java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Taipan+AI_EQ_imprecise.epf -i ../../../trunk/examples/svcomp/array-memsafety/add_last-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 16:40:03,099 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 16:40:03,101 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 16:40:03,113 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 16:40:03,113 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 16:40:03,114 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 16:40:03,115 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 16:40:03,117 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 16:40:03,118 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 16:40:03,119 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 16:40:03,120 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 16:40:03,120 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 16:40:03,120 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 16:40:03,121 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 16:40:03,122 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 16:40:03,124 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 16:40:03,126 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 16:40:03,128 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 16:40:03,130 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 16:40:03,131 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 16:40:03,133 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-24 16:40:03,134 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-24 16:40:03,134 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-24 16:40:03,135 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-24 16:40:03,136 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-24 16:40:03,137 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-24 16:40:03,137 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-24 16:40:03,138 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-24 16:40:03,138 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-24 16:40:03,138 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 16:40:03,139 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 16:40:03,139 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Taipan+AI_EQ_imprecise.epf [2018-01-24 16:40:03,149 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 16:40:03,150 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 16:40:03,150 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 16:40:03,151 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 16:40:03,151 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 16:40:03,151 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-24 16:40:03,151 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 16:40:03,152 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 16:40:03,152 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 16:40:03,152 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 16:40:03,153 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 16:40:03,153 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 16:40:03,153 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 16:40:03,153 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 16:40:03,153 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 16:40:03,154 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 16:40:03,154 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 16:40:03,154 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 16:40:03,154 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 16:40:03,154 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 16:40:03,155 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 16:40:03,155 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 16:40:03,155 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 16:40:03,155 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 16:40:03,155 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 16:40:03,156 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 16:40:03,156 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 16:40:03,156 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 16:40:03,156 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 16:40:03,157 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-24 16:40:03,157 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 16:40:03,157 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 16:40:03,157 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 16:40:03,157 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-24 16:40:03,158 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 16:40:03,158 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 16:40:03,194 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 16:40:03,206 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 16:40:03,210 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 16:40:03,212 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 16:40:03,212 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 16:40:03,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/add_last-alloca_true-valid-memsafety_true-termination.i [2018-01-24 16:40:03,371 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 16:40:03,377 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 16:40:03,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 16:40:03,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 16:40:03,383 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 16:40:03,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:40:03" (1/1) ... [2018-01-24 16:40:03,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fd46d32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:40:03, skipping insertion in model container [2018-01-24 16:40:03,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:40:03" (1/1) ... [2018-01-24 16:40:03,404 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:40:03,444 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:40:03,556 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:40:03,571 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:40:03,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:40:03 WrapperNode [2018-01-24 16:40:03,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 16:40:03,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 16:40:03,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 16:40:03,577 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 16:40:03,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:40:03" (1/1) ... [2018-01-24 16:40:03,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:40:03" (1/1) ... [2018-01-24 16:40:03,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:40:03" (1/1) ... [2018-01-24 16:40:03,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:40:03" (1/1) ... [2018-01-24 16:40:03,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:40:03" (1/1) ... [2018-01-24 16:40:03,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:40:03" (1/1) ... [2018-01-24 16:40:03,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:40:03" (1/1) ... [2018-01-24 16:40:03,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 16:40:03,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 16:40:03,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 16:40:03,609 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 16:40:03,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:40:03" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 16:40:03,656 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 16:40:03,657 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 16:40:03,657 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 16:40:03,657 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 16:40:03,657 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 16:40:03,657 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 16:40:03,657 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 16:40:03,657 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 16:40:03,657 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 16:40:03,657 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 16:40:03,658 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 16:40:03,658 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 16:40:03,851 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 16:40:03,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:40:03 BoogieIcfgContainer [2018-01-24 16:40:03,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 16:40:03,852 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-24 16:40:03,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-24 16:40:03,855 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-24 16:40:03,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 04:40:03" (1/3) ... [2018-01-24 16:40:03,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a40c717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 04:40:03, skipping insertion in model container [2018-01-24 16:40:03,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:40:03" (2/3) ... [2018-01-24 16:40:03,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a40c717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 04:40:03, skipping insertion in model container [2018-01-24 16:40:03,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:40:03" (3/3) ... [2018-01-24 16:40:03,858 INFO L105 eAbstractionObserver]: Analyzing ICFG add_last-alloca_true-valid-memsafety_true-termination.i [2018-01-24 16:40:03,864 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-24 16:40:03,869 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2018-01-24 16:40:03,911 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-24 16:40:03,911 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-24 16:40:03,911 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-24 16:40:03,911 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-24 16:40:03,912 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-24 16:40:03,912 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-24 16:40:03,912 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-24 16:40:03,912 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-24 16:40:03,913 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-24 16:40:03,932 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2018-01-24 16:40:03,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-01-24 16:40:03,939 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 16:40:03,940 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 16:40:03,940 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-24 16:40:03,945 INFO L82 PathProgramCache]: Analyzing trace with hash 756039163, now seen corresponding path program 1 times [2018-01-24 16:40:03,948 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 16:40:04,005 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:04,006 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 16:40:04,006 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:04,006 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 16:40:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 16:40:04,066 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 16:40:04,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:04,166 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 16:40:04,167 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-24 16:40:04,167 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 16:40:04,170 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-24 16:40:04,181 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-24 16:40:04,182 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-24 16:40:04,184 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 5 states. [2018-01-24 16:40:04,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 16:40:04,435 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2018-01-24 16:40:04,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 16:40:04,437 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-01-24 16:40:04,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 16:40:04,444 INFO L225 Difference]: With dead ends: 46 [2018-01-24 16:40:04,444 INFO L226 Difference]: Without dead ends: 30 [2018-01-24 16:40:04,447 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-01-24 16:40:04,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-01-24 16:40:04,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-01-24 16:40:04,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-01-24 16:40:04,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2018-01-24 16:40:04,474 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 12 [2018-01-24 16:40:04,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 16:40:04,475 INFO L432 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2018-01-24 16:40:04,475 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-24 16:40:04,475 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2018-01-24 16:40:04,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-01-24 16:40:04,475 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 16:40:04,475 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 16:40:04,475 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-24 16:40:04,476 INFO L82 PathProgramCache]: Analyzing trace with hash 756039164, now seen corresponding path program 1 times [2018-01-24 16:40:04,476 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 16:40:04,477 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:04,477 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 16:40:04,477 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:04,477 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 16:40:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 16:40:04,489 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 16:40:04,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:04,587 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 16:40:04,588 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-24 16:40:04,588 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 16:40:04,590 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-24 16:40:04,590 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-24 16:40:04,590 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-24 16:40:04,591 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand 6 states. [2018-01-24 16:40:04,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 16:40:04,829 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2018-01-24 16:40:04,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-24 16:40:04,830 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2018-01-24 16:40:04,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 16:40:04,831 INFO L225 Difference]: With dead ends: 48 [2018-01-24 16:40:04,831 INFO L226 Difference]: Without dead ends: 45 [2018-01-24 16:40:04,833 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-01-24 16:40:04,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-01-24 16:40:04,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 37. [2018-01-24 16:40:04,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-01-24 16:40:04,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2018-01-24 16:40:04,840 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 12 [2018-01-24 16:40:04,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 16:40:04,840 INFO L432 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions. [2018-01-24 16:40:04,841 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-24 16:40:04,841 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2018-01-24 16:40:04,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-24 16:40:04,841 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 16:40:04,841 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 16:40:04,841 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-24 16:40:04,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1962282239, now seen corresponding path program 1 times [2018-01-24 16:40:04,842 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 16:40:04,842 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:04,843 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 16:40:04,843 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:04,843 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 16:40:04,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 16:40:04,854 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 16:40:04,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:04,906 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 16:40:04,906 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-24 16:40:04,906 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 16:40:04,907 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 16:40:04,907 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 16:40:04,907 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 16:40:04,907 INFO L87 Difference]: Start difference. First operand 37 states and 42 transitions. Second operand 4 states. [2018-01-24 16:40:04,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 16:40:04,938 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2018-01-24 16:40:04,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 16:40:04,938 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-01-24 16:40:04,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 16:40:04,939 INFO L225 Difference]: With dead ends: 39 [2018-01-24 16:40:04,939 INFO L226 Difference]: Without dead ends: 35 [2018-01-24 16:40:04,939 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-24 16:40:04,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-01-24 16:40:04,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-01-24 16:40:04,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-01-24 16:40:04,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2018-01-24 16:40:04,945 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 13 [2018-01-24 16:40:04,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 16:40:04,946 INFO L432 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2018-01-24 16:40:04,946 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 16:40:04,946 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2018-01-24 16:40:04,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-24 16:40:04,946 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 16:40:04,947 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 16:40:04,947 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-24 16:40:04,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1962377572, now seen corresponding path program 1 times [2018-01-24 16:40:04,947 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 16:40:04,948 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:04,949 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 16:40:04,949 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:04,949 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 16:40:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 16:40:04,963 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 16:40:05,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:05,048 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 16:40:05,048 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-24 16:40:05,048 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 16:40:05,049 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-24 16:40:05,049 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-24 16:40:05,049 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-24 16:40:05,049 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand 5 states. [2018-01-24 16:40:05,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 16:40:05,121 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2018-01-24 16:40:05,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-24 16:40:05,121 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-01-24 16:40:05,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 16:40:05,122 INFO L225 Difference]: With dead ends: 35 [2018-01-24 16:40:05,122 INFO L226 Difference]: Without dead ends: 33 [2018-01-24 16:40:05,122 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-01-24 16:40:05,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-01-24 16:40:05,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-01-24 16:40:05,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-01-24 16:40:05,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2018-01-24 16:40:05,127 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 13 [2018-01-24 16:40:05,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 16:40:05,128 INFO L432 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2018-01-24 16:40:05,128 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-24 16:40:05,128 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2018-01-24 16:40:05,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-24 16:40:05,128 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 16:40:05,128 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 16:40:05,128 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-24 16:40:05,129 INFO L82 PathProgramCache]: Analyzing trace with hash -676062270, now seen corresponding path program 1 times [2018-01-24 16:40:05,129 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 16:40:05,129 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:05,129 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 16:40:05,130 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:05,130 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 16:40:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 16:40:05,147 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 16:40:05,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:05,210 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 16:40:05,210 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-24 16:40:05,210 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 16:40:05,211 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 16:40:05,211 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 16:40:05,211 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 16:40:05,212 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand 4 states. [2018-01-24 16:40:05,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 16:40:05,281 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2018-01-24 16:40:05,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 16:40:05,281 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-01-24 16:40:05,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 16:40:05,282 INFO L225 Difference]: With dead ends: 33 [2018-01-24 16:40:05,282 INFO L226 Difference]: Without dead ends: 28 [2018-01-24 16:40:05,283 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-24 16:40:05,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-01-24 16:40:05,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-01-24 16:40:05,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-01-24 16:40:05,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2018-01-24 16:40:05,288 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 18 [2018-01-24 16:40:05,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 16:40:05,289 INFO L432 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2018-01-24 16:40:05,289 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 16:40:05,289 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-01-24 16:40:05,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-01-24 16:40:05,290 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 16:40:05,290 INFO L322 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 16:40:05,290 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-24 16:40:05,291 INFO L82 PathProgramCache]: Analyzing trace with hash 236614827, now seen corresponding path program 1 times [2018-01-24 16:40:05,291 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 16:40:05,292 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:05,292 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 16:40:05,292 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:05,292 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 16:40:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 16:40:05,310 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 16:40:05,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:05,530 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 16:40:05,531 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-01-24 16:40:05,531 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 16:40:05,531 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-24 16:40:05,531 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-24 16:40:05,532 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-01-24 16:40:05,532 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 8 states. [2018-01-24 16:40:05,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 16:40:05,722 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2018-01-24 16:40:05,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-24 16:40:05,723 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2018-01-24 16:40:05,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 16:40:05,724 INFO L225 Difference]: With dead ends: 49 [2018-01-24 16:40:05,724 INFO L226 Difference]: Without dead ends: 28 [2018-01-24 16:40:05,724 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-01-24 16:40:05,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-01-24 16:40:05,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-01-24 16:40:05,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-01-24 16:40:05,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2018-01-24 16:40:05,731 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 20 [2018-01-24 16:40:05,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 16:40:05,731 INFO L432 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2018-01-24 16:40:05,731 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-24 16:40:05,731 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2018-01-24 16:40:05,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-01-24 16:40:05,732 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 16:40:05,732 INFO L322 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 16:40:05,732 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-24 16:40:05,733 INFO L82 PathProgramCache]: Analyzing trace with hash -774502423, now seen corresponding path program 1 times [2018-01-24 16:40:05,733 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 16:40:05,734 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:05,734 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 16:40:05,734 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:05,734 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 16:40:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 16:40:05,754 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 16:40:06,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:06,070 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 16:40:06,070 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-24 16:40:06,071 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 21 with the following transitions: [2018-01-24 16:40:06,073 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [10], [12], [13], [19], [23], [25], [27], [28], [35], [36], [39], [42], [45], [54], [55], [56] [2018-01-24 16:40:06,120 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-24 16:40:06,120 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 16:40:06,344 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 16:40:06,346 INFO L268 AbstractInterpreter]: Visited 19 different actions 28 times. Merged at 9 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-01-24 16:40:06,368 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-01-24 16:40:06,368 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 16:40:06,369 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-24 16:40:06,382 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 16:40:06,382 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-24 16:40:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 16:40:06,416 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 16:40:06,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-24 16:40:06,479 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:06,484 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:06,484 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-01-24 16:40:06,589 INFO L477 Elim1Store]: 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 19 treesize of output 15 [2018-01-24 16:40:06,607 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-01-24 16:40:06,607 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-24 16:40:06,611 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:06,620 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-01-24 16:40:06,621 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:40 [2018-01-24 16:40:06,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:06,736 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 16:40:06,826 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-01-24 16:40:06,827 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:06,853 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 32 [2018-01-24 16:40:06,861 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 27 treesize of output 20 [2018-01-24 16:40:06,862 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:06,886 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-01-24 16:40:06,887 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:06,911 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:06,925 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:06,925 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:55, output treesize:36 [2018-01-24 16:40:07,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:07,110 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 16:40:07,110 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-01-24 16:40:07,115 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 16:40:07,115 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-24 16:40:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 16:40:07,149 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 16:40:07,152 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-24 16:40:07,152 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:07,157 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:07,157 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-01-24 16:40:07,171 INFO L477 Elim1Store]: 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 19 treesize of output 15 [2018-01-24 16:40:07,189 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-01-24 16:40:07,190 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-24 16:40:07,193 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:07,201 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-01-24 16:40:07,201 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:40 [2018-01-24 16:40:07,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:07,244 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 16:40:07,249 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-01-24 16:40:07,249 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:07,255 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 32 [2018-01-24 16:40:07,258 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 27 treesize of output 25 [2018-01-24 16:40:07,259 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:07,282 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-01-24 16:40:07,283 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:07,294 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:07,304 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:07,305 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:55, output treesize:36 [2018-01-24 16:40:07,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:07,320 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-01-24 16:40:07,321 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 9, 9] total 24 [2018-01-24 16:40:07,321 INFO L247 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-01-24 16:40:07,321 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-01-24 16:40:07,321 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-01-24 16:40:07,322 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=487, Unknown=0, NotChecked=0, Total=600 [2018-01-24 16:40:07,322 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand 18 states. [2018-01-24 16:40:07,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 16:40:07,772 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2018-01-24 16:40:07,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-01-24 16:40:07,820 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 20 [2018-01-24 16:40:07,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 16:40:07,821 INFO L225 Difference]: With dead ends: 40 [2018-01-24 16:40:07,821 INFO L226 Difference]: Without dead ends: 37 [2018-01-24 16:40:07,822 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 62 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=213, Invalid=717, Unknown=0, NotChecked=0, Total=930 [2018-01-24 16:40:07,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-01-24 16:40:07,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2018-01-24 16:40:07,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-01-24 16:40:07,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2018-01-24 16:40:07,828 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 20 [2018-01-24 16:40:07,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 16:40:07,828 INFO L432 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2018-01-24 16:40:07,828 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-01-24 16:40:07,828 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2018-01-24 16:40:07,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-01-24 16:40:07,829 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 16:40:07,829 INFO L322 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 16:40:07,829 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-24 16:40:07,829 INFO L82 PathProgramCache]: Analyzing trace with hash 476184984, now seen corresponding path program 2 times [2018-01-24 16:40:07,829 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 16:40:07,830 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:07,830 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 16:40:07,830 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:07,830 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 16:40:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 16:40:07,881 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 16:40:08,292 WARN L146 SmtUtils]: Spent 106ms on a formula simplification. DAG size of input: 59 DAG size of output 34 [2018-01-24 16:40:08,419 WARN L146 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 63 DAG size of output 38 [2018-01-24 16:40:08,508 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:08,508 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 16:40:08,508 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-24 16:40:08,509 INFO L183 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-01-24 16:40:08,509 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-01-24 16:40:08,509 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 16:40:08,509 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/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 [2018-01-24 16:40:08,521 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-24 16:40:08,521 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-01-24 16:40:08,534 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-24 16:40:08,543 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-24 16:40:08,546 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-24 16:40:08,549 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 16:40:08,554 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-24 16:40:08,555 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:08,559 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:08,560 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-24 16:40:08,584 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:08,597 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:08,597 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:08,600 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:08,610 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:08,610 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:08,651 INFO L477 Elim1Store]: 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 19 treesize of output 15 [2018-01-24 16:40:08,659 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-01-24 16:40:08,660 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-24 16:40:08,663 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:08,672 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-01-24 16:40:08,673 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:48 [2018-01-24 16:40:08,780 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:08,780 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 16:40:08,912 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2018-01-24 16:40:08,920 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 14 treesize of output 7 [2018-01-24 16:40:08,921 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:08,928 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:08,930 INFO L477 Elim1Store]: 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 45 treesize of output 43 [2018-01-24 16:40:08,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 9 treesize of output 5 [2018-01-24 16:40:08,938 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:08,943 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:08,945 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2018-01-24 16:40:08,952 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 14 treesize of output 7 [2018-01-24 16:40:08,952 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:08,959 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:08,965 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 54 [2018-01-24 16:40:08,981 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2018-01-24 16:40:08,982 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,005 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2018-01-24 16:40:09,005 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,021 INFO L267 ElimStorePlain]: Start of recursive call 8: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:09,027 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 49 [2018-01-24 16:40:09,044 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 39 treesize of output 32 [2018-01-24 16:40:09,044 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,063 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2018-01-24 16:40:09,064 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,092 INFO L267 ElimStorePlain]: Start of recursive call 11: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:09,094 INFO L477 Elim1Store]: 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 43 treesize of output 41 [2018-01-24 16:40:09,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 9 treesize of output 5 [2018-01-24 16:40:09,102 