 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:16,977 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:16,977 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:16,978 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:50, output treesize:34 [2019-05-23 11:25:17,033 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:17,034 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:17,034 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 1 case distinctions, treesize of input 41 treesize of output 28 [2019-05-23 11:25:17,034 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:17,059 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:17,060 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:17,060 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:47, output treesize:25 [2019-05-23 11:25:17,432 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:17,432 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 22 treesize of output 10 [2019-05-23 11:25:17,433 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:17,438 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:17,438 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:17,439 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:7 [2019-05-23 11:25:17,570 INFO L146 ILogger]: Checked inductivity of 34 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-05-23 11:25:17,588 INFO L146 ILogger]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-05-23 11:25:17,589 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 28 [2019-05-23 11:25:17,589 INFO L146 ILogger]: Interpolant automaton has 28 states [2019-05-23 11:25:17,589 INFO L146 ILogger]: Constructing interpolant automaton starting with 28 interpolants. [2019-05-23 11:25:17,590 INFO L146 ILogger]: CoverageRelationStatistics Valid=124, Invalid=632, Unknown=0, NotChecked=0, Total=756 [2019-05-23 11:25:17,590 INFO L146 ILogger]: Start difference. First operand 162 states and 171 transitions. Second operand 28 states. [2019-05-23 11:25:19,523 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:25:19,523 INFO L146 ILogger]: Finished difference Result 436 states and 456 transitions. [2019-05-23 11:25:19,523 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-05-23 11:25:19,524 INFO L146 ILogger]: Start accepts. Automaton has 28 states. Word has length 126 [2019-05-23 11:25:19,524 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:25:19,526 INFO L146 ILogger]: With dead ends: 436 [2019-05-23 11:25:19,526 INFO L146 ILogger]: Without dead ends: 330 [2019-05-23 11:25:19,528 INFO L146 ILogger]: 0 DeclaredPredicates, 173 GetRequests, 121 SyntacticMatches, 9 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=390, Invalid=1590, Unknown=0, NotChecked=0, Total=1980 [2019-05-23 11:25:19,528 INFO L146 ILogger]: Start minimizeSevpa. Operand 330 states. [2019-05-23 11:25:19,539 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 330 to 230. [2019-05-23 11:25:19,539 INFO L146 ILogger]: Start removeUnreachable. Operand 230 states. [2019-05-23 11:25:19,540 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 230 states to 230 states and 241 transitions. [2019-05-23 11:25:19,540 INFO L146 ILogger]: Start accepts. Automaton has 230 states and 241 transitions. Word has length 126 [2019-05-23 11:25:19,540 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:25:19,541 INFO L146 ILogger]: Abstraction has 230 states and 241 transitions. [2019-05-23 11:25:19,541 INFO L146 ILogger]: Interpolant automaton has 28 states. [2019-05-23 11:25:19,541 INFO L146 ILogger]: Start isEmpty. Operand 230 states and 241 transitions. [2019-05-23 11:25:19,543 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 128 [2019-05-23 11:25:19,543 INFO L146 ILogger]: Found error trace [2019-05-23 11:25:19,543 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, 1, 1, 1, 1, 1, 1, 1] [2019-05-23 11:25:19,544 INFO L146 ILogger]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:25:19,544 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:25:19,544 INFO L146 ILogger]: Analyzing trace with hash 2025482209, now seen corresponding path program 3 times [2019-05-23 11:25:19,544 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:25:19,544 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:25:19,545 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:25:19,545 INFO L146 ILogger]: Changing assertion order to NOT_INCREMENTALLY [2019-05-23 11:25:19,545 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:25:19,560 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:25:19,845 INFO L146 ILogger]: Checked inductivity of 28 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-05-23 11:25:19,845 INFO L146 ILogger]: The current sequences of interpolants are not accepted, trying to find more. [2019-05-23 11:25:19,845 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 -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-05-23 11:25:19,855 INFO L146 ILogger]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-05-23 11:25:19,926 INFO L146 ILogger]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-05-23 11:25:19,926 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:25:19,927 INFO L146 ILogger]: Trace formula consists of 188 conjuncts, 8 conjunts are in the unsatisfiable core [2019-05-23 11:25:19,932 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 11:25:20,133 INFO L146 ILogger]: Checked inductivity of 28 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-05-23 11:25:20,151 INFO L146 ILogger]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-05-23 11:25:20,151 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2019-05-23 11:25:20,152 INFO L146 ILogger]: Interpolant automaton has 14 states [2019-05-23 11:25:20,152 INFO L146 ILogger]: Constructing interpolant automaton starting with 14 interpolants. [2019-05-23 11:25:20,152 INFO L146 ILogger]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2019-05-23 11:25:20,152 INFO L146 ILogger]: Start difference. First operand 230 states and 241 transitions. Second operand 14 states. [2019-05-23 11:25:20,745 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:25:20,745 INFO L146 ILogger]: Finished difference Result 554 states and 577 transitions. [2019-05-23 11:25:20,746 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-05-23 11:25:20,746 INFO L146 ILogger]: Start accepts. Automaton has 14 states. Word has length 127 [2019-05-23 11:25:20,746 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:25:20,749 INFO L146 ILogger]: With dead ends: 554 [2019-05-23 11:25:20,749 INFO L146 ILogger]: Without dead ends: 445 [2019-05-23 11:25:20,750 INFO L146 ILogger]: 0 DeclaredPredicates, 143 GetRequests, 122 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2019-05-23 11:25:20,751 INFO L146 ILogger]: Start minimizeSevpa. Operand 445 states. [2019-05-23 11:25:20,761 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 445 to 279. [2019-05-23 11:25:20,761 INFO L146 ILogger]: Start removeUnreachable. Operand 279 states. [2019-05-23 11:25:20,762 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 279 states to 279 states and 292 transitions. [2019-05-23 11:25:20,763 INFO L146 ILogger]: Start accepts. Automaton has 279 states and 292 transitions. Word has length 127 [2019-05-23 11:25:20,763 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:25:20,763 INFO L146 ILogger]: Abstraction has 279 states and 292 transitions. [2019-05-23 11:25:20,763 INFO L146 ILogger]: Interpolant automaton has 14 states. [2019-05-23 11:25:20,763 