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,107 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,114 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 51 [2018-01-24 16:40:09,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 37 [2018-01-24 16:40:09,142 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,159 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 41 treesize of output 34 [2018-01-24 16:40:09,160 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,184 INFO L267 ElimStorePlain]: Start of recursive call 16: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:09,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 56 [2018-01-24 16:40:09,208 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 41 treesize of output 34 [2018-01-24 16:40:09,209 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,225 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 33 [2018-01-24 16:40:09,225 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,238 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 27 treesize of output 23 [2018-01-24 16:40:09,238 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,248 INFO L267 ElimStorePlain]: Start of recursive call 19: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:09,286 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-01-24 16:40:09,287 INFO L202 ElimStorePlain]: Needed 22 recursive calls to eliminate 3 variables, input treesize:95, output treesize:131 [2018-01-24 16:40:09,424 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:09,446 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 16:40:09,446 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-01-24 16:40:09,452 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-24 16:40:09,452 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-01-24 16:40:09,467 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-24 16:40:09,484 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-24 16:40:09,502 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-24 16:40:09,507 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 16:40:09,516 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-24 16:40:09,516 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,535 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,535 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-24 16:40:09,597 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:09,605 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:09,606 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,612 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,639 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,639 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:09,644 INFO L477 Elim1Store]: 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 19 treesize of output 15 [2018-01-24 16:40:09,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-01-24 16:40:09,651 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-24 16:40:09,654 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:09,662 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-01-24 16:40:09,662 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:48 [2018-01-24 16:40:09,690 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:09,690 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 16:40:09,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2018-01-24 16:40:09,780 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 14 treesize of output 7 [2018-01-24 16:40:09,781 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,788 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,790 INFO L477 Elim1Store]: 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 45 treesize of output 43 [2018-01-24 16:40:09,798 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 9 treesize of output 5 [2018-01-24 16:40:09,799 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,803 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,806 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2018-01-24 16:40:09,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 14 treesize of output 7 [2018-01-24 16:40:09,814 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,821 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,828 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 54 [2018-01-24 16:40:09,846 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2018-01-24 16:40:09,847 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,860 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 39 treesize of output 32 [2018-01-24 16:40:09,861 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,873 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 25 treesize of output 21 [2018-01-24 16:40:09,873 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,882 INFO L267 ElimStorePlain]: Start of recursive call 8: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:09,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 49 [2018-01-24 16:40:09,905 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2018-01-24 16:40:09,905 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,921 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 39 treesize of output 32 [2018-01-24 16:40:09,921 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,946 INFO L267 ElimStorePlain]: Start of recursive call 12: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:09,948 INFO L477 Elim1Store]: 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 43 treesize of output 41 [2018-01-24 16:40:09,956 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 9 treesize of output 5 [2018-01-24 16:40:09,956 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,961 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:09,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 51 [2018-01-24 16:40:09,986 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 37 [2018-01-24 16:40:09,986 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:10,007 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 41 treesize of output 37 [2018-01-24 16:40:10,008 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:10,032 INFO L267 ElimStorePlain]: Start of recursive call 17: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:10,038 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 56 [2018-01-24 16:40:10,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 33 [2018-01-24 16:40:10,055 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:10,068 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 41 treesize of output 34 [2018-01-24 16:40:10,069 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:10,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 27 treesize of output 23 [2018-01-24 16:40:10,085 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:10,095 INFO L267 ElimStorePlain]: Start of recursive call 20: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:10,131 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-01-24 16:40:10,131 INFO L202 ElimStorePlain]: Needed 23 recursive calls to eliminate 3 variables, input treesize:95, output treesize:131 [2018-01-24 16:40:10,220 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:10,221 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-01-24 16:40:10,221 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10, 9, 11] total 27 [2018-01-24 16:40:10,222 INFO L247 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-01-24 16:40:10,222 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-01-24 16:40:10,222 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-01-24 16:40:10,223 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=621, Unknown=0, NotChecked=0, Total=756 [2018-01-24 16:40:10,223 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand 16 states. [2018-01-24 16:40:10,673 WARN L143 SmtUtils]: Spent 196ms on a formula simplification that was a NOOP. DAG size: 27 [2018-01-24 16:40:10,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 16:40:10,714 INFO L93 Difference]: Finished difference Result 48 states and 48 transitions. [2018-01-24 16:40:10,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-01-24 16:40:10,714 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 28 [2018-01-24 16:40:10,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 16:40:10,715 INFO L225 Difference]: With dead ends: 48 [2018-01-24 16:40:10,715 INFO L226 Difference]: Without dead ends: 45 [2018-01-24 16:40:10,716 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 85 SyntacticMatches, 10 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=254, Invalid=936, Unknown=0, NotChecked=0, Total=1190 [2018-01-24 16:40:10,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-01-24 16:40:10,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 44. [2018-01-24 16:40:10,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-01-24 16:40:10,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2018-01-24 16:40:10,720 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 44 transitions. Word has length 28 [2018-01-24 16:40:10,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 16:40:10,720 INFO L432 AbstractCegarLoop]: Abstraction has 44 states and 44 transitions. [2018-01-24 16:40:10,720 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-01-24 16:40:10,720 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2018-01-24 16:40:10,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-01-24 16:40:10,721 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 16:40:10,721 INFO L322 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 16:40:10,721 INFO L371 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-24 16:40:10,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1767056313, now seen corresponding path program 3 times [2018-01-24 16:40:10,721 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 16:40:10,722 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:10,722 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-24 16:40:10,722 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:10,722 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 16:40:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 16:40:10,743 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 16:40:11,186 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:11,186 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 16:40:11,187 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-24 16:40:11,187 INFO L183 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-01-24 16:40:11,187 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-01-24 16:40:11,187 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 16:40:11,187 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/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 [2018-01-24 16:40:11,192 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-01-24 16:40:11,192 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-01-24 16:40:11,200 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-24 16:40:11,204 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-24 16:40:11,210 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-24 16:40:11,215 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-24 16:40:11,216 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-24 16:40:11,220 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 16:40:11,231 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-24 16:40:11,231 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:11,234 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:11,234 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-24 16:40:11,288 INFO L477 Elim1Store]: 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 19 treesize of output 15 [2018-01-24 16:40:11,293 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-01-24 16:40:11,293 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-24 16:40:11,296 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:11,301 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-01-24 16:40:11,302 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:34 [2018-01-24 16:40:11,395 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:11,395 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 16:40:11,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 21 [2018-01-24 16:40:11,491 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 16 treesize of output 9 [2018-01-24 16:40:11,491 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:11,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 12 [2018-01-24 16:40:11,498 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:11,501 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:11,507 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:11,507 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:34, output treesize:48 [2018-01-24 16:40:11,650 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:11,671 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 16:40:11,671 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-01-24 16:40:11,674 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-01-24 16:40:11,674 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-01-24 16:40:11,684 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-24 16:40:11,693 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-24 16:40:11,713 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-24 16:40:11,747 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-24 16:40:11,785 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-24 16:40:11,791 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 16:40:11,794 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-24 16:40:11,795 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:11,802 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:11,802 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-24 16:40:11,819 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:11,821 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:11,821 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:11,822 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:11,828 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:11,829 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:11,833 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:11,835 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:11,835 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:11,836 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:11,842 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:11,842 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:11,845 INFO L477 Elim1Store]: 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 19 treesize of output 15 [2018-01-24 16:40:11,851 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-01-24 16:40:11,851 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-24 16:40:11,854 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:11,859 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-01-24 16:40:11,860 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:34 [2018-01-24 16:40:11,883 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:11,884 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 16:40:12,522 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2018-01-24 16:40:12,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 30 [2018-01-24 16:40:12,530 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:12,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2018-01-24 16:40:12,531 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:12,533 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:12,539 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:12,541 INFO L477 Elim1Store]: 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 61 treesize of output 57 [2018-01-24 16:40:12,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 37 [2018-01-24 16:40:12,555 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:12,562 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 39 [2018-01-24 16:40:12,562 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-01-24 16:40:12,564 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:12,566 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 21 [2018-01-24 16:40:12,566 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:12,569 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:12,575 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 43 [2018-01-24 16:40:12,575 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-01-24 16:40:12,586 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:12,592 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:12,599 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 87 [2018-01-24 16:40:12,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 86 [2018-01-24 16:40:12,661 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:12,667 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 57 [2018-01-24 16:40:12,668 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-01-24 16:40:12,670 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:12,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 53 [2018-01-24 16:40:12,678 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-01-24 16:40:12,697 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:12,718 INFO L267 ElimStorePlain]: Start of recursive call 10: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:12,770 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 42 [2018-01-24 16:40:12,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 26 treesize of output 19 [2018-01-24 16:40:12,773 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:12,798 INFO L267 ElimStorePlain]: Start of recursive call 14: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:12,800 INFO L477 Elim1Store]: 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 59 treesize of output 55 [2018-01-24 16:40:12,802 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 37 [2018-01-24 16:40:12,816 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:12,817 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 21 [2018-01-24 16:40:12,818 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:12,819 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:12,829 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 39 [2018-01-24 16:40:12,830 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-01-24 16:40:12,831 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:12,836 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 43 [2018-01-24 16:40:12,837 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 2 xjuncts. [2018-01-24 16:40:12,847 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:12,852 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:12,874 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-01-24 16:40:12,874 INFO L202 ElimStorePlain]: Needed 20 recursive calls to eliminate 10 variables, input treesize:123, output treesize:83 [2018-01-24 16:40:13,075 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:13,077 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-01-24 16:40:13,077 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11, 11, 14] total 39 [2018-01-24 16:40:13,077 INFO L247 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-01-24 16:40:13,077 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-01-24 16:40:13,077 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-01-24 16:40:13,078 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=1325, Unknown=0, NotChecked=0, Total=1560 [2018-01-24 16:40:13,078 INFO L87 Difference]: Start difference. First operand 44 states and 44 transitions. Second operand 19 states. [2018-01-24 16:40:13,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 16:40:13,508 INFO L93 Difference]: Finished difference Result 56 states and 56 transitions. [2018-01-24 16:40:13,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-01-24 16:40:13,509 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 36 [2018-01-24 16:40:13,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 16:40:13,510 INFO L225 Difference]: With dead ends: 56 [2018-01-24 16:40:13,510 INFO L226 Difference]: Without dead ends: 53 [2018-01-24 16:40:13,511 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 100 SyntacticMatches, 16 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 881 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=433, Invalid=1919, Unknown=0, NotChecked=0, Total=2352 [2018-01-24 16:40:13,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-01-24 16:40:13,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2018-01-24 16:40:13,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-01-24 16:40:13,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2018-01-24 16:40:13,516 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 36 [2018-01-24 16:40:13,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 16:40:13,517 INFO L432 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2018-01-24 16:40:13,517 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-01-24 16:40:13,517 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2018-01-24 16:40:13,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-01-24 16:40:13,518 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 16:40:13,518 INFO L322 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 16:40:13,518 INFO L371 AbstractCegarLoop]: === Iteration 10 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-24 16:40:13,519 INFO L82 PathProgramCache]: Analyzing trace with hash -934963210, now seen corresponding path program 4 times [2018-01-24 16:40:13,519 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 16:40:13,519 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:13,520 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-24 16:40:13,520 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:13,520 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 16:40:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 16:40:13,543 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 16:40:14,202 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:14,202 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 16:40:14,202 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-24 16:40:14,202 INFO L183 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-01-24 16:40:14,202 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-01-24 16:40:14,202 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 16:40:14,202 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/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 [2018-01-24 16:40:14,207 INFO L101 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-01-24 16:40:14,207 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-01-24 16:40:14,227 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-24 16:40:14,230 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 16:40:14,237 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-24 16:40:14,237 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:14,240 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:14,240 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-24 16:40:14,324 INFO L477 Elim1Store]: 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 19 treesize of output 15 [2018-01-24 16:40:14,329 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-01-24 16:40:14,329 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-24 16:40:14,332 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:14,339 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-01-24 16:40:14,339 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:48 [2018-01-24 16:40:14,408 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:14,408 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 16:40:14,485 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 36 [2018-01-24 16:40:14,488 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2018-01-24 16:40:14,488 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:14,500 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 31 treesize of output 29 [2018-01-24 16:40:14,501 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:14,519 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:14,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34 [2018-01-24 16:40:14,526 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 27 [2018-01-24 16:40:14,526 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:14,546 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2018-01-24 16:40:14,546 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:14,556 INFO L267 ElimStorePlain]: Start of recursive call 5: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:14,574 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-01-24 16:40:14,574 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:63, output treesize:83 [2018-01-24 16:40:14,810 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:14,830 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 16:40:14,830 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 9 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-01-24 16:40:14,835 INFO L101 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-01-24 16:40:14,836 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-01-24 16:40:14,887 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-24 16:40:14,893 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 16:40:14,896 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-24 16:40:14,896 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:14,900 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:14,900 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-24 16:40:14,934 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:14,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:14,938 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:14,940 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:14,953 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:14,954 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:14,965 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:14,973 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:14,974 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:14,982 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:15,015 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:15,015 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:15,020 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:15,023 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:15,023 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:15,026 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:15,040 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:15,041 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:15,044 INFO L477 Elim1Store]: 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 19 treesize of output 15 [2018-01-24 16:40:15,051 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-01-24 16:40:15,051 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-24 16:40:15,054 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:15,062 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-01-24 16:40:15,062 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:48 [2018-01-24 16:40:15,110 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:15,110 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 16:40:15,672 INFO L477 Elim1Store]: 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 75 treesize of output 71 [2018-01-24 16:40:15,675 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 51 [2018-01-24 16:40:15,677 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:15,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 52 [2018-01-24 16:40:15,696 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:15,696 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:15,697 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:15,700 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 33 [2018-01-24 16:40:15,700 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:15,703 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:15,703 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:15,703 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:15,717 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 72 [2018-01-24 16:40:15,718 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2018-01-24 16:40:15,720 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:15,721 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:15,721 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:15,746 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 68 [2018-01-24 16:40:15,747 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 4 xjuncts. [2018-01-24 16:40:15,767 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:15,769 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:15,775 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:15,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 108 treesize of output 108 [2018-01-24 16:40:15,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 103 treesize of output 96 [2018-01-24 16:40:15,787 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:15,806 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 68 [2018-01-24 16:40:15,809 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:15,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 52 [2018-01-24 16:40:15,826 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:15,827 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:15,827 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:15,830 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 33 [2018-01-24 16:40:15,830 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:15,832 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:15,833 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:15,833 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:15,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 68 [2018-01-24 16:40:15,848 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 4 xjuncts. [2018-01-24 16:40:15,850 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:15,851 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:15,851 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:15,865 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 72 [2018-01-24 16:40:15,866 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 4 xjuncts. [2018-01-24 16:40:15,886 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:15,892 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:15,918 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 100 treesize of output 107 [2018-01-24 16:40:15,922 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:15,924 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 80 [2018-01-24 16:40:15,949 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:15,949 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:15,951 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 33 [2018-01-24 16:40:15,952 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:15,958 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:15,975 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:15,987 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 103 [2018-01-24 16:40:16,040 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:16,040 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:16,040 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:16,041 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:16,041 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 16:40:16,044 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 66 [2018-01-24 16:40:16,045 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:16,075 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:16,076 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:16,076 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:16,089 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 82 [2018-01-24 16:40:16,091 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 4 xjuncts. [2018-01-24 16:40:16,095 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:16,095 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:16,096 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:16,111 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 86 [2018-01-24 16:40:16,112 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 4 xjuncts. [2018-01-24 16:40:16,142 INFO L267 ElimStorePlain]: Start of recursive call 18: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:16,149 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:16,157 INFO L267 ElimStorePlain]: Start of recursive call 8: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:16,159 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 51 [2018-01-24 16:40:16,161 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 37 [2018-01-24 16:40:16,163 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:16,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 45 [2018-01-24 16:40:16,173 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:16,173 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:16,173 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:16,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 28 [2018-01-24 16:40:16,177 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:16,178 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:16,179 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:16,186 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:16,235 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 49 [2018-01-24 16:40:16,238 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 33 treesize of output 26 [2018-01-24 16:40:16,238 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:16,248 INFO L267 ElimStorePlain]: Start of recursive call 26: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:16,251 INFO L477 Elim1Store]: 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 73 treesize of output 69 [2018-01-24 16:40:16,254 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 51 [2018-01-24 16:40:16,258 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:16,260 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 52 [2018-01-24 16:40:16,288 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:16,288 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:16,289 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:16,301 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 68 [2018-01-24 16:40:16,302 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 4 xjuncts. [2018-01-24 16:40:16,304 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:16,305 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:16,305 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:16,318 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 72 [2018-01-24 16:40:16,319 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 4 xjuncts. [2018-01-24 16:40:16,321 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:16,321 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:16,322 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:16,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 33 [2018-01-24 16:40:16,325 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:16,342 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:16,343 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:16,347 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:16,366 INFO L267 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-01-24 16:40:16,366 INFO L202 ElimStorePlain]: Needed 33 recursive calls to eliminate 14 variables, input treesize:151, output treesize:83 [2018-01-24 16:40:16,399 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:16,401 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-01-24 16:40:16,401 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12, 11, 15] total 36 [2018-01-24 16:40:16,401 INFO L247 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-01-24 16:40:16,401 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-01-24 16:40:16,402 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-01-24 16:40:16,402 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=268, Invalid=1064, Unknown=0, NotChecked=0, Total=1332 [2018-01-24 16:40:16,402 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand 20 states. [2018-01-24 16:40:16,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 16:40:16,825 INFO L93 Difference]: Finished difference Result 64 states and 64 transitions. [2018-01-24 16:40:16,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-01-24 16:40:16,825 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 44 [2018-01-24 16:40:16,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 16:40:16,826 INFO L225 Difference]: With dead ends: 64 [2018-01-24 16:40:16,826 INFO L226 Difference]: Without dead ends: 61 [2018-01-24 16:40:16,827 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 136 SyntacticMatches, 16 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 868 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=448, Invalid=1622, Unknown=0, NotChecked=0, Total=2070 [2018-01-24 16:40:16,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-01-24 16:40:16,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 60. [2018-01-24 16:40:16,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-01-24 16:40:16,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-01-24 16:40:16,833 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 44 [2018-01-24 16:40:16,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 16:40:16,833 INFO L432 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2018-01-24 16:40:16,833 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-01-24 16:40:16,833 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-01-24 16:40:16,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-01-24 16:40:16,835 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 16:40:16,835 INFO L322 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 16:40:16,835 INFO L371 AbstractCegarLoop]: === Iteration 11 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-24 16:40:16,835 INFO L82 PathProgramCache]: Analyzing trace with hash 968570021, now seen corresponding path program 5 times [2018-01-24 16:40:16,835 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 16:40:16,836 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:16,836 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-24 16:40:16,836 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:16,836 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 16:40:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 16:40:16,860 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 16:40:17,516 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:17,516 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 16:40:17,516 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-24 16:40:17,516 INFO L183 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-01-24 16:40:17,516 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-01-24 16:40:17,516 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 16:40:17,516 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/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 [2018-01-24 16:40:17,522 INFO L101 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-01-24 16:40:17,522 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder INSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-01-24 16:40:17,531 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-24 16:40:17,534 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-24 16:40:17,538 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-24 16:40:17,542 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-24 16:40:17,548 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-24 16:40:17,555 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-24 16:40:17,559 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-24 16:40:17,562 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 16:40:17,566 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-24 16:40:17,567 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:17,570 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:17,570 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-24 16:40:17,581 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:17,582 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:17,582 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:17,584 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:17,591 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:17,592 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:17,616 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:17,618 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:17,618 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:17,620 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:17,627 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:17,628 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:17,664 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:17,665 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:17,666 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:17,667 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:17,674 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:17,674 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:24 [2018-01-24 16:40:17,719 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:17,721 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:17,721 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:17,722 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:17,729 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:17,729 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:24 [2018-01-24 16:40:17,775 INFO L477 Elim1Store]: 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 19 treesize of output 15 [2018-01-24 16:40:17,781 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-01-24 16:40:17,802 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-24 16:40:17,806 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:17,812 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-01-24 16:40:17,812 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:44 [2018-01-24 16:40:17,931 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:17,931 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 16:40:18,830 INFO L477 Elim1Store]: 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 89 treesize of output 85 [2018-01-24 16:40:18,832 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2018-01-24 16:40:18,835 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:18,836 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 66 [2018-01-24 16:40:18,838 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:18,839 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:18,839 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:18,842 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 74 [2018-01-24 16:40:18,856 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:18,857 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:18,857 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:18,858 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:18,858 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:18,859 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:18,878 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 104 [2018-01-24 16:40:18,881 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 8 xjuncts. [2018-01-24 16:40:18,883 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:18,883 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:18,884 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:18,884 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:18,885 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:18,885 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:18,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 108 [2018-01-24 16:40:18,906 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 8 xjuncts. [2018-01-24 16:40:18,909 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:18,910 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:18,910 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:18,911 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:18,911 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:18,912 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:18,920 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 52 [2018-01-24 16:40:18,920 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:18,979 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:18,983 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:18,985 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:18,991 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:18,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 58 [2018-01-24 16:40:18,996 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 40 treesize of output 33 [2018-01-24 16:40:18,996 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:19,004 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:19,012 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 129 treesize of output 129 [2018-01-24 16:40:19,017 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 124 treesize of output 117 [2018-01-24 16:40:19,018 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:19,046 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 121 treesize of output 128 [2018-01-24 16:40:19,049 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,061 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 114 treesize of output 124 [2018-01-24 16:40:19,065 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,066 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,067 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,085 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 108 treesize of output 125 [2018-01-24 16:40:19,147 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,147 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,147 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,148 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,149 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,149 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 118 [2018-01-24 16:40:19,171 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 8 xjuncts. [2018-01-24 16:40:19,173 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,173 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,174 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,175 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,175 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,175 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,194 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 122 [2018-01-24 16:40:19,196 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 8 xjuncts. [2018-01-24 16:40:19,250 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:19,261 INFO L267 ElimStorePlain]: Start of recursive call 14: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:19,273 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:19,284 INFO L267 ElimStorePlain]: Start of recursive call 11: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:19,317 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 56 [2018-01-24 16:40:19,320 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 40 treesize of output 33 [2018-01-24 16:40:19,320 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:19,326 INFO L267 ElimStorePlain]: Start of recursive call 18: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:19,328 INFO L477 Elim1Store]: 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 87 treesize of output 83 [2018-01-24 16:40:19,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2018-01-24 16:40:19,333 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,334 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 66 [2018-01-24 16:40:19,336 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,337 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,337 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,339 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 74 [2018-01-24 16:40:19,356 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,356 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,356 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,357 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,358 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,358 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,376 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 108 [2018-01-24 16:40:19,377 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 8 xjuncts. [2018-01-24 16:40:19,380 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,380 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,380 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,381 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,381 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,381 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,386 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 52 [2018-01-24 16:40:19,387 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:19,389 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,390 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,390 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,392 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,392 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,392 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:19,419 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 104 [2018-01-24 16:40:19,421 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 8 xjuncts. [2018-01-24 16:40:19,471 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:19,484 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:19,499 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:19,535 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:19,662 INFO L267 ElimStorePlain]: Start of recursive call 1: 16 dim-0 vars, 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-01-24 16:40:19,663 INFO L202 ElimStorePlain]: Needed 26 recursive calls to eliminate 18 variables, input treesize:179, output treesize:83 [2018-01-24 16:40:19,803 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:19,824 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 16:40:19,824 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 11 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-01-24 16:40:19,827 INFO L101 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-01-24 16:40:19,827 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder INSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-01-24 16:40:19,837 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-24 16:40:19,846 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-24 16:40:19,868 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-24 16:40:19,900 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-24 16:40:19,965 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-24 16:40:20,134 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-24 16:40:20,311 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-24 16:40:20,319 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 16:40:20,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-24 16:40:20,324 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:20,331 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:20,331 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-24 16:40:20,392 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:20,394 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:20,394 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:20,396 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:20,403 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:20,403 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:20,479 INFO L477 Elim1Store]: 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 19 treesize of output 15 [2018-01-24 16:40:20,484 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-01-24 16:40:20,484 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-24 16:40:20,487 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:20,492 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-01-24 16:40:20,492 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:34 [2018-01-24 16:40:20,591 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:20,591 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 16:40:20,620 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2018-01-24 16:40:20,627 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 14 treesize of output 7 [2018-01-24 16:40:20,628 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:20,634 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:20,635 INFO L477 Elim1Store]: 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 45 treesize of output 43 [2018-01-24 16:40:20,643 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 9 treesize of output 5 [2018-01-24 16:40:20,643 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:20,648 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:20,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2018-01-24 16:40:20,656 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 14 treesize of output 10 [2018-01-24 16:40:20,656 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:20,662 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:20,668 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 54 [2018-01-24 16:40:20,684 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2018-01-24 16:40:20,684 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:20,708 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2018-01-24 16:40:20,708 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:20,718 INFO L267 ElimStorePlain]: Start of recursive call 8: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:20,723 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 49 [2018-01-24 16:40:20,739 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 39 treesize of output 35 [2018-01-24 16:40:20,740 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:20,765 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2018-01-24 16:40:20,766 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:20,778 INFO L267 ElimStorePlain]: Start of recursive call 11: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:20,780 INFO L477 Elim1Store]: 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 43 treesize of output 41 [2018-01-24 16:40:20,788 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 9 treesize of output 5 [2018-01-24 16:40:20,788 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:20,792 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:20,799 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 51 [2018-01-24 16:40:20,815 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 41 treesize of output 37 [2018-01-24 16:40:20,816 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:20,843 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 37 [2018-01-24 16:40:20,843 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:20,855 INFO L267 ElimStorePlain]: Start of recursive call 16: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:20,861 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 56 [2018-01-24 16:40:20,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 33 [2018-01-24 16:40:20,877 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:20,891 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 33 [2018-01-24 16:40:20,892 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:20,910 INFO L267 ElimStorePlain]: Start of recursive call 19: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:20,943 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-01-24 16:40:20,943 INFO L202 ElimStorePlain]: Needed 21 recursive calls to eliminate 3 variables, input treesize:95, output treesize:131 [2018-01-24 16:40:21,305 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:21,307 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-01-24 16:40:21,308 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 17, 13, 15] total 51 [2018-01-24 16:40:21,308 INFO L247 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-01-24 16:40:21,308 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-01-24 16:40:21,308 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-01-24 16:40:21,309 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=392, Invalid=2260, Unknown=0, NotChecked=0, Total=2652 [2018-01-24 16:40:21,309 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand 25 states. [2018-01-24 16:40:21,921 WARN L146 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 36 DAG size of output 23 [2018-01-24 16:40:22,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 16:40:22,058 INFO L93 Difference]: Finished difference Result 72 states and 72 transitions. [2018-01-24 16:40:22,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-01-24 16:40:22,059 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 52 [2018-01-24 16:40:22,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 16:40:22,060 INFO L225 Difference]: With dead ends: 72 [2018-01-24 16:40:22,060 INFO L226 Difference]: Without dead ends: 69 [2018-01-24 16:40:22,061 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 153 SyntacticMatches, 17 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1618 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=727, Invalid=3433, Unknown=0, NotChecked=0, Total=4160 [2018-01-24 16:40:22,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-01-24 16:40:22,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2018-01-24 16:40:22,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-01-24 16:40:22,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-01-24 16:40:22,081 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 52 [2018-01-24 16:40:22,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 16:40:22,081 INFO L432 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2018-01-24 16:40:22,081 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-01-24 16:40:22,081 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-01-24 16:40:22,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-01-24 16:40:22,082 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 16:40:22,082 INFO L322 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 16:40:22,082 INFO L371 AbstractCegarLoop]: === Iteration 12 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-24 16:40:22,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1956426324, now seen corresponding path program 6 times [2018-01-24 16:40:22,082 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 16:40:22,083 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:22,083 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-24 16:40:22,083 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:22,083 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 16:40:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 16:40:22,105 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 16:40:22,720 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:22,720 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 16:40:22,720 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-24 16:40:22,721 INFO L183 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-01-24 16:40:22,721 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-01-24 16:40:22,721 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 16:40:22,721 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-24 16:40:22,726 INFO L101 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-01-24 16:40:22,726 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder MIX_INSIDE_OUTSIDE (IT: FPandBP) [2018-01-24 16:40:22,735 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-24 16:40:22,738 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-24 16:40:22,741 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-24 16:40:22,745 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-24 16:40:22,749 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-24 16:40:22,754 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-24 16:40:22,762 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-24 16:40:22,765 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-24 16:40:22,768 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 16:40:22,770 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-24 16:40:22,771 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:22,777 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:22,777 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-24 16:40:22,850 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:22,852 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:22,852 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:22,854 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:22,867 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:22,867 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:22,887 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:22,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:22,889 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:22,890 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:22,896 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:22,896 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:22,917 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:22,918 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:22,918 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:22,920 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:22,927 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:22,927 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:24 [2018-01-24 16:40:23,047 INFO L477 Elim1Store]: 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 16 treesize of output 12 [2018-01-24 16:40:23,049 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 13 [2018-01-24 16:40:23,049 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:23,051 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:23,055 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-24 16:40:23,055 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:26 [2018-01-24 16:40:23,125 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:23,126 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 16:40:23,428 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 94 [2018-01-24 16:40:23,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 89 treesize of output 82 [2018-01-24 16:40:23,431 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:23,442 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 54 [2018-01-24 16:40:23,444 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:23,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 52 [2018-01-24 16:40:23,460 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:23,461 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:23,461 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:23,473 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 72 [2018-01-24 16:40:23,474 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2018-01-24 16:40:23,476 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:23,476 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:23,477 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:23,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 68 [2018-01-24 16:40:23,490 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 4 xjuncts. [2018-01-24 16:40:23,493 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:23,493 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:23,494 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:23,500 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 33 [2018-01-24 16:40:23,501 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:23,520 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:23,523 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:23,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 93 [2018-01-24 16:40:23,545 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:23,555 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 79 treesize of output 89 [2018-01-24 16:40:23,593 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:23,593 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:23,594 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:23,605 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 72 [2018-01-24 16:40:23,606 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 4 xjuncts. [2018-01-24 16:40:23,608 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:23,608 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:23,608 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:23,621 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 68 [2018-01-24 16:40:23,622 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 4 xjuncts. [2018-01-24 16:40:23,641 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:23,646 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:23,650 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:23,652 INFO L477 Elim1Store]: 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 61 treesize of output 57 [2018-01-24 16:40:23,654 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 51 [2018-01-24 16:40:23,656 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:23,658 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 52 [2018-01-24 16:40:23,670 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:23,671 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:23,671 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:23,674 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 33 [2018-01-24 16:40:23,674 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:23,676 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:23,677 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:23,677 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:23,689 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 72 [2018-01-24 16:40:23,690 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 4 xjuncts. [2018-01-24 16:40:23,692 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:23,692 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:23,693 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:23,705 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 68 [2018-01-24 16:40:23,706 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 4 xjuncts. [2018-01-24 16:40:23,723 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:23,725 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:23,727 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:23,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2018-01-24 16:40:23,731 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 33 treesize of output 26 [2018-01-24 16:40:23,731 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:23,733 INFO L267 ElimStorePlain]: Start of recursive call 19: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:23,742 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:23,742 INFO L202 ElimStorePlain]: Needed 20 recursive calls to eliminate 7 variables, input treesize:81, output treesize:54 [2018-01-24 16:40:23,927 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:23,948 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 16:40:23,948 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 13 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-01-24 16:40:23,951 INFO L101 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-01-24 16:40:23,951 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder MIX_INSIDE_OUTSIDE (IT: FPandBP) [2018-01-24 16:40:23,965 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-24 16:40:23,975 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-24 16:40:23,996 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-24 16:40:24,030 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-24 16:40:24,074 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-24 16:40:24,187 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-24 16:40:24,224 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-24 16:40:24,523 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-24 16:40:24,532 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 16:40:24,535 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-24 16:40:24,535 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:24,538 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:24,538 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-24 16:40:24,553 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:24,554 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:24,554 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:24,556 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:24,570 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:24,570 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:33, output treesize:17 [2018-01-24 16:40:24,578 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:24,580 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:24,580 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:24,588 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:24,594 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:24,595 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:24,598 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:24,600 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:24,600 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:24,601 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:24,607 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:24,607 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:24,611 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:24,613 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:24,613 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:24,614 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:24,620 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:24,620 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:24,624 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:24,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:24,627 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:24,629 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:24,642 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:24,642 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:24,673 INFO L477 Elim1Store]: 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 19 treesize of output 15 [2018-01-24 16:40:24,678 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-01-24 16:40:24,678 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-24 16:40:24,681 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:24,688 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-01-24 16:40:24,688 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:48 [2018-01-24 16:40:24,753 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:24,753 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 16:40:25,875 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 136 treesize of output 136 [2018-01-24 16:40:25,878 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 124 [2018-01-24 16:40:25,880 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,881 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 115 [2018-01-24 16:40:25,883 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,884 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,884 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,887 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 116 [2018-01-24 16:40:25,889 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,890 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,890 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,890 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,891 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,891 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,896 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 124 [2018-01-24 16:40:25,918 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,918 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,918 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,919 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,919 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,919 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,919 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,920 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,920 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,920 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 88 [2018-01-24 16:40:25,931 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:25,933 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,934 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,934 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,934 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,935 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,936 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,936 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,937 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,937 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,938 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,964 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 76 treesize of output 161 [2018-01-24 16:40:25,967 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 16 xjuncts. [2018-01-24 16:40:25,970 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,970 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,971 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,971 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,972 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,973 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,973 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,974 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,975 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:25,975 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,002 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 76 treesize of output 157 [2018-01-24 16:40:26,005 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 16 xjuncts. [2018-01-24 16:40:26,084 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:26,088 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:26,091 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:26,093 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:26,115 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 128 treesize of output 135 [2018-01-24 16:40:26,124 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,125 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 94 [2018-01-24 16:40:26,127 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,128 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,128 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2018-01-24 16:40:26,133 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,134 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,134 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,134 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,135 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,135 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 123 [2018-01-24 16:40:26,163 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,164 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,164 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,164 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,165 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,165 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,165 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,165 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,166 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,173 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 97 [2018-01-24 16:40:26,174 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:26,176 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-01-24 16:40:26,176 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:26,179 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,179 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,180 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,180 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,180 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,181 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,181 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,181 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,181 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,189 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 93 [2018-01-24 16:40:26,190 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:26,198 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:26,200 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:26,203 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:26,214 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,226 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 121 treesize of output 131 [2018-01-24 16:40:26,229 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,230 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,231 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,246 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 115 treesize of output 132 [2018-01-24 16:40:26,249 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,250 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,250 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,250 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,251 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,251 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,256 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 119 [2018-01-24 16:40:26,281 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,281 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,282 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,282 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 16:40:26,283 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,283 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,283 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,284 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,284 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,284 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,285 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 99 [2018-01-24 16:40:26,294 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:26,304 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:26,320 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,321 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,322 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,322 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,323 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,324 