INFO L146 ILogger]: Start isEmpty. Operand 279 states and 292 transitions. [2019-05-23 11:25:20,765 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 141 [2019-05-23 11:25:20,765 INFO L146 ILogger]: Found error trace [2019-05-23 11:25:20,766 INFO L146 ILogger]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:25:20,766 INFO L146 ILogger]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:25:20,766 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:25:20,766 INFO L146 ILogger]: Analyzing trace with hash -407795319, now seen corresponding path program 4 times [2019-05-23 11:25:20,766 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:25:20,767 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:25:20,767 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:25:20,767 INFO L146 ILogger]: Changing assertion order to NOT_INCREMENTALLY [2019-05-23 11:25:20,768 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:25:20,800 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:25:21,537 INFO L146 ILogger]: Checked inductivity of 70 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-05-23 11:25:21,537 INFO L146 ILogger]: The current sequences of interpolants are not accepted, trying to find more. [2019-05-23 11:25:21,537 INFO L146 ILogger]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-05-23 11:25:21,546 INFO L146 ILogger]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-05-23 11:25:21,581 INFO L146 ILogger]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-05-23 11:25:21,582 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:25:21,583 INFO L146 ILogger]: Trace formula consists of 206 conjuncts, 36 conjunts are in the unsatisfiable core [2019-05-23 11:25:21,587 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 11:25:21,686 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 12 [2019-05-23 11:25:21,687 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:21,693 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:21,693 INFO L146 ILogger]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:21,693 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2019-05-23 11:25:21,780 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:21,781 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2019-05-23 11:25:21,781 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:21,788 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:21,789 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:21,789 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:19 [2019-05-23 11:25:21,807 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:21,807 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2019-05-23 11:25:21,808 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:21,815 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:21,816 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:21,816 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:19 [2019-05-23 11:25:21,820 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:21,821 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 22 [2019-05-23 11:25:21,821 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:21,827 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:21,828 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:21,828 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:13 [2019-05-23 11:25:22,002 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-05-23 11:25:22,003 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:22,004 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:22,004 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:22,004 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2019-05-23 11:25:22,076 INFO L146 ILogger]: Checked inductivity of 70 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-05-23 11:25:22,094 INFO L146 ILogger]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-05-23 11:25:22,095 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 28 [2019-05-23 11:25:22,095 INFO L146 ILogger]: Interpolant automaton has 28 states [2019-05-23 11:25:22,096 INFO L146 ILogger]: Constructing interpolant automaton starting with 28 interpolants. [2019-05-23 11:25:22,096 INFO L146 ILogger]: CoverageRelationStatistics Valid=95, Invalid=661, Unknown=0, NotChecked=0, Total=756 [2019-05-23 11:25:22,096 INFO L146 ILogger]: Start difference. First operand 279 states and 292 transitions. Second operand 28 states. [2019-05-23 11:25:24,527 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:25:24,528 INFO L146 ILogger]: Finished difference Result 462 states and 481 transitions. [2019-05-23 11:25:24,528 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2019-05-23 11:25:24,528 INFO L146 ILogger]: Start accepts. Automaton has 28 states. Word has length 140 [2019-05-23 11:25:24,529 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:25:24,532 INFO L146 ILogger]: With dead ends: 462 [2019-05-23 11:25:24,532 INFO L146 ILogger]: Without dead ends: 460 [2019-05-23 11:25:24,534 INFO L146 ILogger]: 0 DeclaredPredicates, 208 GetRequests, 132 SyntacticMatches, 5 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1529 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=781, Invalid=4475, Unknown=0, NotChecked=0, Total=5256 [2019-05-23 11:25:24,535 INFO L146 ILogger]: Start minimizeSevpa. Operand 460 states. [2019-05-23 11:25:24,545 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 460 to 357. [2019-05-23 11:25:24,545 INFO L146 ILogger]: Start removeUnreachable. Operand 357 states. [2019-05-23 11:25:24,546 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 357 states to 357 states and 375 transitions. [2019-05-23 11:25:24,546 INFO L146 ILogger]: Start accepts. Automaton has 357 states and 375 transitions. Word has length 140 [2019-05-23 11:25:24,547 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:25:24,547 INFO L146 ILogger]: Abstraction has 357 states and 375 transitions. [2019-05-23 11:25:24,547 INFO L146 ILogger]: Interpolant automaton has 28 states. [2019-05-23 11:25:24,547 INFO L146 ILogger]: Start isEmpty. Operand 357 states and 375 transitions. [2019-05-23 11:25:24,549 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 142 [2019-05-23 11:25:24,549 INFO L146 ILogger]: Found error trace [2019-05-23 11:25:24,549 INFO L146 ILogger]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 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] [2019-05-23 11:25:24,549 INFO L146 ILogger]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:25:24,550 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:25:24,550 INFO L146 ILogger]: Analyzing trace with hash -1996779333, now seen corresponding path program 5 times [2019-05-23 11:25:24,550 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:25:24,550 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:25:24,551 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:25:24,551 INFO L146 ILogger]: Changing assertion order to NOT_INCREMENTALLY [2019-05-23 11:25:24,551 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:25:24,565 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:25:24,965 INFO L146 ILogger]: Checked inductivity of 50 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-05-23 11:25:24,965 INFO L146 ILogger]: The current sequences of interpolants are not accepted, trying to find more. [2019-05-23 11:25:24,965 INFO L146 ILogger]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-05-23 11:25:24,975 INFO L146 ILogger]: Keeping assertion order INSIDE_LOOP_FIRST1 [2019-05-23 