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 99 treesize of output 140 [2018-01-24 16:40:26,396 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,397 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,397 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,397 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,398 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,399 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,399 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,400 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,400 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,401 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,425 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 151 [2018-01-24 16:40:26,428 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 16 xjuncts. [2018-01-24 16:40:26,430 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,431 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,431 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,431 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,432 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,433 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,433 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,434 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,434 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,435 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,460 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 147 [2018-01-24 16:40:26,464 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 16 xjuncts. [2018-01-24 16:40:26,543 INFO L267 ElimStorePlain]: Start of recursive call 21: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:26,546 INFO L267 ElimStorePlain]: Start of recursive call 18: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:26,550 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:26,553 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:26,557 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:26,559 INFO L477 Elim1Store]: 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 89 treesize of output 85 [2018-01-24 16:40:26,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 79 [2018-01-24 16:40:26,563 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,564 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 80 [2018-01-24 16:40:26,567 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,567 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,567 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,570 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 88 [2018-01-24 16:40:26,573 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,573 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,573 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,574 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,574 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,574 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,579 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 103 [2018-01-24 16:40:26,597 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,598 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,598 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,598 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,600 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,600 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,600 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,602 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,602 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,602 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,628 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 151 [2018-01-24 16:40:26,631 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 16 xjuncts. [2018-01-24 16:40:26,633 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,634 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,634 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,634 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,634 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,635 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,635 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,635 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,636 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,636 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,644 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 78 [2018-01-24 16:40:26,644 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:26,646 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,647 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,647 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,647 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,649 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,649 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,649 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,650 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,651 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,651 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:26,676 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 147 [2018-01-24 16:40:26,679 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 16 xjuncts. [2018-01-24 16:40:26,751 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:26,755 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:26,758 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:26,760 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:26,763 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:26,765 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 51 [2018-01-24 16:40:26,767 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 47 treesize of output 40 [2018-01-24 16:40:26,767 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:26,769 INFO L267 ElimStorePlain]: Start of recursive call 32: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:26,778 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:26,778 INFO L202 ElimStorePlain]: Needed 33 recursive calls to eliminate 22 variables, input treesize:215, output treesize:50 [2018-01-24 16:40:26,945 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:26,948 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-01-24 16:40:26,948 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 16, 13, 18] total 56 [2018-01-24 16:40:26,948 INFO L247 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-01-24 16:40:26,949 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-01-24 16:40:26,949 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-01-24 16:40:26,950 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=452, Invalid=2740, Unknown=0, NotChecked=0, Total=3192 [2018-01-24 16:40:26,950 INFO L87 Difference]: Start difference. First operand 68 states and 68 transitions. Second operand 27 states. [2018-01-24 16:40:27,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 16:40:27,750 INFO L93 Difference]: Finished difference Result 80 states and 80 transitions. [2018-01-24 16:40:27,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-01-24 16:40:27,751 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 60 [2018-01-24 16:40:27,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 16:40:27,751 INFO L225 Difference]: With dead ends: 80 [2018-01-24 16:40:27,751 INFO L226 Difference]: Without dead ends: 77 [2018-01-24 16:40:27,752 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 186 SyntacticMatches, 13 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2012 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=934, Invalid=4178, Unknown=0, NotChecked=0, Total=5112 [2018-01-24 16:40:27,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-01-24 16:40:27,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76. [2018-01-24 16:40:27,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-01-24 16:40:27,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 76 transitions. [2018-01-24 16:40:27,758 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 76 transitions. Word has length 60 [2018-01-24 16:40:27,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 16:40:27,759 INFO L432 AbstractCegarLoop]: Abstraction has 76 states and 76 transitions. [2018-01-24 16:40:27,759 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-01-24 16:40:27,759 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 76 transitions. [2018-01-24 16:40:27,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-01-24 16:40:27,760 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 16:40:27,760 INFO L322 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 16:40:27,760 INFO L371 AbstractCegarLoop]: === Iteration 13 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-24 16:40:27,760 INFO L82 PathProgramCache]: Analyzing trace with hash 58265859, now seen corresponding path program 7 times [2018-01-24 16:40:27,760 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 16:40:27,760 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:27,761 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-24 16:40:27,761 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:27,761 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 16:40:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 16:40:27,784 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 16:40:28,468 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:28,469 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 16:40:28,469 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-24 16:40:28,469 INFO L183 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-01-24 16:40:28,469 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-01-24 16:40:28,469 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 16:40:28,469 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-24 16:40:28,474 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 16:40:28,474 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-24 16:40:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 16:40:28,508 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 16:40:28,511 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-24 16:40:28,511 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:28,514 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:28,515 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-24 16:40:28,539 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:28,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:28,541 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:28,543 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:28,550 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:28,550 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:28,569 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:28,571 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:28,571 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:28,572 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:28,578 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:28,578 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:28,598 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:28,600 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:28,600 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:28,601 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:28,607 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:28,607 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:28,629 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:28,631 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:28,631 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:28,633 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:28,640 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:28,641 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:28,668 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:28,669 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:28,669 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:28,671 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:28,677 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:28,677 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:28,698 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:28,700 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:28,700 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:28,702 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:28,709 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:28,709 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:28,753 INFO L477 Elim1Store]: 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 19 treesize of output 15 [2018-01-24 16:40:28,758 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-01-24 16:40:28,759 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-24 16:40:28,761 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:28,768 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-01-24 16:40:28,768 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:48 [2018-01-24 16:40:28,855 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:28,855 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 16:40:30,227 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 72 [2018-01-24 16:40:30,229 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 54 treesize of output 47 [2018-01-24 16:40:30,230 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:30,236 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:30,238 INFO L477 Elim1Store]: 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 117 treesize of output 113 [2018-01-24 16:40:30,240 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 93 [2018-01-24 16:40:30,248 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,250 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 94 [2018-01-24 16:40:30,252 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,252 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,252 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,255 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 102 [2018-01-24 16:40:30,258 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,258 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,259 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,259 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,259 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,259 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 117 [2018-01-24 16:40:30,268 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,268 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,269 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,269 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,269 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,270 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,270 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,270 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,270 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,271 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,280 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 139 [2018-01-24 16:40:30,301 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,301 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,301 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,302 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,302 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,302 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,303 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,303 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,303 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,304 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,305 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,305 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,306 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,307 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,308 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 72 treesize of output 197 [2018-01-24 16:40:30,349 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 32 xjuncts. [2018-01-24 16:40:30,355 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,356 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,356 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,357 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,357 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,357 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,358 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,358 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,358 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,360 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,360 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,360 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,361 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,362 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,363 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 72 treesize of output 201 [2018-01-24 16:40:30,403 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 32 xjuncts. [2018-01-24 16:40:30,406 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,407 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,407 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,407 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,408 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,408 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,408 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,409 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,409 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,409 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,410 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,410 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,410 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,410 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,411 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,423 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 111 [2018-01-24 16:40:30,424 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:30,618 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:30,624 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:30,628 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:30,630 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:30,631 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:30,635 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:30,642 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 171 treesize of output 171 [2018-01-24 16:40:30,644 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 159 [2018-01-24 16:40:30,647 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 136 [2018-01-24 16:40:30,650 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,651 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,651 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,654 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 137 [2018-01-24 16:40:30,656 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,656 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,657 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,657 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,657 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,657 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,662 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 145 [2018-01-24 16:40:30,665 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,665 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,666 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,666 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,666 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,666 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,667 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,667 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,667 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,667 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,675 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 160 [2018-01-24 16:40:30,696 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,696 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,696 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,697 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,697 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,698 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,698 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,699 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,699 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,699 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,699 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,700 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,701 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,701 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,702 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,738 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 86 treesize of output 211 [2018-01-24 16:40:30,751 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 32 xjuncts. [2018-01-24 16:40:30,755 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,756 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,756 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,757 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,757 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,757 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,758 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,758 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,758 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,759 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,759 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,759 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,760 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,760 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,760 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,773 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 121 [2018-01-24 16:40:30,774 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:30,777 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,777 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,778 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,778 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,778 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,780 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,780 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,781 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,781 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,781 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,782 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,782 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,783 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,784 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,785 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:30,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 86 treesize of output 207 [2018-01-24 16:40:30,858 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 32 xjuncts. [2018-01-24 16:40:31,048 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:31,055 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:31,059 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:31,062 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:31,067 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:31,110 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 163 treesize of output 170 [2018-01-24 16:40:31,113 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,114 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 122 [2018-01-24 16:40:31,117 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,117 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,118 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,120 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 117 [2018-01-24 16:40:31,123 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,124 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,124 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,124 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,125 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,125 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,130 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 137 [2018-01-24 16:40:31,133 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,133 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,134 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,134 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,134 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,135 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,135 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,135 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,135 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,136 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 164 [2018-01-24 16:40:31,173 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,173 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,173 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,174 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,174 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,174 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,175 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,175 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,175 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,176 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,176 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,176 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,176 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,177 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,189 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 131 [2018-01-24 16:40:31,190 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:31,192 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,193 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,193 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,193 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,194 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,194 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,194 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,195 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,195 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,195 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,196 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,196 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,196 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,197 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,207 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 135 [2018-01-24 16:40:31,208 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:31,211 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-01-24 16:40:31,211 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:31,231 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:31,233 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:31,234 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:31,238 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:31,257 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,269 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 156 treesize of output 166 [2018-01-24 16:40:31,272 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,273 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,274 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,289 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 150 treesize of output 167 [2018-01-24 16:40:31,293 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,293 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,294 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,294 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,296 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,297 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,318 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 151 treesize of output 175 [2018-01-24 16:40:31,321 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,321 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,322 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,322 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,322 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,323 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,323 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,323 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,323 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,324 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 169 [2018-01-24 16:40:31,366 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,367 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,367 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,367 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,367 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,368 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 16:40:31,368 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,369 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,369 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,369 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,370 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,370 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,370 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,370 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,371 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,371 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,385 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 137 [2018-01-24 16:40:31,386 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:31,405 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:31,435 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,435 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,436 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,437 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,437 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,438 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,439 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,439 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,440 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,441 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 123 treesize of output 190 [2018-01-24 16:40:31,549 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,549 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,549 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,550 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,550 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,550 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,551 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,551 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,551 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,551 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,552 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,552 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,552 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,553 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,553 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,553 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,554 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 16:40:31,554 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 156 [2018-01-24 16:40:31,569 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:31,632 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,633 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,633 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,633 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,634 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,635 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,635 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,635 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,636 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,636 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,636 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,637 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,638 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,638 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,639 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,672 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 86 treesize of output 215 [2018-01-24 16:40:31,679 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 32 xjuncts. [2018-01-24 16:40:31,682 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,682 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,682 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,683 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,683 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,684 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,685 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,685 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,685 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,685 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,686 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,686 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,687 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,688 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,689 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:31,726 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 86 treesize of output 211 [2018-01-24 16:40:31,732 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 32 xjuncts. [2018-01-24 16:40:31,939 INFO L267 ElimStorePlain]: Start of recursive call 35: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:31,946 INFO L267 ElimStorePlain]: Start of recursive call 32: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:31,958 INFO L267 ElimStorePlain]: Start of recursive call 31: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:31,971 INFO L267 ElimStorePlain]: Start of recursive call 30: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:31,977 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:31,985 INFO L267 ElimStorePlain]: Start of recursive call 13: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,019 INFO L477 Elim1Store]: 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 115 treesize of output 111 [2018-01-24 16:40:32,022 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 93 [2018-01-24 16:40:32,024 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 94 [2018-01-24 16:40:32,028 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,028 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,029 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,032 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 102 [2018-01-24 16:40:32,034 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,035 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,035 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,035 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,036 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,036 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,041 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 117 [2018-01-24 16:40:32,045 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,045 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,046 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,046 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,046 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,046 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,047 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,047 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,047 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,048 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,057 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 139 [2018-01-24 16:40:32,078 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,079 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,079 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,079 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,080 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,081 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,081 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,082 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,082 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,083 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,083 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,084 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,084 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,084 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,086 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,120 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 72 treesize of output 201 [2018-01-24 16:40:32,127 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 32 xjuncts. [2018-01-24 16:40:32,132 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,133 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,141 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,142 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,142 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,144 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,145 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,145 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,146 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,159 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,159 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,160 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,160 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,160 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,162 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,200 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 72 treesize of output 197 [2018-01-24 16:40:32,207 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 32 xjuncts. [2018-01-24 16:40:32,209 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,210 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,210 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,210 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,211 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,211 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,211 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,212 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,212 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,212 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,212 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,213 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,213 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,213 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,214 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:32,226 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 111 [2018-01-24 16:40:32,226 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,409 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,415 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,419 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,422 INFO L267 ElimStorePlain]: Start of recursive call 41: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,423 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,428 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,430 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 70 [2018-01-24 16:40:32,433 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 54 treesize of output 47 [2018-01-24 16:40:32,433 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,439 INFO L267 ElimStorePlain]: Start of recursive call 48: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,458 INFO L267 ElimStorePlain]: Start of recursive call 1: 24 dim-0 vars, 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-01-24 16:40:32,458 INFO L202 ElimStorePlain]: Needed 49 recursive calls to eliminate 26 variables, input treesize:235, output treesize:83 [2018-01-24 16:40:32,696 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:32,716 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 16:40:32,717 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 15 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-01-24 16:40:32,720 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 16:40:32,720 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-24 16:40:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 16:40:32,806 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 16:40:32,809 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-24 16:40:32,809 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,820 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,820 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-24 16:40:32,842 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:32,843 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:32,844 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,845 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,851 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,851 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:32,854 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:32,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:32,856 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,857 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,863 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,863 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:32,867 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:32,868 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:32,868 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,870 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,876 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,876 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:32,879 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:32,881 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:32,881 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,882 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,889 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,889 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:32,893 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:32,894 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:32,895 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,896 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,902 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,902 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:32,906 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:32,908 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:32,908 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,909 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,915 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:32,916 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:32,918 INFO L477 Elim1Store]: 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 19 treesize of output 15 [2018-01-24 16:40:32,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-01-24 16:40:32,923 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-24 16:40:32,926 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:32,933 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-01-24 16:40:32,933 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:48 [2018-01-24 16:40:32,969 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:32,969 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 16:40:33,621 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 171 treesize of output 171 [2018-01-24 16:40:33,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 166 treesize of output 159 [2018-01-24 16:40:33,624 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:33,643 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 110 [2018-01-24 16:40:33,646 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,647 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 94 [2018-01-24 16:40:33,649 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,650 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,650 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 102 [2018-01-24 16:40:33,656 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,656 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,657 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,657 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,657 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,658 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,664 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 117 [2018-01-24 16:40:33,667 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,667 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,668 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,668 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,669 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,669 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,669 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,670 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,670 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,670 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,680 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 139 [2018-01-24 16:40:33,707 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,708 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,708 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,708 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,709 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,710 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,710 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,711 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,711 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,711 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,712 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,712 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,713 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,714 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,715 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,756 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 72 treesize of output 197 [2018-01-24 16:40:33,763 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 32 xjuncts. [2018-01-24 16:40:33,773 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,774 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,775 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,777 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,777 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,777 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,778 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,778 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,778 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,779 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,779 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,779 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,780 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,780 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,780 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,794 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 111 [2018-01-24 16:40:33,795 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:33,798 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,798 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,799 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,799 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,799 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,800 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,801 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,801 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,801 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,802 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,802 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,802 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,803 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,804 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,805 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:33,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 72 treesize of output 201 [2018-01-24 16:40:33,847 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 32 xjuncts. [2018-01-24 16:40:34,064 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:34,071 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:34,075 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:34,078 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:34,084 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:34,114 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 163 treesize of output 170 [2018-01-24 16:40:34,119 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,135 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 156 treesize of output 166 [2018-01-24 16:40:34,138 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,138 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,138 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 132 [2018-01-24 16:40:34,144 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,145 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,145 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,145 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,146 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,146 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,152 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 137 [2018-01-24 16:40:34,157 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,157 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,157 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,158 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,158 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,158 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,159 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,159 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,160 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,160 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,169 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 164 [2018-01-24 16:40:34,213 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,214 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,214 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,214 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,215 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,215 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,215 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,216 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,216 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,216 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,217 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,217 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,217 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,217 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,218 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,218 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,218 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,219 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,219 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,220 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 16:40:34,234 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 180 [2018-01-24 16:40:34,234 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:34,236 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:34,238 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:34,244 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:34,265 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,267 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,268 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,283 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 145 treesize of output 167 [2018-01-24 16:40:34,286 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,287 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,287 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,287 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,288 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,288 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,293 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 147 [2018-01-24 16:40:34,296 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,296 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,297 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,297 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,297 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,297 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,298 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,298 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,298 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,299 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,307 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 164 [2018-01-24 16:40:34,344 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,344 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,344 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,345 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,345 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,345 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,346 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,346 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,346 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,347 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 16:40:34,347 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,347 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,348 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,348 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,348 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,349 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,349 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 147 [2018-01-24 16:40:34,364 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:34,366 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:34,375 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:34,399 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,400 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,401 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,401 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,402 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,403 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,423 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 134 treesize of output 175 [2018-01-24 16:40:34,427 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,427 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,427 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,429 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,429 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,429 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,430 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,431 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,432 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,433 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,459 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 159 treesize of output 190 [2018-01-24 16:40:34,541 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,541 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,542 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,542 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,542 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,543 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,543 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,543 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,543 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,544 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,544 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,544 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,545 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,545 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,545 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,546 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,546 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 16:40:34,547 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 156 [2018-01-24 16:40:34,561 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:34,626 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,626 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,627 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,627 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,627 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,628 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,629 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,629 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,629 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,630 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,630 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,630 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,631 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,632 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,633 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,669 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 86 treesize of output 215 [2018-01-24 16:40:34,675 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 32 xjuncts. [2018-01-24 16:40:34,678 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,679 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,679 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,679 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,680 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,681 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,681 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,682 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,682 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,682 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,683 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,683 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,684 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,685 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,686 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,721 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 86 treesize of output 211 [2018-01-24 16:40:34,728 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 32 xjuncts. [2018-01-24 16:40:34,938 INFO L267 ElimStorePlain]: Start of recursive call 23: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:34,950 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:34,957 INFO L267 ElimStorePlain]: Start of recursive call 18: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:34,963 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:34,974 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:34,982 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:34,984 INFO L477 Elim1Store]: 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 117 treesize of output 113 [2018-01-24 16:40:34,986 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 93 [2018-01-24 16:40:34,989 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,990 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 94 [2018-01-24 16:40:34,995 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,996 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:34,996 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,001 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 102 [2018-01-24 16:40:35,006 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,007 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,007 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,007 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,008 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,008 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 117 [2018-01-24 16:40:35,016 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,016 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,017 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,017 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,017 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,018 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,018 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,018 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,018 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,019 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,027 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 139 [2018-01-24 16:40:35,047 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,048 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,048 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,048 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,049 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,049 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,049 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,049 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,050 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,051 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,051 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,052 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,053 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,053 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,054 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,088 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 72 treesize of output 197 [2018-01-24 16:40:35,093 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 32 xjuncts. [2018-01-24 16:40:35,096 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,097 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,097 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,097 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,098 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,098 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,098 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,098 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,099 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,099 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,099 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,100 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,100 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,100 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,100 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,112 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 111 [2018-01-24 16:40:35,113 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,116 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,116 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,116 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,117 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,117 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,117 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,117 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,118 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,118 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,119 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,120 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,120 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,121 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,121 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,122 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,157 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 72 treesize of output 201 [2018-01-24 16:40:35,163 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 32 xjuncts. [2018-01-24 16:40:35,339 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,345 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,349 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,352 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,353 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,358 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,360 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 72 [2018-01-24 16:40:35,362 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 58 [2018-01-24 16:40:35,364 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 66 [2018-01-24 16:40:35,367 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,368 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,368 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,373 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 81 [2018-01-24 16:40:35,375 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,375 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,376 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,376 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,376 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,377 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,381 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 103 [2018-01-24 16:40:35,384 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,385 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,385 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,385 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,386 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,386 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,386 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,386 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,387 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,387 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,395 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 132 [2018-01-24 16:40:35,407 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,407 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,407 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,408 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,408 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,408 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,409 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,409 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,409 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,409 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,410 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,410 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,410 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,411 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,411 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,422 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 106 [2018-01-24 16:40:35,423 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,424 INFO L267 ElimStorePlain]: Start of recursive call 41: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,426 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,427 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,428 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,429 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,435 INFO L267 ElimStorePlain]: Start of recursive call 36: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,470 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 70 [2018-01-24 16:40:35,472 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 58 [2018-01-24 16:40:35,474 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,475 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 66 [2018-01-24 16:40:35,477 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,478 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,478 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,481 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 81 [2018-01-24 16:40:35,483 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,484 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,484 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,484 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,484 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,485 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 103 [2018-01-24 16:40:35,492 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,493 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,493 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,493 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,494 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,494 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,494 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,494 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,495 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,495 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,503 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 132 [2018-01-24 16:40:35,514 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,515 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,515 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,515 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,516 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,516 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,516 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,517 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,517 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,517 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,518 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,518 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,518 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,518 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,519 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,530 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 106 [2018-01-24 16:40:35,531 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,532 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,534 INFO L267 ElimStorePlain]: Start of recursive call 47: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,535 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,536 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,537 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,543 INFO L267 ElimStorePlain]: Start of recursive call 43: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,545 INFO L477 Elim1Store]: 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 115 treesize of output 111 [2018-01-24 16:40:35,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 93 [2018-01-24 16:40:35,550 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,551 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 94 [2018-01-24 16:40:35,554 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,554 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,554 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 102 [2018-01-24 16:40:35,559 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,560 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,560 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,560 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,560 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,561 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,566 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 117 [2018-01-24 16:40:35,569 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,569 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,570 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,570 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,570 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,570 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,571 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,571 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,571 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,572 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,580 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 139 [2018-01-24 16:40:35,599 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,600 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,600 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,600 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,600 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,601 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,601 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,601 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,602 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,602 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,602 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,602 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,603 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,603 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,603 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,615 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 111 [2018-01-24 16:40:35,616 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,618 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,619 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,619 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,619 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,620 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,621 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,621 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,621 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,622 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,623 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,623 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,623 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,623 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,624 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,625 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,658 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 72 treesize of output 201 [2018-01-24 16:40:35,664 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 32 xjuncts. [2018-01-24 16:40:35,667 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,667 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,667 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,668 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,668 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,669 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,670 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,670 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,670 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,672 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,672 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,672 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,672 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,673 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,674 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:35,710 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 72 treesize of output 197 [2018-01-24 16:40:35,716 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 32 xjuncts. [2018-01-24 16:40:35,911 INFO L267 ElimStorePlain]: Start of recursive call 55: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,917 INFO L267 ElimStorePlain]: Start of recursive call 54: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,921 INFO L267 ElimStorePlain]: Start of recursive call 53: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,923 INFO L267 ElimStorePlain]: Start of recursive call 52: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,924 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,929 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:35,947 INFO L267 ElimStorePlain]: Start of recursive call 1: 24 dim-0 vars, 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-01-24 16:40:35,947 INFO L202 ElimStorePlain]: Needed 58 recursive calls to eliminate 26 variables, input treesize:235, output treesize:83 [2018-01-24 16:40:35,997 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:35,999 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-01-24 16:40:35,999 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 21, 14, 21] total 45 [2018-01-24 16:40:35,999 INFO L247 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-01-24 16:40:36,000 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-01-24 16:40:36,000 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-01-24 16:40:36,000 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=289, Invalid=1781, Unknown=0, NotChecked=0, Total=2070 [2018-01-24 16:40:36,000 INFO L87 Difference]: Start difference. First operand 76 states and 76 transitions. Second operand 26 states. [2018-01-24 16:40:36,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 16:40:36,775 INFO L93 Difference]: Finished difference Result 88 states and 88 transitions. [2018-01-24 16:40:36,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-01-24 16:40:36,775 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 68 [2018-01-24 16:40:36,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 16:40:36,776 INFO L225 Difference]: With dead ends: 88 [2018-01-24 16:40:36,776 INFO L226 Difference]: Without dead ends: 85 [2018-01-24 16:40:36,777 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 215 SyntacticMatches, 27 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1588 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=692, Invalid=3214, Unknown=0, NotChecked=0, Total=3906 [2018-01-24 16:40:36,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-01-24 16:40:36,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 84. [2018-01-24 16:40:36,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-01-24 16:40:36,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 84 transitions. [2018-01-24 16:40:36,783 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 84 transitions. Word has length 68 [2018-01-24 16:40:36,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 16:40:36,783 INFO L432 AbstractCegarLoop]: Abstraction has 84 states and 84 transitions. [2018-01-24 16:40:36,784 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-01-24 16:40:36,784 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 84 transitions. [2018-01-24 16:40:36,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-01-24 16:40:36,785 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 16:40:36,785 INFO L322 BasicCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 16:40:36,785 INFO L371 AbstractCegarLoop]: === Iteration 14 