11:25:25,323 INFO L146 ILogger]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2019-05-23 11:25:25,324 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:25:25,325 INFO L146 ILogger]: Trace formula consists of 207 conjuncts, 8 conjunts are in the unsatisfiable core [2019-05-23 11:25:25,328 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 11:25:25,456 INFO L146 ILogger]: Checked inductivity of 50 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-05-23 11:25:25,476 INFO L146 ILogger]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-05-23 11:25:25,476 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9] total 19 [2019-05-23 11:25:25,477 INFO L146 ILogger]: Interpolant automaton has 19 states [2019-05-23 11:25:25,477 INFO L146 ILogger]: Constructing interpolant automaton starting with 19 interpolants. [2019-05-23 11:25:25,478 INFO L146 ILogger]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2019-05-23 11:25:25,478 INFO L146 ILogger]: Start difference. First operand 357 states and 375 transitions. Second operand 19 states. [2019-05-23 11:25:26,468 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:25:26,468 INFO L146 ILogger]: Finished difference Result 519 states and 543 transitions. [2019-05-23 11:25:26,470 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-05-23 11:25:26,470 INFO L146 ILogger]: Start accepts. Automaton has 19 states. Word has length 141 [2019-05-23 11:25:26,470 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:25:26,474 INFO L146 ILogger]: With dead ends: 519 [2019-05-23 11:25:26,474 INFO L146 ILogger]: Without dead ends: 427 [2019-05-23 11:25:26,477 INFO L146 ILogger]: 0 DeclaredPredicates, 180 GetRequests, 142 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=332, Invalid=1150, Unknown=0, NotChecked=0, Total=1482 [2019-05-23 11:25:26,479 INFO L146 ILogger]: Start minimizeSevpa. Operand 427 states. [2019-05-23 11:25:26,494 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 427 to 323. [2019-05-23 11:25:26,495 INFO L146 ILogger]: Start removeUnreachable. Operand 323 states. [2019-05-23 11:25:26,496 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 323 states to 323 states and 339 transitions. [2019-05-23 11:25:26,496 INFO L146 ILogger]: Start accepts. Automaton has 323 states and 339 transitions. Word has length 141 [2019-05-23 11:25:26,497 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:25:26,497 INFO L146 ILogger]: Abstraction has 323 states and 339 transitions. [2019-05-23 11:25:26,497 INFO L146 ILogger]: Interpolant automaton has 19 states. [2019-05-23 11:25:26,497 INFO L146 ILogger]: Start isEmpty. Operand 323 states and 339 transitions. [2019-05-23 11:25:26,499 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 143 [2019-05-23 11:25:26,499 INFO L146 ILogger]: Found error trace [2019-05-23 11:25:26,499 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, 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] [2019-05-23 11:25:26,500 INFO L146 ILogger]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:25:26,500 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:25:26,500 INFO L146 ILogger]: Analyzing trace with hash -162262517, now seen corresponding path program 6 times [2019-05-23 11:25:26,500 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:25:26,501 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:25:26,501 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:25:26,502 INFO L146 ILogger]: Changing assertion order to NOT_INCREMENTALLY [2019-05-23 11:25:26,503 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:25:26,525 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:25:27,075 WARN L146 ILogger]: Spent 178.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2019-05-23 11:25:27,287 INFO L146 ILogger]: Checked inductivity of 44 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-05-23 11:25:27,287 INFO L146 ILogger]: The current sequences of interpolants are not accepted, trying to find more. [2019-05-23 11:25:27,287 INFO L146 ILogger]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-05-23 11:25:27,298 INFO L146 ILogger]: Keeping assertion order MIX_INSIDE_OUTSIDE [2019-05-23 11:25:27,342 INFO L146 ILogger]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2019-05-23 11:25:27,342 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:25:27,343 INFO L146 ILogger]: Trace formula consists of 208 conjuncts, 8 conjunts are in the unsatisfiable core [2019-05-23 11:25:27,345 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 11:25:27,563 INFO L146 ILogger]: Checked inductivity of 44 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-05-23 11:25:27,582 INFO L146 ILogger]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-05-23 11:25:27,582 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 19 [2019-05-23 11:25:27,583 INFO L146 ILogger]: Interpolant automaton has 19 states [2019-05-23 11:25:27,583 INFO L146 ILogger]: Constructing interpolant automaton starting with 19 interpolants. [2019-05-23 11:25:27,583 INFO L146 ILogger]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-05-23 11:25:27,583 INFO L146 ILogger]: Start difference. First operand 323 states and 339 transitions. Second operand 19 states. [2019-05-23 11:25:30,416 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:25:30,416 INFO L146 ILogger]: Finished difference Result 642 states and 671 transitions. [2019-05-23 11:25:30,417 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2019-05-23 11:25:30,417 INFO L146 ILogger]: Start accepts. Automaton has 19 states. Word has length 142 [2019-05-23 11:25:30,417 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:25:30,419 INFO L146 ILogger]: With dead ends: 642 [2019-05-23 11:25:30,419 INFO L146 ILogger]: Without dead ends: 403 [2019-05-23 11:25:30,420 INFO L146 ILogger]: 0 DeclaredPredicates, 187 GetRequests, 139 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 559 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=404, Invalid=1852, Unknown=0, NotChecked=0, Total=2256 [2019-05-23 11:25:30,421 INFO L146 ILogger]: Start minimizeSevpa. Operand 403 states. [2019-05-23 11:25:30,430 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 403 to 313. [2019-05-23 11:25:30,430 INFO L146 ILogger]: Start removeUnreachable. Operand 313 states. [2019-05-23 11:25:30,431 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 313 states to 313 states and 325 transitions. [2019-05-23 11:25:30,431 INFO L146 ILogger]: Start accepts. Automaton has 313 states and 325 transitions. Word has length 142 [2019-05-23 11:25:30,432 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:25:30,432 INFO L146 ILogger]: Abstraction has 313 states and 325 transitions. [2019-05-23 11:25:30,432 INFO L146 ILogger]: Interpolant automaton has 19 states. [2019-05-23 11:25:30,432 INFO L146 ILogger]: Start isEmpty. Operand 313 states and 325 transitions. [2019-05-23 11:25:30,434 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 155 [2019-05-23 11:25:30,434 INFO L146 ILogger]: Found error trace [2019-05-23 11:25:30,434 INFO L146 ILogger]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:25:30,434 INFO L146 ILogger]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:25:30,434 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:25:30,435 INFO L146 ILogger]: Analyzing trace with hash 971866328, now seen corresponding path program 7 times [2019-05-23 11:25:30,435 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:25:30,435 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:25:30,436 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:25:30,436 INFO L146 ILogger]: Changing assertion order to NOT_INCREMENTALLY [2019-05-23 11:25:30,436 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:25:30,449 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:25:31,518 INFO L146 ILogger]: Checked inductivity of 120 backedges. 