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-24 16:40:36,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1910460594, now seen corresponding path program 8 times [2018-01-24 16:40:36,786 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 16:40:36,786 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:36,786 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 16:40:36,787 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:36,787 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 16:40:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 16:40:36,808 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 16:40:37,394 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:37,394 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 16:40:37,394 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-24 16:40:37,394 INFO L183 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-01-24 16:40:37,395 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-01-24 16:40:37,395 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 16:40:37,395 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-24 16:40:37,400 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-24 16:40:37,400 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-01-24 16:40:37,409 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-24 16:40:37,425 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-24 16:40:37,431 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-24 16:40:37,435 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 16:40:37,437 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-24 16:40:37,437 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:37,440 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:37,440 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-24 16:40:37,450 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:37,452 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:37,452 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:37,454 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:37,460 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:37,461 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:37,481 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:37,482 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:37,482 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:37,483 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:37,489 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:37,490 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:37,511 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:37,512 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:37,513 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:37,514 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:37,520 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:37,520 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:37,542 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:37,544 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:37,544 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:37,546 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:37,553 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:37,553 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:37,575 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:37,576 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:37,577 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:37,580 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:37,588 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:37,588 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:37,610 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:37,612 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:37,612 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:37,613 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:37,619 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:37,620 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:37,643 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:37,645 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:37,645 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:37,646 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:37,652 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:37,653 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:37,700 INFO L477 Elim1Store]: 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 19 treesize of output 15 [2018-01-24 16:40:37,705 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-01-24 16:40:37,705 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-24 16:40:37,708 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:37,714 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-01-24 16:40:37,715 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:48 [2018-01-24 16:40:37,812 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:37,812 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 16:40:41,621 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 79 [2018-01-24 16:40:41,623 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 65 [2018-01-24 16:40:41,625 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 73 [2018-01-24 16:40:41,628 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,628 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,629 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,631 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 88 [2018-01-24 16:40:41,634 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,634 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,634 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,635 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,635 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,635 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,640 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 110 [2018-01-24 16:40:41,643 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,643 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,644 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,644 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,644 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,644 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,645 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,645 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,645 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,645 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 139 [2018-01-24 16:40:41,656 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,657 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,657 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,657 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,657 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,658 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,658 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,658 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,659 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,659 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,659 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,659 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,660 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,660 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,660 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,672 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 175 [2018-01-24 16:40:41,687 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,687 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,687 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,688 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,688 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,688 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,689 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,689 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,689 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,689 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,690 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,690 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,690 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,691 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,691 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,691 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,691 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,692 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,692 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,692 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,693 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,709 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 22 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 146 [2018-01-24 16:40:41,710 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:41,711 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:41,712 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:41,713 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:41,714 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:41,715 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:41,716 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:41,723 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:41,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 192 treesize of output 192 [2018-01-24 16:40:41,732 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 180 [2018-01-24 16:40:41,735 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,736 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 157 [2018-01-24 16:40:41,739 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,739 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,740 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,743 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 158 [2018-01-24 16:40:41,746 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,746 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,747 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,747 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,747 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,748 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,753 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2018-01-24 16:40:41,756 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,757 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,757 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,757 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,758 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,758 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,758 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,759 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,759 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,759 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,768 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 181 [2018-01-24 16:40:41,771 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,772 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,772 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,772 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,773 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,773 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,773 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,774 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,774 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,774 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,775 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,775 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,775 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,776 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,776 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,789 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 203 [2018-01-24 16:40:41,814 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,814 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,814 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,815 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,815 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,815 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,816 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,817 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,817 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,817 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,818 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,819 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,819 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,819 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,820 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,821 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,821 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,821 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,822 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,823 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,824 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,866 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 96 treesize of output 268 [2018-01-24 16:40:41,867 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-01-24 16:40:41,885 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 64 xjuncts. [2018-01-24 16:40:41,888 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,889 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,889 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,889 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,890 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,890 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,890 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,890 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,891 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,891 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,891 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,892 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,892 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,892 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,892 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,893 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,893 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,893 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,894 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,894 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,894 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,911 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 161 [2018-01-24 16:40:41,912 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:41,916 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,916 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,916 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,916 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,917 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,917 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,918 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,919 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,919 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,919 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,919 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,921 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,921 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,921 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,922 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,923 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,923 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,924 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,925 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,925 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,926 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:41,970 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 96 treesize of output 264 [2018-01-24 16:40:41,970 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-01-24 16:40:41,985 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 64 xjuncts. [2018-01-24 16:40:42,456 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:42,465 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:42,472 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:42,476 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:42,479 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:42,484 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:42,529 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 191 [2018-01-24 16:40:42,533 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,546 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 177 treesize of output 187 [2018-01-24 16:40:42,549 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,550 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,552 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 171 treesize of output 188 [2018-01-24 16:40:42,571 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,572 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,572 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,572 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,573 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,573 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,578 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 161 [2018-01-24 16:40:42,581 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,581 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,582 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,582 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,582 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,583 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,583 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,583 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,583 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,584 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,592 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 178 [2018-01-24 16:40:42,595 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,596 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,596 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,596 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,597 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,597 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,597 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,598 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,598 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,598 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,598 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,599 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,599 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,599 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,600 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,612 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 212 [2018-01-24 16:40:42,659 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,659 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,660 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,660 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,660 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,661 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 16:40:42,661 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,661 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,662 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,662 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,662 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,663 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,663 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,663 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,663 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,664 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,664 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,664 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,665 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,665 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,665 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,666 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 23 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 182 [2018-01-24 16:40:42,688 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:42,690 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:42,692 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:42,701 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:42,727 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,728 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,729 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,729 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,730 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,732 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,752 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 155 treesize of output 196 [2018-01-24 16:40:42,756 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,756 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,756 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,757 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,758 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,758 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,759 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,759 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,761 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,762 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,788 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 180 treesize of output 211 [2018-01-24 16:40:42,792 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,793 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,793 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,793 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,794 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,795 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,795 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,795 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,796 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,797 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,797 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,798 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,799 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,800 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,801 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,835 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 195 treesize of output 233 [2018-01-24 16:40:42,937 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,937 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,937 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,938 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,938 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,938 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,939 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,939 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,940 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,940 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,940 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,941 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,942 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,942 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,942 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,944 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,944 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,944 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,945 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,945 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,946 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:42,990 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 96 treesize of output 272 [2018-01-24 16:40:42,990 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-01-24 16:40:43,005 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 64 xjuncts. [2018-01-24 16:40:43,008 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,009 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,009 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,010 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,010 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,010 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,011 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,012 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,012 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,012 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,013 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,014 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,014 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,014 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,015 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,016 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,016 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,016 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,018 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,018 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,018 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,069 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 96 treesize of output 268 [2018-01-24 16:40:43,069 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-01-24 16:40:43,084 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 64 xjuncts. [2018-01-24 16:40:43,610 INFO L267 ElimStorePlain]: Start of recursive call 29: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:43,622 INFO L267 ElimStorePlain]: Start of recursive call 28: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:43,634 INFO L267 ElimStorePlain]: Start of recursive call 27: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:43,641 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:43,652 INFO L267 ElimStorePlain]: Start of recursive call 21: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:43,664 INFO L267 ElimStorePlain]: Start of recursive call 20: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:43,671 INFO L267 ElimStorePlain]: Start of recursive call 10: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:43,674 INFO L477 Elim1Store]: 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 131 treesize of output 127 [2018-01-24 16:40:43,676 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 107 [2018-01-24 16:40:43,678 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 108 [2018-01-24 16:40:43,681 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,681 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,682 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,685 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 116 [2018-01-24 16:40:43,687 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,687 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,688 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,688 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,688 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,689 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,694 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 131 [2018-01-24 16:40:43,697 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,697 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,697 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,698 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,698 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,698 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,699 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,699 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,699 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,699 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,708 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 153 [2018-01-24 16:40:43,711 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,712 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,712 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,712 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,712 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,713 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,713 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,713 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,714 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,714 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,714 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,714 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,715 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,715 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,715 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,728 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 182 [2018-01-24 16:40:43,752 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,752 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,752 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,753 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,753 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,753 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,753 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,754 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,754 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,754 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,755 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,755 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,755 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,756 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,756 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,756 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,756 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,757 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,757 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,757 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,758 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,775 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 22 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 151 [2018-01-24 16:40:43,775 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:43,778 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,779 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,779 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,779 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,780 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,780 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,781 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,782 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,782 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,782 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,782 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,784 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,784 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,784 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,785 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,786 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,786 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,787 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,788 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,788 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,789 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,833 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 254 [2018-01-24 16:40:43,834 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-01-24 16:40:43,848 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 64 xjuncts. [2018-01-24 16:40:43,852 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,852 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,852 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,853 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,853 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,853 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,855 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,855 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,855 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,856 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,856 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,857 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,858 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,858 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,858 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,859 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,860 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,860 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,861 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,861 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,862 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:43,905 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 258 [2018-01-24 16:40:43,905 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-01-24 16:40:43,920 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 64 xjuncts. [2018-01-24 16:40:44,396 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:44,406 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:44,413 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:44,417 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:44,419 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:44,421 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:44,425 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:44,463 INFO L477 Elim1Store]: 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 129 treesize of output 125 [2018-01-24 16:40:44,465 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 107 [2018-01-24 16:40:44,469 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,471 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 108 [2018-01-24 16:40:44,474 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,474 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,475 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 116 [2018-01-24 16:40:44,481 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,482 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,482 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,482 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,483 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,483 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 131 [2018-01-24 16:40:44,493 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,493 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,494 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,494 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,494 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,494 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,495 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,495 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,495 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,496 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,504 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 153 [2018-01-24 16:40:44,508 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,508 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,508 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,509 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,509 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,509 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,510 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,510 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,510 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,510 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,511 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,511 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,511 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,512 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,512 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,526 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 182 [2018-01-24 16:40:44,549 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,550 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,550 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,550 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,551 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,551 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,551 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,552 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,552 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,552 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,553 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,553 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,553 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,553 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,554 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,554 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,554 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,555 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,555 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,555 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,555 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,574 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 22 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 151 [2018-01-24 16:40:44,574 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:44,577 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,578 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,578 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,578 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,578 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,579 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,580 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,580 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,581 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,581 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,581 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,582 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,583 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,583 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,583 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,585 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,585 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,585 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,586 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,587 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,587 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,631 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 254 [2018-01-24 16:40:44,631 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-01-24 16:40:44,645 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 64 xjuncts. [2018-01-24 16:40:44,649 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,649 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,650 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,650 