76 proven. 41 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-05-23 11:25:31,519 INFO L146 ILogger]: The current sequences of interpolants are not accepted, trying to find more. [2019-05-23 11:25:31,519 INFO L146 ILogger]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-05-23 11:25:31,528 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:25:31,564 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:25:31,564 INFO L146 ILogger]: Trace formula consists of 225 conjuncts, 16 conjunts are in the unsatisfiable core [2019-05-23 11:25:31,566 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 11:25:32,182 INFO L146 ILogger]: Checked inductivity of 120 backedges. 116 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-05-23 11:25:32,202 INFO L146 ILogger]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-05-23 11:25:32,202 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2019-05-23 11:25:32,202 INFO L146 ILogger]: Interpolant automaton has 32 states [2019-05-23 11:25:32,203 INFO L146 ILogger]: Constructing interpolant automaton starting with 32 interpolants. [2019-05-23 11:25:32,203 INFO L146 ILogger]: CoverageRelationStatistics Valid=197, Invalid=795, Unknown=0, NotChecked=0, Total=992 [2019-05-23 11:25:32,203 INFO L146 ILogger]: Start difference. First operand 313 states and 325 transitions. Second operand 32 states. [2019-05-23 11:25:33,665 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:25:33,665 INFO L146 ILogger]: Finished difference Result 401 states and 415 transitions. [2019-05-23 11:25:33,665 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-05-23 11:25:33,666 INFO L146 ILogger]: Start accepts. Automaton has 32 states. Word has length 154 [2019-05-23 11:25:33,666 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:25:33,667 INFO L146 ILogger]: With dead ends: 401 [2019-05-23 11:25:33,667 INFO L146 ILogger]: Without dead ends: 255 [2019-05-23 11:25:33,668 INFO L146 ILogger]: 0 DeclaredPredicates, 191 GetRequests, 140 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=515, Invalid=2035, Unknown=0, NotChecked=0, Total=2550 [2019-05-23 11:25:33,668 INFO L146 ILogger]: Start minimizeSevpa. Operand 255 states. [2019-05-23 11:25:33,675 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 255 to 229. [2019-05-23 11:25:33,675 INFO L146 ILogger]: Start removeUnreachable. Operand 229 states. [2019-05-23 11:25:33,676 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 229 states to 229 states and 239 transitions. [2019-05-23 11:25:33,676 INFO L146 ILogger]: Start accepts. Automaton has 229 states and 239 transitions. Word has length 154 [2019-05-23 11:25:33,676 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:25:33,676 INFO L146 ILogger]: Abstraction has 229 states and 239 transitions. [2019-05-23 11:25:33,676 INFO L146 ILogger]: Interpolant automaton has 32 states. [2019-05-23 11:25:33,677 INFO L146 ILogger]: Start isEmpty. Operand 229 states and 239 transitions. [2019-05-23 11:25:33,678 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 173 [2019-05-23 11:25:33,678 INFO L146 ILogger]: Found error trace [2019-05-23 11:25:33,679 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-05-23 11:25:33,679 INFO L146 ILogger]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:25:33,679 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:25:33,679 INFO L146 ILogger]: Analyzing trace with hash 2031410145, now seen corresponding path program 8 times [2019-05-23 11:25:33,680 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:25:33,680 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:25:33,680 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:25:33,681 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:25:33,681 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:25:33,710 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:25:34,767 INFO L146 ILogger]: Checked inductivity of 76 backedges. 4 proven. 51 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-05-23 11:25:34,767 INFO L146 ILogger]: The current sequences of interpolants are not accepted, trying to find more. [2019-05-23 11:25:34,767 INFO L146 ILogger]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-05-23 11:25:34,777 INFO L146 ILogger]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-05-23 11:25:34,827 INFO L146 ILogger]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-05-23 11:25:34,827 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:25:34,829 INFO L146 ILogger]: Trace formula consists of 248 conjuncts, 63 conjunts are in the unsatisfiable core [2019-05-23 11:25:34,833 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 11:25:34,944 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 12 [2019-05-23 11:25:34,945 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:34,951 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:34,952 INFO L146 ILogger]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:34,952 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2019-05-23 11:25:34,993 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:34,993 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2019-05-23 11:25:34,994 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,006 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:35,006 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,007 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:25 [2019-05-23 11:25:35,016 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,017 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2019-05-23 11:25:35,018 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,029 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:35,030 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,030 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:25 [2019-05-23 11:25:35,041 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,041 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2019-05-23 11:25:35,042 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,054 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:35,054 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,054 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:25 [2019-05-23 11:25:35,125 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,125 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 32 treesize of output 25 [2019-05-23 11:25:35,126 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,135 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:35,136 INFO L146 ILogger]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,136 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:37 [2019-05-23 11:25:35,173 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,175 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,176 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,177 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:35,178 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 40 [2019-05-23 11:25:35,178 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,190 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:35,190 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,191 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:53, output