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,650 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,651 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,652 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,652 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,652 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,653 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,653 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,654 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,655 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,655 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,655 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,656 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,657 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,657 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,658 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,659 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,659 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:44,703 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 258 [2018-01-24 16:40:44,704 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-01-24 16:40:44,718 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 64 xjuncts. [2018-01-24 16:40:45,175 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,184 INFO L267 ElimStorePlain]: Start of recursive call 47: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,191 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,194 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,197 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,198 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,203 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,205 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 77 [2018-01-24 16:40:45,207 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 65 [2018-01-24 16:40:45,210 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,211 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 73 [2018-01-24 16:40:45,219 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,220 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,220 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,234 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 88 [2018-01-24 16:40:45,236 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,237 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,237 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,237 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,238 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,238 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,243 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 110 [2018-01-24 16:40:45,245 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,246 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,246 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,246 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,246 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,247 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,247 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,247 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,248 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,248 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,256 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 139 [2018-01-24 16:40:45,259 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,259 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,259 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,259 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,260 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,260 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,260 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,261 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,261 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,261 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,261 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,262 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,262 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,262 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,263 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 175 [2018-01-24 16:40:45,288 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,289 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,289 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,289 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,290 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,290 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,290 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,290 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,291 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,291 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,291 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,292 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,292 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,292 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,293 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,293 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,293 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,293 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,294 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,294 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,294 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:45,311 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 22 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 146 [2018-01-24 16:40:45,311 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,312 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,314 INFO L267 ElimStorePlain]: Start of recursive call 57: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,315 INFO L267 ElimStorePlain]: Start of recursive call 56: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,315 INFO L267 ElimStorePlain]: Start of recursive call 55: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,316 INFO L267 ElimStorePlain]: Start of recursive call 54: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,317 INFO L267 ElimStorePlain]: Start of recursive call 53: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,323 INFO L267 ElimStorePlain]: Start of recursive call 52: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,342 INFO L267 ElimStorePlain]: Start of recursive call 1: 28 dim-0 vars, 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-01-24 16:40:45,342 INFO L202 ElimStorePlain]: Needed 59 recursive calls to eliminate 30 variables, input treesize:263, output treesize:83 [2018-01-24 16:40:45,564 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:45,584 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 16:40:45,585 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 17 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-01-24 16:40:45,588 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-24 16:40:45,588 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-01-24 16:40:45,600 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-24 16:40:45,633 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-24 16:40:45,689 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-24 16:40:45,697 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 16:40:45,700 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-24 16:40:45,700 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,703 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,703 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-24 16:40:45,720 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:45,721 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:45,721 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,723 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,729 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,729 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:45,733 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:45,734 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:45,734 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,736 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,742 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,742 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:45,745 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:45,747 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:45,747 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,748 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,757 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,757 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:45,765 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:45,766 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:45,766 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,768 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,773 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,774 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:45,777 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:45,778 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:45,778 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,780 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,786 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,786 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:45,789 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:45,791 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:45,791 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,792 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,798 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,798 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:45,802 INFO L477 Elim1Store]: 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 13 treesize of output 10 [2018-01-24 16:40:45,803 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 16:40:45,803 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,804 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,810 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:45,810 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-24 16:40:45,813 INFO L477 Elim1Store]: 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 19 treesize of output 15 [2018-01-24 16:40:45,831 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-01-24 16:40:45,831 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-24 16:40:45,834 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:45,841 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-01-24 16:40:45,841 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:48 [2018-01-24 16:40:45,882 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:45,882 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 16:40:51,728 INFO L477 Elim1Store]: 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 131 treesize of output 127 [2018-01-24 16:40:51,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 107 [2018-01-24 16:40:51,733 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,734 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 108 [2018-01-24 16:40:51,736 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,737 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,737 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,740 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 116 [2018-01-24 16:40:51,742 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,743 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,743 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,743 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,744 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,744 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,749 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 131 [2018-01-24 16:40:51,752 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,752 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,753 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,753 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,753 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,754 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,754 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,754 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,754 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,755 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 153 [2018-01-24 16:40:51,767 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,767 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,767 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,768 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,768 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,768 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,769 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,769 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,769 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,769 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,770 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,770 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,770 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,771 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,771 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,784 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 182 [2018-01-24 16:40:51,807 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,808 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,808 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,808 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,809 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,809 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,810 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,811 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,811 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,811 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,811 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,813 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,813 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,813 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,814 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,815 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,815 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,816 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,817 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,817 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,817 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,862 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 254 [2018-01-24 16:40:51,863 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-01-24 16:40:51,877 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 64 xjuncts. [2018-01-24 16:40:51,880 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,881 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,881 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,881 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,881 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,882 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,882 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,882 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,883 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,883 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,883 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,883 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,884 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,884 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,884 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,885 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,885 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,885 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,886 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,886 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,886 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 22 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 151 [2018-01-24 16:40:51,904 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:51,909 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,910 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,911 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,911 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,912 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,913 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,915 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,915 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,916 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,917 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,917 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,919 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,919 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,919 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,920 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,921 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,921 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,921 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,923 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,923 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,923 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:51,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 258 [2018-01-24 16:40:51,967 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-01-24 16:40:51,981 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 64 xjuncts. [2018-01-24 16:40:52,443 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:52,453 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:52,459 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:52,462 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:52,465 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:52,466 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:52,471 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:52,473 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 79 [2018-01-24 16:40:52,475 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 65 [2018-01-24 16:40:52,477 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 73 [2018-01-24 16:40:52,480 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,481 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,481 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,484 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 88 [2018-01-24 16:40:52,486 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,486 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,487 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,487 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,487 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,487 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,492 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 110 [2018-01-24 16:40:52,495 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,495 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,495 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,496 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,496 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,496 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,497 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,497 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,497 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,497 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,505 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 139 [2018-01-24 16:40:52,508 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,508 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,509 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,509 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,509 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,510 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,510 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,510 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,510 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,511 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,511 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,511 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,512 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,512 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,512 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 175 [2018-01-24 16:40:52,539 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,539 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,539 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,540 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,540 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,540 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,540 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,541 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,541 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,541 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,542 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,542 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,542 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,542 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,543 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,543 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,543 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,544 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,544 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,544 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,545 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 22 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 146 [2018-01-24 16:40:52,561 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:52,563 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:52,564 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:52,565 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:52,566 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:52,567 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:52,567 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:52,574 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:52,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 192 treesize of output 192 [2018-01-24 16:40:52,584 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 180 [2018-01-24 16:40:52,586 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,587 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 157 [2018-01-24 16:40:52,589 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,590 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,590 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,593 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 158 [2018-01-24 16:40:52,595 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,595 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,596 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,596 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,596 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,597 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,602 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2018-01-24 16:40:52,605 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,605 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,605 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,605 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,606 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,606 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,606 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,607 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,607 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,607 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,616 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 181 [2018-01-24 16:40:52,619 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,619 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,619 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,620 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,620 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,620 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,620 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,621 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,621 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,621 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,622 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,622 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,622 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,622 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,623 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,635 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 203 [2018-01-24 16:40:52,659 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,659 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,660 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,660 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,660 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,661 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,661 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,661 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,662 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,662 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,662 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,662 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,663 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,663 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,663 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,664 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,664 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,664 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,664 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,665 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,665 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,683 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 161 [2018-01-24 16:40:52,684 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:52,686 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,687 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,687 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,687 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,688 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,688 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,689 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,690 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,690 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,690 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,690 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,692 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,692 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,692 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,693 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,694 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,694 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,694 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,696 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,696 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,696 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,741 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 96 treesize of output 264 [2018-01-24 16:40:52,742 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-01-24 16:40:52,756 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 64 xjuncts. [2018-01-24 16:40:52,759 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,760 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,760 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,760 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,761 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,761 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,762 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,762 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,763 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,763 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,763 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,764 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,765 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,765 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,765 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,766 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,767 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,767 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,768 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,768 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,769 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:52,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 96 treesize of output 268 [2018-01-24 16:40:52,814 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-01-24 16:40:52,828 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 64 xjuncts. [2018-01-24 16:40:53,281 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:53,295 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:53,302 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:53,306 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:53,308 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:53,313 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:53,360 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 191 [2018-01-24 16:40:53,363 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 136 [2018-01-24 16:40:53,366 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,367 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,367 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,369 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 131 [2018-01-24 16:40:53,372 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,372 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,373 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,373 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,373 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,374 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,379 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 151 [2018-01-24 16:40:53,381 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,382 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,382 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,382 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,383 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,383 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,383 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,383 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,384 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,384 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,392 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 178 [2018-01-24 16:40:53,395 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,395 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,396 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,396 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,396 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,397 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,397 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,397 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,398 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,398 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,398 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,398 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,399 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,399 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,399 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,411 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 212 [2018-01-24 16:40:53,444 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,444 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,445 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,445 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,445 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,445 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,446 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,446 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,446 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,447 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,447 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,447 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,447 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,448 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,448 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,448 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,449 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,449 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,449 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,449 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,465 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 22 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 180 [2018-01-24 16:40:53,466 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:53,469 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,469 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,470 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,470 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,470 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,470 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,471 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,471 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,471 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,472 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,472 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,472 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,472 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,473 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,473 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,473 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,474 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,474 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,474 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,475 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,491 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 176 [2018-01-24 16:40:53,492 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:53,495 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-01-24 16:40:53,495 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:53,517 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:53,519 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:53,520 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:53,521 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:53,525 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:53,545 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 177 treesize of output 187 [2018-01-24 16:40:53,565 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,566 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,568 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,587 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 171 treesize of output 188 [2018-01-24 16:40:53,591 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,591 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,591 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,592 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,592 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,592 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,599 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 161 [2018-01-24 16:40:53,602 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,602 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,602 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,610 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,611 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,611 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,612 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,612 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,613 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,613 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 178 [2018-01-24 16:40:53,628 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,628 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,628 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,629 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,629 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,629 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,630 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,630 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,630 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,631 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,631 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,631 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,632 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,632 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,632 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 212 [2018-01-24 16:40:53,702 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,702 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,703 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,703 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,703 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,704 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,704 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,705 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,705 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,705 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,706 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,706 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 16:40:53,707 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,707 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,707 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,708 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,708 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,709 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,709 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,709 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,710 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,710 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,710 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 23 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 192 [2018-01-24 16:40:53,731 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:53,732 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:53,734 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:53,742 INFO L267 ElimStorePlain]: Start of recursive call 41: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:53,767 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,768 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,769 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,769 