treesize:37 [2019-05-23 11:25:35,198 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,199 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,200 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,200 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:35,200 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 40 [2019-05-23 11:25:35,201 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,213 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:35,214 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,214 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:53, output treesize:37 [2019-05-23 11:25:35,222 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,222 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,224 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,225 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:35,225 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 34 [2019-05-23 11:25:35,226 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,236 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:35,236 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,237 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:44, output treesize:31 [2019-05-23 11:25:35,307 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,308 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,309 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,310 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:35,310 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 37 [2019-05-23 11:25:35,311 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,324 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:35,324 INFO L146 ILogger]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,324 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:46 [2019-05-23 11:25:35,364 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,365 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,366 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,367 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,369 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,370 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,371 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:35,371 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 52 [2019-05-23 11:25:35,372 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,387 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:35,387 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,388 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:62, output treesize:46 [2019-05-23 11:25:35,444 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,445 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,446 INFO L146 ILogger]: detected equality via solver [2019-05-23 11:25:35,448 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,450 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:35,450 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 65 treesize of output 58 [2019-05-23 11:25:35,451 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,481 INFO L146 ILogger]: treesize reduction 9, result has 85.2 percent of original size [2019-05-23 11:25:35,482 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,482 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:74, output treesize:49 [2019-05-23 11:25:35,533 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,534 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,535 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,537 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,538 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,539 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,541 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:35,541 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 55 [2019-05-23 11:25:35,542 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,558 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:35,558 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,559 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:65, output treesize:49 [2019-05-23 11:25:35,658 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,659 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,660 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,661 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,662 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,663 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,664 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:35,664 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 46 [2019-05-23 11:25:35,664 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,677 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:35,677 INFO L146 ILogger]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,677 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:56, output treesize:52 [2019-05-23 11:25:35,732 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,733 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,734 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,735 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,739 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,740 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,741 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,741 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,742 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,743 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,744 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:35,745 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 6 case distinctions, treesize of input 59 treesize of output 61 [2019-05-23 11:25:35,745 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,760 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:35,760 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,761 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:68, output treesize:52 [2019-05-23 11:25:35,771 INFO L146 ILogger]: detected equality via solver [2019-05-23 11:25:35,772 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,773 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,774 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,775 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,776 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,777 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,779 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:35,780 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 59 treesize of output 61 [2019-05-23 11:25:35,780 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,808 INFO L146 ILogger]: treesize reduction 12, result has 79.3 percent of original size [2019-05-23 11:25:35,808 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,808 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:68, output treesize:37 [2019-05-23 11:25:35,856 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,857 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,858 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,859 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,860 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,861 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,862 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:35,863 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2019-05-23 11:25:35,863 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,874 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:35,875 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:35,875 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:44, output treesize:31 [2019-05-23 11:25:35,988 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,989 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,991 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,993 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,994 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,995 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:35,996 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:35,997 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 46 [2019-05-23 11:25:35,997 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:36,009 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:36,010 INFO L146 ILogger]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:36,010 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:46 [2019-05-23 11:25:36,258 WARN L146 ILogger]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-05-23 11:25:36,266 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,267 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,277 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,279 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,280 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,281 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,282 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,283 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,284 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,285 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,286 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:36,287 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 6 case distinctions, treesize of input 53 treesize of output 61 [2019-05-23 11:25:36,287 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:36,303 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:36,304 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:36,304 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:62, output treesize:46 [2019-05-23 11:25:36,376 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,377 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,383 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,384 INFO L146 ILogger]: detected equality via solver [2019-05-23 11:25:36,385 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,386 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,386 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,388 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:36,389 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 65 treesize of output 67 [2019-05-23 11:25:36,390 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:36,418 INFO L146 ILogger]: treesize reduction 12, result has 80.3 percent of original size [2019-05-23 11:25:36,419 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:36,419 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:74, output treesize:46 [2019-05-23 11:25:36,425 INFO L146 ILogger]: detected equality via solver [2019-05-23 11:25:36,426 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,427 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,427 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,428 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,429 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,429 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,430 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:36,431 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 61 [2019-05-23 11:25:36,432 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:36,454 INFO L146 ILogger]: treesize reduction 12, result has 76.9 percent of original size [2019-05-23 11:25:36,455 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:36,455 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:62, output treesize:31 [2019-05-23 11:25:36,586 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,586 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,587 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,588 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:36,588 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37 [2019-05-23 11:25:36,589 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:36,602 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:36,602 INFO L146 ILogger]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:36,602 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:40 [2019-05-23 11:25:36,725 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,748 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,770 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,792 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,820 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,843 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:36,852 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:36,853 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 52 [2019-05-23 11:25:36,854 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:37,053 WARN L146 ILogger]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-05-23 11:25:37,053 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:37,054 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:37,054 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:56, output treesize:40 [2019-05-23 11:25:37,117 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:37,144 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:37,173 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:37,195 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:37,221 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:37,246 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:37,260 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:37,260 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 52 [2019-05-23 11:25:37,261 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:37,439 WARN L146 ILogger]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-05-23 11:25:37,439 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:37,440 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:37,440 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:56, output treesize:40 [2019-05-23 11:25:37,508 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:37,530 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:37,557 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:37,579 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:37,601 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:37,626 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:37,639 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:37,640 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 46 [2019-05-23 11:25:37,641 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:37,798 WARN L146 ILogger]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2019-05-23 11:25:37,798 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:37,799 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:37,799 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:47, output treesize:34 [2019-05-23 11:25:38,265 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:38,265 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 13 [2019-05-23 11:25:38,266 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:38,268 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:38,269 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:38,269 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:7 [2019-05-23 11:25:38,427 INFO L146 ILogger]: Checked inductivity of 76 backedges. 