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,770 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,771 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,792 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 155 treesize of output 196 [2018-01-24 16:40:53,796 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,796 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,796 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,797 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,797 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,797 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,798 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,798 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,798 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,798 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,806 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 183 [2018-01-24 16:40:53,810 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,810 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,810 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,811 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,811 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,811 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,811 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,812 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,812 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,812 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,813 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,813 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,813 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,814 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,814 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,826 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 212 [2018-01-24 16:40:53,872 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,873 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,873 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,873 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,874 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,874 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,875 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 16:40:53,875 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,875 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,875 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,876 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,876 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,876 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,877 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,877 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,877 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,878 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,878 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,878 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,878 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,879 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,879 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 23 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 182 [2018-01-24 16:40:53,900 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:53,902 INFO L267 ElimStorePlain]: Start of recursive call 47: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:53,914 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:53,945 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,945 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,946 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,947 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,947 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,948 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,949 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,949 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,950 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,951 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,976 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 144 treesize of output 211 [2018-01-24 16:40:53,980 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,980 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,981 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,981 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,981 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,982 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,982 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,982 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,982 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,983 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,983 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,983 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,983 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,984 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,984 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:53,996 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 178 treesize of output 212 [2018-01-24 16:40:54,036 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,036 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,037 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,037 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,037 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,038 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,038 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,038 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,038 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,039 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,039 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,039 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,040 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,040 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,040 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,040 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,041 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,042 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 16:40:54,042 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,042 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,042 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,043 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,043 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,043 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,064 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 23 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 202 [2018-01-24 16:40:54,064 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:54,091 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:54,130 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,131 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,131 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,131 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,132 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,133 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,133 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,133 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,134 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,135 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,135 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,136 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,136 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,137 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,138 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,172 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 133 treesize of output 233 [2018-01-24 16:40:54,262 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,262 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,262 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,263 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,263 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,263 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,265 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,265 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,265 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,265 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,266 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,267 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,267 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,267 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,268 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,269 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,269 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,269 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,270 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,271 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,272 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,316 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 96 treesize of output 272 [2018-01-24 16:40:54,316 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-01-24 16:40:54,331 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 64 xjuncts. [2018-01-24 16:40:54,334 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,335 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,335 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,335 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,335 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,336 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,337 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,337 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,337 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,338 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,338 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,339 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,339 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,340 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,340 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,341 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,342 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,342 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,343 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,343 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,345 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:54,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 96 treesize of output 268 [2018-01-24 16:40:54,390 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-01-24 16:40:54,405 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 64 xjuncts. [2018-01-24 16:40:54,926 INFO L267 ElimStorePlain]: Start of recursive call 52: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:54,933 INFO L267 ElimStorePlain]: Start of recursive call 49: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:54,940 INFO L267 ElimStorePlain]: Start of recursive call 45: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:54,947 INFO L267 ElimStorePlain]: Start of recursive call 40: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:54,959 INFO L267 ElimStorePlain]: Start of recursive call 39: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:54,966 INFO L267 ElimStorePlain]: Start of recursive call 30: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:54,974 INFO L267 ElimStorePlain]: Start of recursive call 20: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:55,010 INFO L477 Elim1Store]: 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 129 treesize of output 125 [2018-01-24 16:40:55,012 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 107 [2018-01-24 16:40:55,014 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 108 [2018-01-24 16:40:55,018 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,018 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,018 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,021 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 116 [2018-01-24 16:40:55,024 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,024 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,024 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,025 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,025 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,025 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,031 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 131 [2018-01-24 16:40:55,033 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,033 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,034 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,034 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,034 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,035 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,035 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,035 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,035 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,036 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,044 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 153 [2018-01-24 16:40:55,048 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,048 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,048 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,048 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,049 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,049 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,049 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,050 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,050 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,050 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,050 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,051 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,051 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,051 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,052 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,064 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 182 [2018-01-24 16:40:55,086 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,086 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,086 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,087 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,087 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,087 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,088 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,088 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,088 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,089 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,089 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,089 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,089 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,090 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,090 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,090 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,091 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,091 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,091 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,091 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,092 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,109 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 22 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 151 [2018-01-24 16:40:55,110 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:55,113 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,113 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,113 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,114 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,114 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,114 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,116 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,116 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,116 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,117 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,117 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,118 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,118 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,119 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,119 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,120 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,120 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,121 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,122 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,122 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,122 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 254 [2018-01-24 16:40:55,168 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-01-24 16:40:55,182 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 64 xjuncts. [2018-01-24 16:40:55,185 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,185 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,186 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,186 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,186 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,186 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,188 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,188 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,188 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,188 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,189 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,190 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,190 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,190 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,191 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,192 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,192 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,192 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,193 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,194 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,194 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,237 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 258 [2018-01-24 16:40:55,238 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-01-24 16:40:55,252 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 64 xjuncts. [2018-01-24 16:40:55,717 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:55,727 INFO L267 ElimStorePlain]: Start of recursive call 60: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:55,733 INFO L267 ElimStorePlain]: Start of recursive call 59: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:55,737 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:55,739 INFO L267 ElimStorePlain]: Start of recursive call 57: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:55,741 INFO L267 ElimStorePlain]: Start of recursive call 56: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:55,745 INFO L267 ElimStorePlain]: Start of recursive call 55: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:55,748 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 77 [2018-01-24 16:40:55,750 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 65 [2018-01-24 16:40:55,752 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,753 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 73 [2018-01-24 16:40:55,755 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,756 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,756 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,758 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 88 [2018-01-24 16:40:55,761 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,761 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,762 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,762 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,765 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,766 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 110 [2018-01-24 16:40:55,774 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,775 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,775 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,775 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,776 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,776 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,776 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,777 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,777 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,777 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,785 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 139 [2018-01-24 16:40:55,788 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,789 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,789 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,789 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,790 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,790 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,790 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,791 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,791 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,791 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,791 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,792 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,792 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,792 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,792 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,805 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 175 [2018-01-24 16:40:55,819 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,820 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,820 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,820 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,821 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,821 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,821 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,821 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,822 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,822 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,822 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,823 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,830 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,831 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,831 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,833 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,833 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,834 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,834 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,834 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,835 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 16:40:55,853 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 22 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 146 [2018-01-24 16:40:55,854 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:55,855 INFO L267 ElimStorePlain]: Start of recursive call 71: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:55,856 INFO L267 ElimStorePlain]: Start of recursive call 70: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:55,857 INFO L267 ElimStorePlain]: Start of recursive call 69: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:55,858 INFO L267 ElimStorePlain]: Start of recursive call 68: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:55,859 INFO L267 ElimStorePlain]: Start of recursive call 67: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:55,860 INFO L267 ElimStorePlain]: Start of recursive call 66: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:55,866 INFO L267 ElimStorePlain]: Start of recursive call 65: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:55,884 INFO L267 ElimStorePlain]: Start of recursive call 1: 28 dim-0 vars, 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-01-24 16:40:55,884 INFO L202 ElimStorePlain]: Needed 72 recursive calls to eliminate 30 variables, input treesize:263, output treesize:83 [2018-01-24 16:40:56,101 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:56,103 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-01-24 16:40:56,103 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 22, 15, 23] total 51 [2018-01-24 16:40:56,103 INFO L247 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-01-24 16:40:56,103 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-01-24 16:40:56,104 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-01-24 16:40:56,104 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=2216, Unknown=1, NotChecked=0, Total=2652 [2018-01-24 16:40:56,104 INFO L87 Difference]: Start difference. First operand 84 states and 84 transitions. Second operand 28 states. [2018-01-24 16:40:56,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 16:40:56,789 INFO L93 Difference]: Finished difference Result 96 states and 96 transitions. [2018-01-24 16:40:56,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-01-24 16:40:56,789 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 76 [2018-01-24 16:40:56,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 16:40:56,790 INFO L225 Difference]: With dead ends: 96 [2018-01-24 16:40:56,790 INFO L226 Difference]: Without dead ends: 93 [2018-01-24 16:40:56,791 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 241 SyntacticMatches, 28 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1963 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=776, Invalid=3383, Unknown=1, NotChecked=0, Total=4160 [2018-01-24 16:40:56,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-01-24 16:40:56,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 92. [2018-01-24 16:40:56,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-01-24 16:40:56,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 92 transitions. [2018-01-24 16:40:56,799 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 92 transitions. Word has length 76 [2018-01-24 16:40:56,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 16:40:56,800 INFO L432 AbstractCegarLoop]: Abstraction has 92 states and 92 transitions. [2018-01-24 16:40:56,800 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-01-24 16:40:56,800 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 92 transitions. [2018-01-24 16:40:56,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-01-24 16:40:56,801 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 16:40:56,801 INFO L322 BasicCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 16:40:56,801 INFO L371 AbstractCegarLoop]: === Iteration 15 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-24 16:40:56,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1281257825, now seen corresponding path program 9 times [2018-01-24 16:40:56,802 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 16:40:56,802 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:56,802 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-24 16:40:56,803 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 16:40:56,803 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 16:40:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 16:40:56,827 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 16:40:57,196 WARN L146 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 20 DAG size of output 15 [2018-01-24 16:40:57,755 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:57,755 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 16:40:57,755 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-24 16:40:57,755 INFO L183 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-01-24 16:40:57,755 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-01-24 16:40:57,755 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 16:40:57,755 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-24 16:40:57,760 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-01-24 16:40:57,760 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-01-24 16:40:57,770 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-24 16:40:57,773 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-24 16:40:57,776 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-24 16:40:57,780 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-24 16:40:57,784 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-24 16:40:57,790 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-24 16:40:57,797 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-24 16:40:57,805 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-24 16:40:57,814 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-24 16:40:57,820 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-24 16:40:57,824 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-24 16:40:57,827 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 16:40:57,829 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-24 16:40:57,829 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:57,834 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 16:40:57,834 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-24 16:40:58,032 INFO L477 Elim1Store]: 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 19 treesize of output 15 [2018-01-24 16:40:58,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-01-24 16:40:58,053 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-24 16:40:58,055 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:58,061 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-01-24 16:40:58,061 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:34 [2018-01-24 16:40:58,184 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:58,184 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 16:40:58,297 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 21 [2018-01-24 16:40:58,298 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 16 treesize of output 9 [2018-01-24 16:40:58,298 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:58,302 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 12 [2018-01-24 16:40:58,302 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-24 16:40:58,307 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:58,313 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-24 16:40:58,313 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:34, output treesize:48 [2018-01-24 16:40:58,720 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 16:40:58,740 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 16:40:58,740 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 19 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-01-24 16:40:58,743 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-01-24 16:40:58,743 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-01-24 16:40:58,756 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-24 16:40:58,765 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-24 16:40:58,783 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-24 16:40:58,816 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-24 16:40:58,861 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-24 16:40:58,945 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-24 16:40:59,115 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-24 16:40:59,251 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-24 16:41:02,073 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-24 16:41:02,354 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command Received shutdown request... [2018-01-24 16:41:06,181 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-24 16:41:06,217 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 16:41:06,218 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-01-24 16:41:06,218 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-24 16:41:06,221 WARN L187 ceAbstractionStarter]: Timeout [2018-01-24 16:41:06,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.01 04:41:06 BoogieIcfgContainer [2018-01-24 16:41:06,221 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-24 16:41:06,222 INFO L168 Benchmark]: Toolchain (without parser) took 62850.34 ms. Allocated memory was 302.5 MB in the beginning and 767.6 MB in the end (delta: 465.0 MB). Free memory was 260.4 MB in the beginning and 596.3 MB in the end (delta: -335.9 MB). Peak memory consumption was 129.1 MB. Max. memory is 5.3 GB. [2018-01-24 16:41:06,223 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 302.5 MB. Free memory is still 266.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 16:41:06,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 198.81 ms. Allocated memory is still 302.5 MB. Free memory was 259.4 MB in the beginning and 249.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-24 16:41:06,223 INFO L168 Benchmark]: Boogie Preprocessor took 31.69 ms. Allocated memory is still 302.5 MB. Free memory was 249.4 MB in the beginning and 248.4 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-01-24 16:41:06,223 INFO L168 Benchmark]: RCFGBuilder took 242.90 ms. Allocated memory is still 302.5 MB. Free memory was 248.4 MB in the beginning and 232.0 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 5.3 GB. [2018-01-24 16:41:06,223 INFO L168 Benchmark]: TraceAbstraction took 62368.73 ms. Allocated memory was 302.5 MB in the beginning and 767.6 MB in the end (delta: 465.0 MB). Free memory was 232.0 MB in the beginning and 596.3 MB in the end (delta: -364.3 MB). Peak memory consumption was 100.7 MB. Max. memory is 5.3 GB. [2018-01-24 16:41:06,224 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 302.5 MB. Free memory is still 266.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 198.81 ms. Allocated memory is still 302.5 MB. Free memory was 259.4 MB in the beginning and 249.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 31.69 ms. Allocated memory is still 302.5 MB. Free memory was 249.4 MB in the beginning and 248.4 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 242.90 ms. Allocated memory is still 302.5 MB. Free memory was 248.4 MB in the beginning and 232.0 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 62368.73 ms. Allocated memory was 302.5 MB in the beginning and 767.6 MB in the end (delta: 465.0 MB). Free memory was 232.0 MB in the beginning and 596.3 MB in the end (delta: -364.3 MB). Peak memory consumption was 100.7 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 18 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 189 LocStat_NO_SUPPORTING_DISEQUALITIES : 38 LocStat_NO_DISJUNCTIONS : -36 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 23 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 42 TransStat_NO_SUPPORTING_DISEQUALITIES : 5 TransStat_NO_DISJUNCTIONS : 25 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.936465 RENAME_VARIABLES(MILLISECONDS) : 0.795881 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.842010 PROJECTAWAY(MILLISECONDS) : 1.058523 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.000843 DISJOIN(MILLISECONDS) : 0.822708 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.863152 ADD_EQUALITY(MILLISECONDS) : 0.038506 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.014554 #CONJOIN_DISJUNCTIVE : 49 #RENAME_VARIABLES : 77 #UNFREEZE : 0 #CONJOIN : 84 #PROJECTAWAY : 64 #ADD_WEAK_EQUALITY : 5 #DISJOIN : 7 #RENAME_VARIABLES_DISJUNCTIVE : 73 #ADD_EQUALITY : 41 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 4 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 548). Cancelled while BasicCegarLoop was analyzing trace of length 85 with TraceHistMax 10, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 1 quantified variables from 1 xjuncts. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 547). Cancelled while BasicCegarLoop was analyzing trace of length 85 with TraceHistMax 10, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 1 quantified variables from 1 xjuncts. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 547). Cancelled while BasicCegarLoop was analyzing trace of length 85 with TraceHistMax 10, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 1 quantified variables from 1 xjuncts. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 548). Cancelled while BasicCegarLoop was analyzing trace of length 85 with TraceHistMax 10, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 1 quantified variables from 1 xjuncts. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 548). Cancelled while BasicCegarLoop was analyzing trace of length 85 with TraceHistMax 10, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 1 quantified variables from 1 xjuncts. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 548). Cancelled while BasicCegarLoop was analyzing trace of length 85 with TraceHistMax 10, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 1 quantified variables from 1 xjuncts. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 547). Cancelled while BasicCegarLoop was analyzing trace of length 85 with TraceHistMax 10, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 1 quantified variables from 1 xjuncts. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 548). Cancelled while BasicCegarLoop was analyzing trace of length 85 with TraceHistMax 10, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 1 quantified variables from 1 xjuncts. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 548). Cancelled while BasicCegarLoop was analyzing trace of length 85 with TraceHistMax 10, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 1 quantified variables from 1 xjuncts. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 547). Cancelled while BasicCegarLoop was analyzing trace of length 85 with TraceHistMax 10, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 1 quantified variables from 1 xjuncts. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 85 with TraceHistMax 10, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 1 quantified variables from 1 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 38 locations, 11 error locations. TIMEOUT Result, 62.3s OverallTime, 15 OverallIterations, 10 TraceHistogramMax, 5.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 249 SDtfs, 1438 SDslu, 1331 SDs, 0 SdLazy, 3740 SolverSat, 210 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1764 GetRequests, 1188 SyntacticMatches, 132 SemanticMatches, 444 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9521 ImplicationChecksByTransitivity, 25.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 16 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 44.1s InterpolantComputationTime, 1240 NumberOfCodeBlocks, 1236 NumberOfCodeBlocksAsserted, 62 NumberOfCheckSat, 1962 ConstructedInterpolants, 384 QuantifiedInterpolants, 4531838 SizeOfPredicates, 322 NumberOfNonLiveVariables, 3324 ConjunctsInSsa, 660 ConjunctsInUnsatCore, 46 InterpolantComputations, 6 PerfectInterpolantSequences, 2/3722 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/add_last-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-24_16-41-06-234.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/add_last-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-VPDomainBenchmark-0-2018-01-24_16-41-06-234.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/add_last-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_16-41-06-234.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/add_last-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-24_16-41-06-234.csv Completed graceful shutdown