4 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-05-23 11:25:38,448 INFO L146 ILogger]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-05-23 11:25:38,448 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 34] total 50 [2019-05-23 11:25:38,449 INFO L146 ILogger]: Interpolant automaton has 50 states [2019-05-23 11:25:38,449 INFO L146 ILogger]: Constructing interpolant automaton starting with 50 interpolants. [2019-05-23 11:25:38,450 INFO L146 ILogger]: CoverageRelationStatistics Valid=292, Invalid=2158, Unknown=0, NotChecked=0, Total=2450 [2019-05-23 11:25:38,450 INFO L146 ILogger]: Start difference. First operand 229 states and 239 transitions. Second operand 50 states. [2019-05-23 11:25:44,081 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:25:44,081 INFO L146 ILogger]: Finished difference Result 479 states and 501 transitions. [2019-05-23 11:25:44,082 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2019-05-23 11:25:44,082 INFO L146 ILogger]: Start accepts. Automaton has 50 states. Word has length 172 [2019-05-23 11:25:44,082 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:25:44,083 INFO L146 ILogger]: With dead ends: 479 [2019-05-23 11:25:44,083 INFO L146 ILogger]: Without dead ends: 419 [2019-05-23 11:25:44,088 INFO L146 ILogger]: 0 DeclaredPredicates, 284 GetRequests, 161 SyntacticMatches, 23 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3295 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=1157, Invalid=9145, Unknown=0, NotChecked=0, Total=10302 [2019-05-23 11:25:44,088 INFO L146 ILogger]: Start minimizeSevpa. Operand 419 states. [2019-05-23 11:25:44,095 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 419 to 223. [2019-05-23 11:25:44,095 INFO L146 ILogger]: Start removeUnreachable. Operand 223 states. [2019-05-23 11:25:44,096 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 223 states to 223 states and 231 transitions. [2019-05-23 11:25:44,096 INFO L146 ILogger]: Start accepts. Automaton has 223 states and 231 transitions. Word has length 172 [2019-05-23 11:25:44,096 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:25:44,096 INFO L146 ILogger]: Abstraction has 223 states and 231 transitions. [2019-05-23 11:25:44,096 INFO L146 ILogger]: Interpolant automaton has 50 states. [2019-05-23 11:25:44,097 INFO L146 ILogger]: Start isEmpty. Operand 223 states and 231 transitions. [2019-05-23 11:25:44,097 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 187 [2019-05-23 11:25:44,097 INFO L146 ILogger]: Found error trace [2019-05-23 11:25:44,098 INFO L146 ILogger]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-05-23 11:25:44,098 INFO L146 ILogger]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:25:44,098 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:25:44,098 INFO L146 ILogger]: Analyzing trace with hash 1300617520, now seen corresponding path program 9 times [2019-05-23 11:25:44,099 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:25:44,099 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:25:44,099 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:25:44,099 INFO L146 ILogger]: Changing assertion order to NOT_INCREMENTALLY [2019-05-23 11:25:44,100 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:25:44,128 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:25:44,764 INFO L146 ILogger]: Checked inductivity of 98 backedges. 8 proven. 55 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-05-23 11:25:44,764 INFO L146 ILogger]: The current sequences of interpolants are not accepted, trying to find more. [2019-05-23 11:25:44,764 INFO L146 ILogger]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-05-23 11:25:44,772 INFO L146 ILogger]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-05-23 11:25:44,864 INFO L146 ILogger]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-05-23 11:25:44,864 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:25:44,867 INFO L146 ILogger]: Trace formula consists of 267 conjuncts, 63 conjunts are in the unsatisfiable core [2019-05-23 11:25:44,869 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 11:25:45,178 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 12 [2019-05-23 11:25:45,178 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:45,322 WARN L146 ILogger]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2019-05-23 11:25:45,322 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:45,323 INFO L146 ILogger]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:45,323 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:30 [2019-05-23 11:25:45,377 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,378 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2019-05-23 11:25:45,378 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:45,393 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:45,393 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:45,393 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:46, output treesize:30 [2019-05-23 11:25:45,398 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,399 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2019-05-23 11:25:45,399 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:45,413 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:45,413 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:45,414 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:46, output treesize:30 [2019-05-23 11:25:45,418 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,418 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2019-05-23 11:25:45,419 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:45,436 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:45,437 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:45,437 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:46, output treesize:30 [2019-05-23 11:25:45,530 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,530 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 32 treesize of output 25 [2019-05-23 11:25:45,531 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:45,542 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:45,542 INFO L146 ILogger]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:45,542 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:46, output treesize:42 [2019-05-23 11:25:45,593 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,594 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,594 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,596 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:45,596 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 40 [2019-05-23 11:25:45,597 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:45,611 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:45,612 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:45,612 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:45 [2019-05-23 11:25:45,686 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,686 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,688 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,701 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:45,701 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 40 [2019-05-23 11:25:45,702 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:45,731 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:45,731 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:45,731 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:42 [2019-05-23 11:25:45,737 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,761 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,762 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,762 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:45,763 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 34 [2019-05-23 11:25:45,763 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:45,775 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:45,775 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:45,775 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:49, output treesize:36 [2019-05-23 11:25:45,861 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,862 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,863 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,864 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:45,864 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 37 [2019-05-23 11:25:45,864 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:45,877 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:45,877 INFO L146 ILogger]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:45,877 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:51 [2019-05-23 11:25:45,929 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,930 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,931 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,932 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,933 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,933 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,934 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:45,934 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 52 [2019-05-23 11:25:45,935 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:45,953 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:45,954 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:45,954 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:51 [2019-05-23 11:25:45,958 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,973 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,974 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,982 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,983 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,983 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:45,984 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:45,984 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 52 [2019-05-23 11:25:45,985 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:46,001 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:46,002 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:46,002 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:51 [2019-05-23 11:25:46,063 INFO L146 ILogger]: detected equality via solver [2019-05-23 11:25:46,064 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,065 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,068 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,070 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:46,070 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 65 treesize of output 58 [2019-05-23 11:25:46,071 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:46,105 INFO L146 ILogger]: treesize reduction 12, result has 81.8 percent of original size [2019-05-23 11:25:46,106 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:46,106 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:51 [2019-05-23 11:25:46,443 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,445 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,452 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,453 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,453 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,454 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,455 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:46,455 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 49 [2019-05-23 11:25:46,455 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:46,473 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:46,473 INFO L146 ILogger]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:46,473 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:64, output treesize:60 [2019-05-23 11:25:46,602 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,604 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,605 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,606 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,607 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,607 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,609 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,610 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,611 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,612 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,613 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:46,613 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 71 treesize of output 64 [2019-05-23 11:25:46,614 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:46,632 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:46,633 INFO L146 ILogger]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:46,633 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:60 [2019-05-23 11:25:46,657 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,658 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,658 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,659 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,660 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,661 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,663 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,664 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,665 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,666 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,668 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:46,668 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 6 case distinctions, treesize of input 62 treesize of output 64 [2019-05-23 11:25:46,669 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:46,690 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:46,690 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:46,690 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:76, output treesize:60 [2019-05-23 11:25:46,695 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,697 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,699 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,707 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,708 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,708 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,709 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,710 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,710 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:25:46,723 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:25:46,723 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 62 treesize of output 96 [2019-05-23 11:25:46,725 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:25:46,784 INFO L146 ILogger]: treesize reduction 21, result has 81.7 percent of original size [2019-05-23 11:25:46,785 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:25:46,785 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:76, output treesize:82 [2019-05-23 11:26:09,281 WARN L146 ILogger]: Spent 3.58 s on a formula simplification. DAG size of input: 62 DAG size of output: 48